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Nataly [62]
3 years ago
13

Piper claims that 3(2a + 2) is equivalent to 5a + 6. She checks her claim by substituting -3 for a. Is Piper's claim correct? Wh

y or Why not?
Please Help SOS!!!
Mathematics
1 answer:
Natali5045456 [20]3 years ago
4 0

Answer:

Piper's claim that 3(2a+2) is equal to 5a +6 is incorrect.

Step-by-step explanation:

The first step is to use the distributive property to distribute the 3 to BOTH the 2a and 2. The resulting expression is 6a+6 NOT 5a+6. Piper's mistake was most probably that she added 3 and 2 to get 5 instead of multiplying them together to get 6.

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Which of the following is best used to measure the weight of a 18-wheeler truck
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the answer to this would be tons
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Lim (x^3-8)/(x)<br>x-2 ​
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Here you go!!! Hope this helps

3 0
3 years ago
A radio is being discounted 20% if the sale price of the radio is $51.44 what is the original price of the radio Radio is being
Grace [21]
Original price of the radio is $64.30

Sale price - $51.44
Discount rate - 20%

This means that $51.44 is the discounted price or is equivalent to 80% of the original price, since the 20% equivalent is deducted from the original price.

To get the original price, divide $51.44 by its corresponding percentage, 80%.

$51.44 / 80% = $64.30

To get the discount, multiply the original price by its discount rate

$64.30 x 20% = $12.86

To get the sales price, deduct the discount from the original price.

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6 0
3 years ago
A pet store sold 36 Siamese cats. If the ratio of Siamese cats to house
White raven [17]

To determine the combined amount of cats sold: is equal to 117 cats

  • Let the number of Siamese cats sold be S.
  • Let the number of House cats sold be H.
  • Let the combined amount of cats sold be C.

<u>Given the following data:</u>

  • Number of Siamese cats sold = 36
  • Ratio of S to H = 4:9
  • Total ratio = 4 + 9 = 13

To determine the combined amount of cats sold:

The ratio of Siamese cats sold is given by:

\frac{4}{13} \times C=36\\\\4C=36\times 13\\\\4C =468\\\\C=\frac{468}{4}

C = 117 cats

Read more: brainly.com/question/12230509

8 0
3 years ago
Can you Help me out plz!!
Klio2033 [76]

Answer:

14)

21√2

15)

Leg: 7√3

Hypotenuse: 14

Step-by-step explanation:

The hypotenuse is √2 as long as each leg. That means the leg is 42/√2. Simplified to make 21√2.

The hypotenuse is always twice as long as the shortest leg on a 30-60-90 triangle. The longer leg is √3 as long as the shortest side.

4 0
3 years ago
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