When multiplying 32 and 8, _____.
when we multiply 8 x 2, we will add drop down the 6
when we multiply 8 by 3, we will add 1
both of these are correct
neither of these are correct
Both of these are correct. When multiplying 32 and 8, we should follow these steps:
Multiply 8 by 2, which is the last digit of 32. This gives us 16.Drop down the 6 and carry the 1.Multiply 8 by 3, which is the second to last digit of 32. This gives us 24.Add the 1 that we carried from the previous step to 24, which gives us 25.Drop down the 5 and carry the 2.Since there are no more digits in 32 to multiply, we can drop down the 2 that we carried.The final answer is 256.So, the correct answer is 256.
Here is the multiplication shown step-by-step:
32
8
16 --> drop down 6 and carry the 1
1
32
8
6
24- --> drop down the 4 and add 1; carry the 2
56
2
32
8
6
5 -
2 - - --> drop down the 2 since no more digits available to multiply
256 --> the answer
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Simplify.
Remove all perfect squares from inside the square roots. Assume
�
xx and
�
zz are positive.
72
�
3
�
3
=
72x
3
z
3
=square root of, 72, x, cubed, z, cubed, end square root, equals
By simplifying the given square root , we get Simplified Root : 6 xz • \(\sqrt{(2xz) }\)
how can we simplify roots ?Factor 72 into its prime factors
72 = 23 • 32
To simplify a square root, we extract factors which are squares, i.e., factors that are raised to an even exponent.
Factors which will be extracted are :
36 = 22 • 32
Factors which will remain inside the root are :
2 = 2
To complete this part of the simplification we take the square root of the factors which are to be extracted. We do this by dividing their exponents by 2 :
6 = 2 • 3
At the end of this step the partly simplified square root looks like this:
6 • \(\sqrt{ (2x3z3) }\)
Simplify the Variable part of the square root
Rules for simplifing variables which may be raised to a power:
(1) variables with no exponent stay inside the radical
(2) variables raised to power 1 or (-1) stay inside the radical
(3) variables raised to an even exponent: Half the exponent taken out, nothing remains inside the radical. examples:
\(\sqrt{(x8)}\)=x4
\(\sqrt{ (x^6)}\)=x-3
(4) variables raised to an odd exponent which is >2 or <(-2) , examples:
\(\sqrt{ (x5)}\)=x2•\(\sqrt{x}\)
\(\sqrt{ (x^7)}\)=x-3•\(\sqrt{x}\)
Applying these rules to our case we find out that
\(\sqrt{ (x3z3)}\) = xz • \(\sqrt{(xz) }\)
Combine both simplifications
\(\sqrt{ (72x3z3)}\) = 6 xz •\(\sqrt{(2xz) }\)
Simplified Root :
6 xz • \(\sqrt{(2xz) }\)
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After performing a statistical regression on a set of data, the value of the correlation
coefficient r was -0.2041. What does that imply about the data?
A:There is a strong negative non-linear correlation between the variables.
B:There is almost no correlation between the variables (the data is scattered).
C:There is a strong negative linear correlation between the variables.
D:There is a strong positive non-linear correlation between the variables.
E:There is a strong positive linear correlation between the variables.
Answer: B
Step-by-step explanation:
if r is close to 1 (or -1) it means the relationship is strong, -0.2041 is really close to 0 so the data is most likely scattered and the association is weak
Answer:
Strong
Step-by-step explanation:
edge 2023
what is nine and forty-two hundredths
Answer:
9.42
Step-by-step explanation:
Breaking the phrase down:
'Nine' would be the number 9 in the ones place.
'And' represents the decimal in a number. ('.')
'Forty-Two Hundredths" is 0.42.
So, "nine and forty-two hundredths" would be 9.42.
Hope this helps.
Please help! I will give brainliest!
(6^9·6^5)/ 6^15
Answer:
6^14/6^15 = 6^-1
What’s 50.272 to 1 decimal place
TRUNCATED to one decimal place, it's 50.2
ROUNDED to one decimal place, it's 50.3
The round-off of 50.272 to 1 decimal place using rules of rounding
numbers are 50.3.
Rounding off numbers means making a number simpler by adjusting it to its nearest place according to certain rules.
Rounding a number to one decimal place means keeping only the first digit after the decimal point and neglecting the rest. In this case, the digit in the second decimal place is 7, which is greater than or equal to 5. As per the rounding rules, if the digit is greater than 5, the preceding digit is increased by 1.
