Answer:
c sqrt( ( x2-x1) ^2 + ( (y2-y1) ^2)
Step-by-step explanation:
The distance formula is
d = sqrt( ( x2-x1) ^2 + ( (y2-y1) ^2)
It is the difference between the coordinates. It is based on the Pythagorean theorem
please help
find all points on the curve…
Please help! I could really use this!
Answer:
try dividing 10 ÷ 9.75 / 10 ÷ 7.25??
Brainliest for who can answer first!! (only the first one)
Solve the equation: √x = 3 - (1 / 4)x
Answer:
Let u = √x which gives u2= x and rewrite the given equation in terms of u
u = 3 - u 2 / 4
Multiply all terms by 4, simplify and write the above quadratic in standard form and solve it for u.
u 2 + 4 u - 12 = 0
Two solutions: u = - 6 and u = 2
Use the substitution used above u = √x to solve for x.
u = - 6 = √x has no solution
u = 2 = √x has solution x = 4
Below is shown the graph of the right side of the given equation when written with its right side equal to zero. The x intercept of the graph is the graphical solution to the equation as shown below.
Step-by-step explanation:
Answer: x = 4
Step-by-step explanation:
Given:
√x = 3 - (1 / 4)x
Rewrite:
\(\displaystyle \sqrt{x} = 3 - \frac{1}{4}x\)
Square both sides:
\(\displaystyle (\sqrt{x} )^{2} = (3 - \frac{1}{4} x)^{2}\)
\(\displaystyle x= \frac{1}{16}x^{2} -\frac{3}{2} +9\)
Set the equation equal to 0:
\(\displaystyle \frac{-1}{16}x^{2} +\frac{5}{2} -9=0\)
Use the quadratic formula:
\(\displaystyle x=\frac{-b\sqrt{b^{2} -4ac} }{2a}\)
\(\displaystyle x=\frac{-(\frac{5}{2})\sqrt{(\frac{5}{2})^{2} -4(\frac{-1}{16} )(-9)} }{2(\frac{-1}{16} )}\)
x = 4, 36
Plugging back into equation shows us only one answer works,
x = 4
PLEASE HELP. URGENT 8TH GRADE MATH QUESTION. GIVING AS MANY POINTS AS I CAN TO THE CORRECT ANSWER. THANK YOU YA'LL ARE LIFE SAVERS
I need help please
Answer:
Fist option
Step-by-step explanation:
Joanna draws a scale model of a rectangular table for a carpenter to build.
On her drawing, 3/4 of an inch represents 1 foot. In the drawing, the table is 7 1/2 inches long. How long, in feet, will the table be when the carpenter builds it?
A. 4 2/3 ft
B. 2 5/8 ft
C. 5 5/8 ft
D. 10 ft
Answer:
D
Step-by-step explanation:
just multiply the three over four inches with seven and a half to get the accurate measurements
(I GOT AN 80% )
1.(D)
Ricardo has r minutes left on his cell-phone card. He wants to call his friend and still have 8 minutes left over to make calls later. Which expression describes the length of time he can talk to his friend?
D) r – 8
2.(D)
Lorraine rode her bike one-sixth the distance Jeremy rode his bike. If b represents the distance Jeremy rode, which expression represents the distance Lorraine rode her bike?
D) b
---
6
3.(A)
Raoul rode an elevator up the floors. He entered on the 5'thand exited on the 34'th
sloor. Which equation shows an equality between two different ways of expressing the Raoul exited ?
A) 34 = 5 + e
4.(B)
Hank went to an apple orchard and paid an entrance fee of $5 and bought a pounds of apples at $2 per pound. Hank paid a total of $19.
Which equation shows an equality between two different ways of expressing how much Hank paid in all?
B) 5 + 2a = 19
5.(A)
Chen’s house is 53 years old. This is 5 more than twice the age of Sunny’s house, h.
Which equation shows an equality between two different ways of expressing the age of Chen’s house?
A) 53 = 2h + 5
6.(A)
Mandy and four of her friends want to see a movie. If m represents the cost for one person to see a movie, which expression represents the cost for Mandy and her friends to see a movie?
A) 5m
7.(WRONG ANSWER IS D)
Natalie and Juan collect marbles. The number of marbles that Natalie has is 4 more than 3 times the number of marbles Juan has. If m represents the number of marbles Juan has, which of the following expressions represents the number of marbles Natalie has?
A) 4m + 3
B) 3m + 4
C) 3m – 4
D) DO NOT PICK ITS WRONG
8.(WRONG ANSWER IS D)
Hannah baked twice the number of cookies Sam baked. Sam baked 36 cookies. Let c represent the number of cookies Hannah baked.
Which equation shows an equality between two different ways of expressing how many cookies Sam baked?
A) 36 = c – 2
B) 36 = c + 2
C) 36 = c ÷ 2
D)DO NOT PICK ITS WRONG
9.(B)
There were c members in the chess club before 8 more people joined. Which expression describes the number of members in the chess club now?
