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Monica [59]
3 years ago
13

Two stores are having sales on the same shirts. The sale at Store 1 is "2 shirts for $22" and the sale at Store 2 is "Each $12.9

9 shirt is 10% off". A: Explain how much will you save by buying at Store 1. B: If Store 3 has shirts originally prices at $20.98 on sale for 55% off, does it have a better deal then the other stores?
Mathematics
1 answer:
Sholpan [36]3 years ago
8 0
The first store, or store1, has the best deal. each shirt is basically $11 (when you buy 2), where store 2 sells each shirt (i already put the discount) at $11.70. basically twelve dollars.
You would save $1.40 if you buy from store 1. 

B: no it doesn't, store 3 sells its shirts at $11.53 each.


i hope this helps. <span>(○^▽^○)</span>
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aliya0001 [1]
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√196s² = <u>14s</u>

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3 years ago
Which situation represents a proportional relationship?
Natalka [10]

Answer:

B) Jack biked 5 miles in 25 minutes and 8 miles in 40 minutes.

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form y=kx

The ratio between the two variables is a constant called constant of proportionality k

k=y/x

<u><em>Verify each case</em></u>

A) Julie sold 4 necklaces for $12 and 9 necklaces for $25.

\frac{4}{12}=\frac{9}{25}

Multiply in cross

4(25)=9(12)\\100\neq108

Is not true

therefore

The situation not represent a proportional relationship

B) Jack biked 5 miles in 25 minutes and 8 miles in 40 minutes.

\frac{5}{25}=\frac{8}{40}

Multiply in cross

5(40)=8(25)\\200=200

Is true

therefore

The situation represent a proportional relationship

C) Larry packed 24 apples in 6 boxes and 46 apples in 9 boxes

\frac{24}{6}=\frac{46}{9}

Multiply in cross

24(9)=46(6)\\216\neq276

Is not true

therefore

The situation not represent a proportional relationship

D) Allie put 14 pieces of candy in 2 bags and 30 pieces of candy in 4 bags

\frac{14}{2}=\frac{30}{4}

Multiply in cross

14(4)=30(2)\\56\neq60

Is not true

therefore

The situation not represent a proportional relationship

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Step-by-step explanation:

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8.54

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Guess I gave you the correct answer
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2 years ago
A = 1/2(a+x)h solve for x
ankoles [38]

For this case we have the following equation:

A = \frac {1} {2} (a + x) * h

We must clear the variable "x":

We multiply by 2 on both sides of the equation:

2A = (a + x) * h

We divide by h on both sides of the equation:

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