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valentina_108 [34]
2 years ago
15

Help on this one. You will get 10 points

Mathematics
1 answer:
ad-work [718]2 years ago
8 0

Answer:

A.true

Step-by-step explanation:

The domain of a quadratic function in standard form is always all real numbers, meaning you can substitute any real number for x. The range of a function is the set of all real values of y that you can get by plugging real numbers into x.

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How many sides does this regular polygon have? <br>Pls help ​
galina1969 [7]

Answer:

9 sides

Step-by-step explanation:

7y + 2y = 180

9y = 180

y =20

so, 2y, the exterior angle is 2 x 20 = 40

Divide 360 by 40 = 9

3 0
2 years ago
12 m/min equals how many cm/s?
victus00 [196]
Equals meter minute  20 cm/s 
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a restaurant sells a coffee refill mug for $6.75. Each refill costs $1.25. Last month keith spent $31.75 on a mug and refills wr
evablogger [386]
y= 1.25x+6.75
Make 31.75 y because that is the total cost he paid.
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7 0
3 years ago
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Graph ​y=−4/7x+1​. do this math
Fofino [41]

Answer:

Use demos or a graphing calc.

Step-by-step explanation:

3 0
3 years ago
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Which applies the power of a product rule to simplify (5 t) cubed?
Elena L [17]

Answer:

(5 t ) cubed = 5 cubed . t cubed = 125 t cubed applies the power of a product rule to simplify (5 t) cubed ⇒ 3rd answer

Step-by-step explanation:

Let us revise some rules of exponents

a^{m} × a^{n} = a^{m+n}  

a^{m} ×÷ a^{n} = a^{m-n}

(a^{m})^{n} = a^{m.n}

(a.b)^{m} = a^{m} .  b^{m}

To simplify (5t)^{3}

∵ 5t means 5 × t

∵ Both of them are cubed

- Use the 4th rule above

∴ (5t)^{3} = (5)^{3}.(t)^{3}

∵ (5)³ = 5 × 5 × 5 = 125

∴ (5t)^{3} = (5)^{3}.(t)^{3} = 125 t³

(5 t ) cubed = 5 cubed . t cubed = 125 t cubed applies the power of a product rule to simplify (5 t) cubed

3 0
3 years ago
Read 2 more answers
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