help help help plssssssssssss

Answer:

x=180

Step-by-step explanation:

Let us have x represent the entire mask collection

We know that 117 is 65% of his collection. We want to know the total number of masks he has

The equation we set up is:

117 is 65% of x: this translates to

117=0.65x, then we solve for x by dividing 0.65 by both sides

180=x

The total number of masks Josiah has is 180.

Answer:

One side - 15 feet

Second side - 4 feet

Third side - 13 feet

Step-by-step explanation:

Let's call the sides A B and C, respectively.

We know that:

A = B + 11

C = B + 9

and that

A + B + C = 32

Please note that we have 3 equations and 3 unknowns. We can solve this, we'll use substitution.

A + B + C = (B + 11) + B + (B + 9) = 32

3B + 20 = 32

3B = 12

B = 4

The sides have lengths of 4+11 = 15, 4 and 4+9 = 13. This is in fact a proper triangle (because the shorter sides add up to more than the longer side).

The line's slope is \(\frac{1}{2}\) and the distance increases by 1 mile every 2 hours.

What is a good example of a line's slope?

The proportion of the increase in the y-value to the increase in the x-value may also be used to determine slope. For instance: We can get the slope of a line given two locations, P = (0, -1) & Q = (4,1) on the line.

A. Since the line's slope is 2, it follows that the y-variable, which is most likely distance, grows by 2 units for every increment in the x-variable, which is most likely time. The accurate statement is thus: speed is increased by Two miles per hour.

B. Since the line's slope is 2, it follows that the y-variable will drop by 2 units for every unit rise in the x-variable, which is most likely time. The accurate description is thus: speed drops by Two miles per hour.

C. If the line's slope is 1/2, the y-variable will rise by 1/2 unit for every increment in the x-variable, which is probably time. The precise description is that the distance grows by a mile every two hours.

D. If indeed the line's slope is 1/2, the y-variable will drop by 1/2 unit for every unit rise in the x-variable, which is probably time. The precise description is: distance shrinks by a mile every two hours.

To know more about slope of a line visit:

brainly.com/question/16180119

#SPJ9

Answer:

\(r \geqslant - 16\)

Step-by-step explanation:

\( \frac{ - 10 + r}{2} \geqslant - 13\)

multiply both sides by 2:

\( - 10 + r \geqslant - 26\)

add 10 on both sides:

\(r \geqslant - 16\)

Answer:

\(r \ge -16\)

Step-by-step explanation:

To solve any equation/inequality:

1. get the variable to show up exactly once

2. isolate it

\(\frac{-10+r}{2} \ge -13\)

Multiply both sides by 2 and simplify (note that we're multiplying by a positive, not a negative, so the direction of the inequality stays the same, whereas multiplying or dividing by a negative would have changed the direction of the inequality)

\(\frac{-10+r}{2} *2 \ge -13 *2\)

\(-10+r \ge -26\)

Add 10 to both sides, and simplify

\((-10+r)+10 \ge (-26)+10\)

\(r \ge -16\)

The solution of the equations 6x = 52 − 2y and 5x + 7y = 70 by elimination method will be (7, 5).

In other words, the collection of all feasible values for the parameters that satisfy the specified mathematical equation is the convenient storage of the bunch of equations.

The equations are given below.

6x = 52 - 2y

6x + 2y = 52

3x + y = 26                   ...1

5x + 7y = 70

(5/7)x + y = 10              ...2

Subtraction equation 2 from equation 1, then we have

3x - (5/7)x = 26 - 10

(16/7)x = 16

x = 7

Then the value of 'y' is given as,

3(7) + y = 26

21 + y = 26

y = 5

The solution of the equations 6x = 52 − 2y and 5x + 7y = 70 by elimination method will be (7, 5).

More about the solution of the equation link is given below.

https://brainly.com/question/22613204

#SPJ1

Answer:

3) 156°

4) 24°

5) 24°

6) 24°

Step-by-step explanation:

m∡2: 180 - 156 = 24°  

m∡3:  156° (is vertical to angle labeled as 156°)

m∡4:  24°  (is vertical to angle 2)

m∡5:  156°

m∡6:  24° (alternate-interior to angle 4)

m∡7:  156° (corresponding angle with ∡3)

m∡8:  24° (vertical with angle 6)

Answer:

Step-by-step explanation:

m∠2 = m∠4 = m∠8 = 180° - 156° = 24°

m∠8 = 156°

Answer:

parabola

Step-by-step explanation:

Answer:

a) The observed proportion of wallets that were returned

  p = 0.45625

b) 95% of confidence intervals for Population proportion

 0.40168  , 0.51082)

c) The lower bound of the 95% confidence interval = 0.40168

d) The upper bound of the 95% confidence interval = 0.51082

Step-by-step explanation:

Step(i):-

a)

Given data the  researchers left a total of 320 wallets around Edinburgh, as though the wallets were lost. Each contained contact information including an address. Of the wallets, 146 were returned by the people who found them

Given sample size 'n' = 320

  Given data          'x ' = 146

Sample proportion

              \(p = \frac{x}{n}\)

