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Nookie1986 [14]
2 years ago
14

Alex goes to the corner store to buy some candy bars and soft drinks. Soft drinks cost $2.00 each and each candy bar costs $1.00

. Alex can
spend no more than $8.00 and he can carry no more than 6 items back.
he can buy.
Let x represent the number of soft drinks Martin can buy and let y represent the number of candy bars he can buy. Write a system of inequalities to represent this situation.

Select all the coordinates that would be a solution.
A) (2, 2)
B) (1, 6)
C) (4, -4)
D) (3, 0)
E) (1, 3)
Mathematics
1 answer:
PIT_PIT [208]2 years ago
7 0
A b or c is the answer to your question
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LOTS OF POINTS ANSWER ASA P , painter is painting a rectangular wall that measures 25.1 ft by 18.5 ft. Each gallon can of paint
svlad2 [7]

Answer:

1.548 gallons

Step-by-step explanation:

Length of the rectangular wall = 25.1 ft.

Width of the rectangular wall = 18.5 ft.

Area of the rectangular wall = length * width = 25.1 * 18.5

= 464.35 square feet

300 square feet wall can be painted using 1 gallon of paint.

=> 1 square feet wall can be painted using \[\frac{1}{300}\] gallon of paint.

=> 464.35 square feet wall can be painted using \[\frac{1}{300} * 464.35\] gallon of paint.

= 1.548 gallons of paint

3 0
3 years ago
Read 2 more answers
You want to obtain a sample to estimate a population proportion. At this point in time, you have no reasonable preliminary estim
pogonyaev

Answer:

n=\frac{0.5(1-0.5)}{(\frac{0.025}{1.28})^2}=655.36  

And rounded up we have that n=656

Step-by-step explanation:

In order to find the critical value we need to take in count that we are finding the interval for a proportion, so on this case we need to use the z distribution. Since our interval is at 80% of confidence, our significance level would be given by \alpha=1-0.80=0.20 and \alpha/2 =0.10. And the critical value would be given by:

z_{\alpha/2}=\pm 1.28

Solution to the problem

The margin of error for the proportion interval is given by this formula:  

ME=z_{\alpha/2}\sqrt{\frac{\hat p (1-\hat p)}{n}}    (a)  

Since we don't have prior info for the proportion of interest we can use \hat p=0.5 as estimator. And on this case we have that ME =\pm 0.025 and we are interested in order to find the value of n, if we solve n from equation (a) we got:  

n=\frac{\hat p (1-\hat p)}{(\frac{ME}{z})^2}   (b)  

And replacing into equation (b) the values from part a we got:

n=\frac{0.5(1-0.5)}{(\frac{0.025}{1.28})^2}=655.36  

And rounded up we have that n=656

5 0
3 years ago
What is the surface area of this right rectangular prism?
vagabundo [1.1K]

Answer:

A≈32\frac{3}{10}ft²

--

To find the surface area of a right rectangular prism you must use this formula A=2(wl+hl+hw)

Then plug in your variebles

A=2( 1.33*1.5+5+1.5+5+1.33)

This comes out to be A≈32 \frac{3}{10}

4 0
2 years ago
PLEASE HELP VERY IMPORTANT
Mariulka [41]

Answer:

(6, 2)

Step-by-step explanation:

K is at (-2, -3)

<u>Using the transformation equation given for this problem:</u>

(x + 8, y + 5)

(-2 + 8, -3 + 5)

(6, 2)

The answer is the third option.

7 0
2 years ago
The value of s for a relationship between number of seconds, x, and number of jumping jacks of an athlete, y, is calculated as 3
melamori03 [73]

Answer:

its B

Step-by-step explanation:

your welcome

5 0
1 year ago
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