B) c + 8
10.(C)
C) P
--- + 1.5
4
(all the correct answers are next to the numbers and it says do not pick which everyone's where wrong which was 7 and 8 i hope this helps you)
Answer:
for 7 the answer is B and for 8 the answer is C.
Step-by-step explanation:
7.
Natalie and Juan collect marbles. The number of marbles that Natalie has is 4 more than 3 times the number of marbles Juan has. If m represents the number of marbles Juan has, which of the following expressions represents the number of marbles Natalie has?
A) 4m + 3
B) 3m + 4
C) 3m – 4
if Natalie has 4 more ( adding 4 more marbles) marbles that are already 3 times Juan has ( multiplying by 3) then the answers for A and C don't make since the amount of marbles is multiplied by 3 and adds 4. Bis the correct option.
8.
Hannah baked twice the number of cookies Sam baked. Sam baked 36 cookies. Let c represent the number of cookies Hannah baked.
Which equation shows an equality between two different ways of expressing how many cookies Sam baked?
A) 36 = c – 2
B) 36 = c + 2
C) 36 = c ÷ 2
if Hannah made twice as many cookie as Sam that means the amount of cookies Hannah made are equivalent to 36 x 2= c. if we were to multiply 36 x2 we'd get how many cookies Hannah made and if we needed to find out how many Sam made we'd have to divide Hannah's cookies by two. giving us 36 = c ÷ 2. making C the correct option.
Find the area of the figure. (Sides meet at right angles.)
A map of your town has a scale of 1 inch to 0.25 miles. There are two roads that are 5 inches apart on the map. What is the actual distance between the two roads?
Answer:
1.25 miles
Step-by-step explanation:
You pick a card at random. 6 7 8 9 What is P(divisor of 70)? Write your answer as a percentage. %
Answer:
Step-by-step explanation:
please help! its kinda confusing me
Which expression resulted from using the Distributive Property to generate an expression equivalent to 4( 1/4a + b – 6)?
a. a + b – 24
b. 4a – 6b
c. 4a + b – 6
d. a + 4b – 24
Answer:
Step-by-step explanation:
kzjzjjs
4 __ a solution of w - 4 = 0
QUICKLY I NEED HELP!!!!!! NO WRONG ANSWERS!!
Answer:
Step-by-step explanation:
identify the errors
(Select all that apply.)
Calculation errors when distributing -1
Calculation errors when distributing h2
Calculation errors when distributing 9h
Calculation errors when combining h2 terms
Calculation errors when combining h terms
Answer:
1 and 3
Step-by-step explanation:
Answer:
i think i and 3 prolly :0
Step-by-step explanation:
If xx and y vary directly and y is 21 when x is 7, find y when x is 5
Answer:
y = 15
Step-by-step explanation:
We need to solve for k
y = x
21 = 7k Divide both sides by 7 to solve for k
3 = k
y = xk
y = 5(3)
y = 15
Answer: y = 15
Step-by-step explanation:
Math question someone pls explain how to answer it I am stuck pt.6
Answer:
The surface area of the prism is 136m²
Hope this helps!
Step-by-step explanation:
To find the surface area, you need to find the area of the three squares and the two triangles.
The two triangles are the same, so \(\frac{1}{2}\) × 6m × 4m = 12m.
One triangle has an area of 12m so the two triangles have an added area of 24m.
The base square has an area of 42m ( 6m × 7m ).
The slanted squares ( the squares on top ) are also the same so 5m × 7m = 35m, 35m + 35m = 70m
Add all the values together : 24m + 42m + 70m = 136m²
In 2010, the population of a city was 236,000. From 2010 to 2015, the population grew by 7.4%. From 2015 to 2020, it fell by 6.6%. How much did the population decrease from 2015 to 2020, to the nearest 100 people?
the population decreased by 0.8%
You subtract 7.4% and 6.6% and you'll get 0.8% which is already rounded to 100.
HELP QUICKKKKK AND FASTTT ALSO TY
Answer: two shirts and five pants
Step-by-step explanation:
Help me pls i dont have long i have 10 mins this is 1 of 2 questions can you pls answer both ill give brainly when 2 answers are up (NO BOTS OR I WILL REPORT)
What is the angle made by the hour hand and the minute of the clock at 8:57
Answer:
85 degrees
Step-by-step explanation:
Find the principal of interest!! random answers will be reported
1. Interest: $640
Rate: 4%
Time: 1 year
2. Interest: $2,016
Rate: 12%
Time: 3 years
Answer:
4: $16,000
5: $4978.66
6: .086278 or 8.62%
Step-by-step explanation:
For the entirety of this problem I am going to assume that the interest is compounding annually
4: to find the interest earned in a period you have the following equation
(principle*(1+i)^n)-Principle
We can plug in the values we know
principle=p
(p*1.04)-p=640
This means that p=640/.04
p=16000
5: This is the same deal as the other one
2016=(p*(1.12)^3)-p
Solve this and get 1.404928p-p=2016
This means that .404928p=2016
Which means that p=4978.66
6: This one is slightly different but we can still use the same formula
720=4000((1+i)^2)-4000
We can add 4000 and then divide by 4000 to get
1.18=(1+i)^2
Take the square root of both sides and subtract 1 to solve for i
i= .086278 or 8.62%
Answer:
1. Interest: $640
Rate: 4%
Time: 1 year
2. Interest: $2,016
Rate: 12%
Time: 3 years
Step-by-step explanation:
Which integer describes the following situation?