             \(p = \frac{x}{n} = \frac{146}{320} = 0.45625\)

Step(ii):-

b) 95% of confidence intervals for Population proportion

Level of significance = 95% or 0.05%

\(Z_{\frac{\alpha }{2} } = Z_{\frac{0.05}{2} } = Z_{0.025} = 1.96\)

95% of confidence intervals for Population proportion are determined by

\((p - Z_{0.025} \frac{\sqrt{p(1-p)} }{\sqrt{n} } , p + Z_{0.025} \frac{\sqrt{p(1-p)} }{\sqrt{n} })\)

\((0.45625 - 1.96\frac{\sqrt{0.45625(1-0.45625)} }{\sqrt{320} } , 0.45625 + 1.96\frac{\sqrt{0.45625(1-0.45625)} }{\sqrt{320} })\)

(0.45625 - 0.05457 , 0.45625 + 0.05457)

(   0.40168  , 0.51082)

c) The lower bound of the 95% confidence interval = 0.40168

d) The upper bound of the 95% confidence interval = 0.51082

Sally's average annual percentage gain is approximately 5.26%.

To calculate Sally's average annual percentage gain, we can use the formula:

Average Annual Percentage Gain = (Profit / Initial Investment) * (1 / Time) * 100

Profit = $2500

Initial Investment = $19000

Time = 2.5 years

Substituting the values into the formula:

Average Annual Percentage Gain = (2500 / 19000) * (1 / 2.5) * 100

= (0.1316) * (0.4) * 100

= 5.26

Therefore, Sally's average annual percentage gain is approximately 5.26%.

for such more question on average

https://brainly.com/question/130657

#SPJ8

Answer:

12x-7=7x-3, 12x-7x=_3+7 and the answer is 5x= 4 therefore x is 4/5

Answer:

Triangle

Step-by-step explanation:

It has three side unlike the others can't have three sides

We make use of \(y = \log_x(z)\) to solve for y, when you know x and z

The expression is given as:

x^y = z

The above expression is an exponential expression.

Start by taking the logarithm of both sides

y log(x) = log(z)

Divide both sides by log(x)

\(y = \log_x(z)\)

Hence, we make use of \(y = \log_x(z)\) to solve for y, when you know x and z

Read more about exponential functions at:

https://brainly.com/question/11464095

#SPJ1

Answer:

Yes, P(E1)=P(E2)

Step-by-step explanation:

We are given that

Number of dice=3

Total outcomes of 1 die=6

Therefore,

Total number of outcomes =\(6^3=216\)

E1={{(1,4,6),(2,3,6),(1,5,5),(2,4,5),(3,3,5),(3,4,4)}

E2={(1,5,6),(2,4,6),(3,3,6),(2,5,5),(4,4,4),(3,4,5)}

We have to show that E1 and E2 have the same probability P(E1) = P(E2).

Probability, \(P(E)=\frac{Favorable\;outcomes}{Total\;outcomes}\)

Using the formula

\(P(E_1)=\frac{6}{216}\)

\(P(E_1)=0.0278\)

\(P(E_2)=\frac{6}{216}\)

\(P(E_2)=0.0278\)

Hence, P(E1)=P(E2)

Answer:

Step-by-step explanation:

1 white 1 green 1 blue + 2 reds = 5 balls

5 seen as a percentage

5%

Answer:

love is...

Step-by-step explanation:

Love is complex. A mix of emotions, behaviors, and beliefs associated with strong feelings of affection, protectiveness, warmth, and respect for another person. For example, a person might say he or she loves his or her dog, loves freedom, or loves God.

Definition of love

1a(1) : strong affection for another arising out of kinship or personal ties maternal love for a child.

(2) : attraction based on sexual desire : affection and tenderness felt by lovers After all these years, they are still very much in love.

Answer:

ion no cuz

Step-by-step explanation:

9514 1404 393

Answer:

  A. $0.99

Step-by-step explanation:

The unit rate will be the amount associated with 1 unit: $0.99.

The graph represents a functional relationship between two variables X and Y. We get y=3 for the value x=2

Domain is defined as the set of values of independent variables.

In the question, all x coordinates are domain.

In a function, for each domain we get a possible output from the dependent variables which is termed as range. In this graph, the y coordinates are range because y value is dependent on x value.

The graph shows five points are plotted on XY coordinate system that represents a relationship between independent variable X and dependent variable Y.

hence, this graph is plotted from a function.

from the graph we get the domain as {-4, -2, 0, 2, 4}

the ranges are = {-3, -2, -1, 1, 3}

we get, y=3 for the value of x= 2  

to know more about function visit:

https://brainly.com/question/28278690

#SPJ1

Answer:

6th graders

Step-by-step explanation:

The median is actually just the line inside the box of the box-and-whisker plot.

Notice that for 6th graders, the median is at about 2.4, while for 4th graders, the median is at about 1.5.

Clearly, the 6th graders have the higher median.

Answer:

Step-by-step explanation:

If 11 flights were sampled with an 85% on-time arrival rate, the number of flights from the sample that arrived on time would be estimated to be 9.35, which would round to 9 flights.