So, 50.272 becomes 50.3 when rounded to one decimal place.
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Please don’t lie to me and tell the right answer and if you do get it correct I will give you a shout out thanks
Answer:
Part A = 7
Part B = 1
I hope this is right, sorry if it isn't
Answer:
See below
Step-by-step explanation:
5 cups cheese / ( 2/3 cup cheese/plate ) =
5 * 3/2 = 15/2 = 7 1/2 or 7 full plates
2/3 cup cheese / plate * 9 plates =
2/3 * 9 = 6 cups cheese total
she has 5 cups to start.....she will need 1 cup more
2.1.4. The surm of two numbers is 4 and teir difference is 6. Determine the numbers
Answer:
5 and -1
Step-by-step explanation:
Let the two numbers be x and y
x+y =4
x-y = 6
Add the two equations together
x+y =4
x-y = 6
--------------
2x = 10
Divide by 2
2x/2 =10/2
x=5
x+y = 4
5+y = 4
y = 4-5
y = -1
The numbers are 5 and -1
Answer:
5 and -1.
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightEquality Properties
Multiplication Property of Equality Division Property of Equality Addition Property of Equality Subtraction Property of EqualityAlgebra I
Terms/CoefficientsSolving systems of equations by substitution/eliminationStep-by-step explanation:
Step 1: Define
Identify
Let x be one number and y be the other.
x + y = 4
x - y = 6
Step 2: Solve for x
Elimination
Combine 2 equations: 2x = 10[Division Property of Equality] Divide 2 on both sides: x = 5Step 3: Solve for y
Substitute in x [1st Equation]: 5 + y = 4[Subtraction Property of Equality] Subtract 5 on both sides: y = -1(4-3i) +(-2+6i) answer to this please???
Solve: 4u−7/−7= u−4/4
Answer:
\(2 \frac{10}{23} \)
Step-by-step explanation:
\( \frac{4u - 7}{ - 7} = \frac{u - 4}{4} \)
Use the property of the proportion:
4 × (4u-7) = -7 × (u-4)
16u -28 = -7u + 28
16u + 7u = 28 + 28
23u = 56 / : 23
u =
\( 2\frac{10}{23} \)
yron is cooking meat. The double number line shows that he needs 121212 hours to cook 555 kilograms of meat. A double number line with 6 equally spaced tick marks. The line labeled Meat, kilograms, reads from left to right: 0, four unlabeled tick marks, 5. The line labeled Time, hours, reads from left to right: 0, four unlabeled tick marks, 12. A double number line with 6 equally spaced tick marks. The line labeled Meat, kilograms, reads from left to right: 0, four unlabeled tick marks, 5. The line labeled Time, hours, reads from left to right: 0, four unlabeled tick marks, 12. Based on the ratio shown in the double number line, how long does Myron need to cook 333 kilograms of meat?
Myron would need 7.2 hours to cook 3 kilograms of meat.
time = 12 hours
cook = 5 kilograms of meat.
i.e. For 5 kilograms of meat, it takes 12 hours to cook.
Thus, for 3 kilograms of meat,
Multiple 12 by 3 and divided by 5
= 12/5 * 3
= 12 * 3/5
= 36 / 5
= 7.2 hrs.
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Answer: 12 hours
Step-by-step explanation: 5 kilo grams of meet
On Mars, 3 bags of MartianMallows cost 24 space rocks. If each bag contains 10 MartianMallows, how many space rocks does four MartianMallows cost?
Answer:
E
Step-by-step explanation:
just tryna get some points-
can someone help me solve 32 + 1 x 2
Example: $2.21 + 8% tax = $2.3868, rounds to __________.
The equation in percentage given by, $2.21 + 8% tax = $2.3868 rounds to $2.4 to the nearest tenth.
Given an equation,
$2.21 + 8% tax = $2.3868
This is an equation which relates the cost including the percentage of tax.
When 2.21 is added to the tax amount, we get $2.3868.
2.21 + (0.08 × 2.21) = 2.3868
Here it is not mentioned up to what decimal we have to round the figure.
If 2.3868 is rounded to the nearest whole number, it becomes 2.
If 2.3868 is rounded to the tenth, it becomes 2.4.
If 2.3868 is rounded to the hundredth, it becomes 2.39.
Hence the rounded amount to the nearest tenth is $2.4.