The plane descended 30,000 feet from the air.
Group of answer choices
30,000 feet
-30,000 feet
Answer:
The answer is -30,000
Step-by-step explanation:
Descends means to fall or drop
cassie is placing stickers on a page that is 12 inches long and 8 inches wide the sticker are 3 inches long and 2 inches wide
Answer:
To find the greatest number of stickers Cassie can place on a page that is 11 inches long and 8 inches wide without them overlapping, we need to use the same approach as before.
Firstly, we need to calculate the maximum number of stickers that can fit along the length of the page, which is now 11 inches. Since each sticker is 3 inches long, we can fit 3 stickers along the length (11 ÷ 3 = 3 with a remainder of 2).
Next, we can calculate the maximum number of stickers that can fit along the width of the page, which is still 8 inches. Since each sticker is 2 inches wide, we can fit 4 stickers along the width (8 ÷ 2 = 4).
To ensure that the stickers do not overlap, we can only use the full row of 3 stickers from the previous calculation. Therefore, we can place 3 stickers along the length and 4 stickers along the width, giving us a maximum of 12 stickers that Cassie can place on the page without them overlapping.
Step-by-step explanation:
Answer:
16
Step-by-step explanation:
First, find out how much stickers you can put on the long side:
12/3 = 4
Next, find out how much stickers you can put on the wide side:
8/2 = 4
Lastly, calculate them together:
4x4=16
So the answer is 16.
In triangle XYZ, m∠Z = (5m − 16)° and the exterior angle to ∠Z measures (3m + 12)°. Determine the value of m.
m = 3
m = 10.8
m = 18
m = 23
Answer:
Step-by-step explanation:
Each Exterior angle = 180° - Interior angle.
(3m + 12)° = 180° - (5m − 16)°
Then solve algebraically:
\(3m+12=180-5m-16\)
\(3m+12=-5m+164\)
\(8m+12=164\)
\(8m=152\)
m = 19
The value of m will be 23.
What is mean by Triangle?
A triangle is a three sided polygon, which has three vertices and three angles which has the sum 180 degrees.
Given that;
In triangle XYZ,
⇒ m ∠Z = (5m − 16)°
And, the exterior angle to ∠Z measures (3m + 12)°.
Now,
Since, The sum of angle and its exterior angle in a triangle will be 180°
Hence, We can formulate;
(5m − 16)° + (3m + 12)° = 180
Solve for m as;
5m - 16 + 3m + 12 = 180
8m - 4 = 180
8m = 180 + 4
8m = 184
m = 23
Thus, The value of m will be 23.
Learn more about the triangle visit:
https://brainly.com/question/17335144
#SPJ2
What is 1 5/6 x 4 1/2?
A. 7 1/5
B. 3 1/4
C. 8 1/4
D. 4 5/12
Answer:
C) 8 1/4
Step-by-step explanation:
11/6*9/2= 8/14
GIVING BRAINLIEST 5 STARS AND HEART!
Answer in your OWN WORDS!
A gardener discovers that her prize hydrangeas have turned from pink to blue. What can you say about the soil in which the flowers are growing?
Answer:
There must be somehting is the soil or in the water used for the plants
Step-by-step explanation:
English is the predominant language spoken in Chile. Question 1 options: True False
whoever answers first gets the crown
Answer: The answer is false!
Step-by-step explanation: You may think its true but NO, its not true!
Answer: false
Step-by-step explanation:
the correct answer is a dialect of spanish, chilean spanish.
please help i got so much homework and this is only a small portion of it!
And please label #1 or 2
so for the dance committee put #1
and for Jasmine put #2
Answer:
1) the equation would be .80x+65 is less than or equal to 125. x= amount of balloons they can buy. the answer for the equation would be less than or equal to 75.
2) 4.8 miles per hour
Step-by-step explanation:
- What is the missing number for this equation? (-3) + _____ = -7
-What is the missing number for this equation ? ______ + (-23) = -11
Answer:
The first one is -4 and the second one is 12. all you will need to do is change the + to a - then do for the first one which would be -7- -3= -4 so to check it you will need to use the + to check it so it will be -3+-4=-7. and for the second one you will need to do -11- -23=12 so to check it you will need to change the - to + so it will be set up as 12+ -23=-11.
Step-by-step explanation: