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3 years ago

A letter that represents a number is called

Mathematics

2 answers:

Karo-lina-s [1.5K]3 years ago

3 0

Answer:

variable. a symbol, usually a letter, that represents one or more numbers. variable expression. hope this helps

Step-by-step explanation:

sukhopar [10]3 years ago

3 0

Answer:

Hello!!

A letter that represents a number is called a <u>variable.</u>

Hope this helps!!

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Lila bought a green poster that measured 36 inches by 24 inches and a red poster that measured 12 inches by 18 inches. If the po

kramer

36 × 24 = 864 square inches. 864 sq in × $0.05 = $43.20. The green poster cost $43.20

12 × 18 = 216 square inches. 216 sq in × $0.05 = $10.80. The red poster cost $10.80

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3 years ago

Find the slope of the line. Write your answer in simplest form.

kotykmax [81]

Answer:

Slope = -3/5

Step-by-step explanation:

slope (m) = y2 - y1 / x2 - x1

m = -2 - 1 / 1 - -4

m = -3 / 1 + 4

m = -3 / 5

You can check the work by counting rise (-3 which means 3 units down) over run (5 which means 5 units to the right)

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3 years ago

Read 2 more answers

3) Sue bought a triangular shaped piece of wood

olga_2 [115]

Answer:

12 inches of fabric

Step-by-step explanation:

Area of a triangle = hight x base

so 6 x 2 = 12

12 inches of fabric is your answer

Hope this helps :)

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3 years ago

( −2 x^3) ^ 3 simplify

densk [106]

Answer:

$-8x^9$

Step-by-step explanation:

We can split up the exponent into multiple products: $(-2x^3)^3=(-2)^3*(x^3)^3$ .

We know that $(-2)^3=(-2)*(-2)*(-2)=-1*-1*-1*2*2*2=-1*8=-8$ .

We also know that $(x^3)^3=x^{3*3}=x^9$ .

So, our answer is $\boxed{-8x^9}$ and we're done!

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3 years ago

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1) Which graph represents the equation y = 1/2x + 3<br> Plz help

kakasveta [241]

Answer:

Step-by-step explanation:

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3 years ago