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In the very center of the Irenic Sea lie the beautiful Nisos Isles. In 1998 the number of people on these islands is only 200, but the population triples every 25 years. Queen Irene has decreed that there must be at least 1.5 square miles for every person living in the Isles. The total area of the Nisos Isles is 24,900 square miles. Estimate the population of Nisos in the year 2050.
The population of Nisos Isles is 19200 in 2050.
Let the number of people on the islands in 1998 be x, which triples every 25 years.
Therefore the population of the island in 2023 will be 3x, in 2048 will be 9x, and in 2050 will be 12x.
The total area of the Nisos Isles is 24900 square miles
.Queen Irene has decreed that there must be at least 1.5 square miles for every person living in the Isles.
Therefore, 1.5x = 24900 which implies that the current population in 1998 is:x = 16600We have to find the population of Nisos in the year 2050.Therefore, the population of Nisos in 2050 will be 12x = 12(16600) = 19200.
Summary: The population of Nisos Isles is 19200 in 2050.
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Evaluate the discriminant for the equation. Then use it to predict the number of distinct solutions, and whether they are rational, irrational, or nonreal complex.
t 2 - 8t + 16 = 0
HELP ASAP WILL MARK BRAINLIEST!!! Add or subtract. Write your answer in scientific notation. 4.2 x 10^6 − 1.2 x 10^5 − 2.5 x 10^5 3.3 x 10^9 + 2.6 x 10^9 + 7.7 x 10^8 8.0 x 10^4 − 3.4 x 10^4 − 1.2 x 10^3
Answer:
see below
Step-by-step explanation:
4.2 x 10^6 − 1.2 x 10^5 − 2.5 x 10^5
All exponent have to have the same number
42 x 10^5 − 1.2 x 10^5 − 2.5 x 10^5
Subtract the number
42 - 1.2 - 2.5 = 38.3
Add back the exponent
38.3 * 10 ^5
This is not in scientific notation
Move the decimal one place to the left and add one to the exponent
3.83 * 10^6
3.3 x 10^9 + 2.6 x 10^9 + 7.7 x 10^8
All exponent have to have the same number
3.3 x 10^9 + 2.6 x 10^9 + .77 x 10^9
Add the numbers
3.3+2.6+.77 =6.67
Add back the exponent
6.67*10^9
This is in scientific notation
8.0 x 10^4 − 3.4 x 10^4 − 1.2 x 10^3
All exponent have to have the same number
8.0 x 10^4 − 3.4 x 10^4 − .12 x 10^4
Subtract
8.0 - 3.4 - .12 = 4.48
Add back the exponent
4.48* 10^4
This is in scientific notation
If two events are independent, then their joint probability is computed with _____.
A. the special rule of addition
B. the special rule of multiplication
C. the general rule of multiplication
D. the bayes theorem
B. the special rule of multiplication.
The joint probability of two independent events is computed using the special rule of multiplication.
What is the method used to calculate the joint probability of two independent events?When two events are independent, their joint probability is calculated using the special rule of multiplication.
This rule states that the probability of both events occurring together is equal to the product of their individual probabilities. In other words, if A and B are two independent events, then the probability of A and B occurring together is equal to the probability of A multiplied by the probability of B.
For example, if the probability of event A is 0.4 and the probability of event B is 0.5, then the probability of both events occurring together is 0.4 x 0.5 = 0.2.
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what is the coefficient of the x-term in the expression 4x+5xy-2y
Answer:
5
Step-by-step explanation:
Find the coordinates of the image of the point (0,2) when it is reflected across the line x=3
Answer:
(6,2)
Step-by-step explanation:
because math
PLEASE HELP ME QUICK!!!!!!
Three friends go grocery shopping together, and each buys the same kind of
oranges. LaMar buys 2 pounds (lb) and pays $7.00. Enrico buys 5 pounds and
pays $17.50. Anna buys 3 pounds and pays $10.50.
Identify the graph and unit price that represent the orange costs. IT WILL ONLY LET ME PUT ONE PICTURE :( but C. And D. Are 3.50/1b and 3.50/1b. One line is past the right corner and the other line did not pass it yet.. PLEASE HELP QUICK!
Answer: answer is C
Step-by-step explanation:
had the test
Which pair of Earth's sphere's interact the most when ocean waves break onto a beach?
atmosphere and blosphere
geosphere and atmosphere
hydrosphere and biosphere
geosphere and hydrosphere
Answer:
Step-by-step explanation:
The answer is geosphere and hydrosphere
Fallacies of relevance
I need to describe a time a work I used fallacies of relevance
please help..
