The perimeter of ΔABC is 13 cm. It was dilated to create ΔA'B'C'. What is the perimeter of ΔA'B'C'? 13 cm 26 cm 39 cm 52 cm

Mathematics

2 answers:

AysviL [449]3 years ago

6 0

Answer:

Step-by-step explanation:

hram777 [196]3 years ago

3 0

Answer:

The answer is 52

Step-by-step explanation:

We need figure out the dilated by doing OB’/OB. 5+15= OB’. OB’ = 20. We already know that OB is 5. We used the substitution property. 20/5 = 4. Now, we got 4 as dilation. 13 cm x 4 = 52 cm. Therefore, our answer is 52

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Mr. Green paid $7.50 for a set of dry erase markers. He used a $2.00 coupon for his purchase. Write AND solve an equation that r

dalvyx [7]

Answer:

$d - 2 = 7.50$

$9.50

Step-by-step explanation:

Given that:

Money paid by Mr. Green for a set of dry erase markers = $7.50

Coupon used for the purchase = $2.00

To find:

The equation and solution to represent the difference the original price $d$ of the markers and the coupon.

Solution:

Given that, the original price of the dry erase markers = $ $d$

Coupon amount = $2.00

Amount paid = $7.50

The equation can be made by subtracting the coupon amount from the original price and comparing it with the amount paid by Mr. Green for the purchase.

Original price = $( $d$ - 2)

$d - 2 = 7.50$

Solving the above equation by adding 2 on both the sides:

$d -2+2= 7.50+2\\\Rightarrow d = \$9.50$