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Nataliya [291]
3 years ago
13

Kaleb used the distributive property to write two equivalent expressions. Use w = 5 and w = 10 to determine if the two expressio

ns are equivalent.      12(w – 3)     12w – 36 When w = 5, both expressions have a value of 24. When w = 10, both expressions have a value of . Therefore, the expressions are equivalent.
Mathematics
2 answers:
valina [46]3 years ago
5 0

The answer is 84, I took the test.

posledela3 years ago
5 0

Answer: 84

Step-by-step explanation:  You have to substitute the W for 10 on both expressions and solve so for the first expression it would be       12(10-3) and you would solve that to get 84 and the other expression would be           12(10)-36 which would equal also 84 . So that also means the expressions are equivalent .

Hope this helps have a nice day!! 8-) ( can u mark me brainliest pls)    

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Johnny bought an oil painting originally priced at $80 but on sale for for 50% off. After 10% sales tax, what was the total cost
Alecsey [184]

Answer:

$44

Step-by-step explanation:

Original price = $80

Discount on sale = 50%

Discounted price = (1 - 50%) * original price

Discounted price = 0.5 * $80 = $40

Sales tax = 10%

Sales tax amount = 0.1 * $40 = $4

Total cost = discounted price + sales tax amount

Total cost = $40 + $4 = $44

5 0
3 years ago
Find the area and the circumference of the circle. Round your answers to the nearest hundredth.
Alik [6]

Answer:

area = 200.96  \: {units}^{2}  \\ circumfrence = 50.24 \: units

Step-by-step explanation:

The formula to find the area and circumference of a circle is:

area = \pi {r}^{2}  \\ circumfrence = 2\pi \: r

<em>*</em><em>no</em><em>te that pi is 3.14*</em><em> </em>Therefore the area is:

formula = \pi {r}^{2}  \\ 3.14 \times  {8}^{2}  =  \\ 3.14 \times 64 = 200.96

Therefore the circumference is:

formula = \: 2\pi \: r \\ (2)(3.14)(8) =  \\ 3.14 \times 16 = 50.24

3 0
2 years ago
Adam got 97, 70, 89, 99, 100, 78, 79, 89, 77, and 72 on his reading test. What is the mean of Adam's reading test?
ipn [44]

Answer: 85

Add up all the numbers: 97+70+89+99+100+78+79+89+77+72=850

Divide 850 by the amount of numbers:

850/10=85

I hope this helps and good luck! :)

5 0
3 years ago
What does 3x2 + 9x − 30
Harlamova29_29 [7]

Answer:38

Step-by-step explanation:

7 0
3 years ago
50 points! PLEASE HELP WITH THIS! Show how you got the answers!!! WIll mark as brainliest!!! DONT ANSWER IF YOU DONT KNOW IT!
nikitadnepr [17]

Question (6)Answer:

x=10

and 95 degrees

Step-by-step explanation:

2x+15=7x+25

8x-7x=10

and exterior angel = 8 x 10+15 =95

6 0
3 years ago
Read 2 more answers
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