Fallacies of relevance are types of logical fallacies that occur when an argument is presented without a relevant connection to the subject matter.
Rather than addressing the topic, these fallacies are aimed at the listener's feelings, emotions, or biases.There are many different types of fallacies of relevance, but some of the most common are ad hominem, straw man, appeal to authority, and red herring. Ad hominem, for example, is a type of fallacy that attacks the speaker rather than addressing the argument they are presenting.. It can undermine the quality of your argument and make you seem less credible.
However, if you want to describe a time when you used these fallacies, you might think back to a situation where you were arguing with someone and felt like you were losing the argument. In this case, you might have resorted to a fallacy of relevance to try to regain control of the conversation. In conclusion, it is important to avoid using fallacies of relevance in your arguments. Instead, focus on addressing the topic at hand and presenting logical, evidence-based arguments.
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I'll mark you the brainliest!
Brigid is picking strawberries at the Pick-Your-Own Farm. Her goal is to pick 5 bushels of strawberries. She has already picked 1
1
2
bushels, and she picks at a rate of
5
8
bushel per hour. The scenario is represented as
5
8
h + 1
1
2
= 5, where h is the number of hours she picks. How many more hours will it take Brigid to fill 5 bushels of strawberries?
2 and StartFraction 3 Over 16 EndFraction hours
2 and StartFraction 3 Over 16 EndFraction hours
5 and three-fifths hours
10 and two-fifths hours
Answer:
We can start by isolating the variable "h".
5 8 h + 1 1 2 = 5
Subtracting 11/2 from both sides:
5 8 h = 5 - 1 1 2
Simplifying:
5 8 h = 8 1 2
Dividing both sides by 5/8:
h = 8 1 2 ÷ 5 8
Converting the mixed number to an improper fraction:
h = (8 x 8 + 1) ÷ 5 8
h = 65/8
Now, we can convert this fraction to a mixed number:
h = 8 1/8
Brigid has already picked for 8 1/8 hours, so the amount of time needed to pick the remaining strawberries is:
5 - (1 1/2 + 5/8 x 8) = 5 - (3 5/8) = 1 3/8
Therefore, Brigid still needs to pick for 1 3/8 hours to fill 5 bushels of strawberries. The answer is 1 and 3/8 hours or 2 and 3/16 hours (if simplified).
Step-by-step explanation:
On Tuesday, the temperature in Fairfield, Montana fell from 51℉ at noon to −℉ at midnight.What was the average temperature change per hour?
What’s the solution to 2x-2y=6 and 4x+4y=28
Answer
x=5 y=2
Step-by-step explanation:
slope of 4/5, a width of 30…what is the height..?
\(\qquad\qquad\huge\underline{{\sf Answer}}\)
Here we go ~
Slope of the graph can be expressed as :
\(\qquad \sf \dashrightarrow \:slope = \tan( \theta) = \dfrac{4}{5}\)
\(\qquad \sf \dashrightarrow \: \dfrac{x}{30} = \dfrac{4}{5} \)
\(\qquad \sf \dashrightarrow \: x = \dfrac{4}{5} \times 30\)
\(\qquad \sf \dashrightarrow \: x = {4}{} \times 6\)
\(\qquad \sf \dashrightarrow \: x = 24 \: units\)
So, the value of x is 24 units
5-star rating for right answer
Answer:
B(3, 8 )
Step-by-step explanation:
Given endpoints (x₁, y₁ ) and (x₂, y₂ ) then the midpoint is
[ \(\frac{1}{2}\) (x₁ + x₂ ), \(\frac{1}{2}\) (y₁ + y₂ ) ]
let the coordinates of B = (x, y )
Then apply the formula and equate coordinates to midpoint coordinates, that is
x = \(\frac{1}{2}\) (x + 1) = 2 ( multiply both sides by 2 )
x + 1 = 4 ( subtract 1 from both sides )
x = 3
-----------
y = \(\frac{1}{2}\) (y + 2 ) = 5 ( multiply both sides by 2 )
y + 2 = 10 ( subtract 2 from both sides )
y = 8
----------
Thus B = (3, 8 )
Lia has a red ribbon that is 2 1/12 inches long. She has a blue ribbon that is 4 times as many inches long. How many inches is the blue ribbon?
Can you add the work so I can fully see how you got the answer
Answer:
10 inches
Step-by-step explanation:
2.5 times 4 is 10