This can be solved by:

(0.85x11)= 9.35

Since there can't be .35 of a flight, we would round to the nearest whole number, which would just be 9.

The final answer= 9 flights

Answer:

C is correct

Step-by-step explanation:

The x and y axes are linear, the plot is linear. The constant rate of change is assured with those conditions.

\(m=6n^2+1\hspace{5em}L=\sqrt{m-7} \\\\\\ \stackrel{\textit{substituting on the 2nd equation}}{L=\sqrt{(6n^2+1)-7}} \implies L=\sqrt{6n^2 -6} \\\\[-0.35em] ~\dotfill\\\\ \textit{when n = 2, what is "L"?}\qquad L=\sqrt{6(2)^2 -6} \\\\\\ L=\sqrt{6(4)-6}\implies \boxed{L=\sqrt{18}} \\\\[-0.35em] ~\dotfill\\\\ \textit{when L = 6, what is "n"?}\qquad 6=\sqrt{6n^2 -6}\implies 6^2=6n^2 -6 \\\\\\ 36=6n^2-6\implies 42=6n^2\implies \cfrac{42}{6}=n^2\implies 7=n^2\implies \boxed{\sqrt{7}=n}\)

The set of values that corresponds to the circle with a radius of three units and the center lying on the Y axis is:

A = 1, B = 1, C = 0, D = 3, E = 0.

The general equation of a circle is given by:

x^2 + y^2 + 2gx + 2fy + c = 0

In this case, since the circle has a radius of three units and the center lies on the Y axis, we can deduce the following information:

The center of the circle lies on the Y axis, which means the x-coordinate of the center is zero.

The radius of the circle is three units, which means the distance from the center to any point on the circle is three units.

Using the information above, we can substitute the values into the general equation to solve for the corresponding values:

Substituting the x-coordinate of the center (zero) into the equation, we have:

0^2 + y^2 + 2g(0) + 2fy + c = 0

y^2 + 2fy + c = 0

Since the center lies on the Y axis, the x-coordinate is zero, so the term with x (2gx) becomes zero.

Substituting the radius of the circle (three) into the equation, we have:

(3)^2 = 9

Therefore, the equation becomes:

y^2 + 2fy + c = 9

Comparing this equation with the general form of the circle equation, we can deduce the values of A, B, C, D, and E as follows:

A = 1 (coefficient of x^2)

B = 1 (coefficient of y^2)

C = 0 (constant term)

D = 3 (coefficient of x)

E = 0 (coefficient of y)

Hence, the set of values that corresponds to the circle is A = 1, B = 1, C = 0, D = 3, and E = 0.

For more such questions on set of values, click on:

https://brainly.com/question/26352252

#SPJ8

Answer:

X= 1/5

Step-by-step explanation:

Answer:

  1.8 times the cost of labor.

Step-by-step explanation:

At the beginning of the year, the rate for overhead was estimated to be ...

  (overhead $)/(direct labor $) = $396/$220 = 1.8

The overhead rate is 1.8 times the labor cost.

Answer:

1 1/6 or 7/6

Step-by-step explanation:

Divide both 14 and 12 by 2

a) The percentage of the new income allocated to housing is approximately 19%. Option C

b) Following the same approach as before, we can determine that the percentage of the new income allocated to insurance is also 23%. Option B

To determine the percentage of the new income allocated to housing, we need to compare the amount allocated to housing with the total new income.

a) Based on the given information, the family's monthly budget is $5,400, and housing expenses account for 19% of the budget.

If we assume that their previous monthly income was X dollars, and their raise increased their monthly income by 10%, the new monthly income would be 1.10X dollars.

Since the family decides to keep their monthly expenses the same, their housing expenses remain at 19% of the new income, which is 0.19 * 1.10X = 0.209X dollars.

To find the percentage of the new income allocated to housing, we divide the housing expenses (0.209X dollars) by the total new income (1.10X dollars) and multiply by 100:

(0.209X / 1.10X) * 100 = 0.19 * 100 ≈ 19%

Rounding to the nearest percent, the percentage of the new income allocated to housing is approximately 19%.

Therefore, the correct answer is C) 19%.

b) For the second question, we need to find the percentage of the new income allocated to insurance. Based on the given information, insurance expenses account for 23% of the monthly budget.

Following the same approach as before, we can determine that the percentage of the new income allocated to insurance is also 23%.

Therefore, the correct answer is B) 23%.

For more such questions on percentage visit:

https://brainly.com/question/24877689

#SPJ8

Note the complete question is:

The family decides to keep their monthly expenses the same and to put all of the extra income from the raise into savings. What percentage of their new income is allocated to housing (rounded to the nearest percent)?

17%

18%

19%

21%

-----

Monthly Budget is $5,400

Insurance - 23%

Transportation - 11%

Childcare - 18%

Food - 14%

Housing - 19%

Savings - 1%

Taxes - 5%

Other Needs - 9%

Can you also do the other question?

The family decides to keep their monthly expenses the same and to put all of the extra income from the raise into savings. What percentage of their new income is allocated to insurance (rounded to the nearest percent)?

26%

23%

22%

21%