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3 years ago

14

Evaluate the expression for the given quantity -9.8t^2 + 20t + 8 for t = -2, 0, 3.5

1 answer:

scoundrel [369]3 years ago

5 0

Answer:

3.5

Step-by-step explanation:

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If 2x - 3 = 3x - 7, what is the value of x?

icang [17]

Answer:

x=4

Step-by-step explanation:

2x-3=3x-7

Subtract 2x from both sides of the equation

-3=x-7

Add 7 to both sides of the equation to isolate x

4=x

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3 years ago

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Sunny_sXe [5.5K]

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3 years ago

–4.5t49.5t = 40<br> Please help

dlinn [17]

Answer:

t= -0.18

Step-by-step explanation:

Isolate t to get the unknown number:

(-4.5t)(49.5t) = 40

Multiply (-4.5t)(49.5t):

(-4.5t)(49.5t) = -222.75t

Now, write full equation:

-222.75t = 40

Isolate t by dividing -222.75 on both sides:

$\frac{-222.75}{-222.75}t=\frac{40}{-222.75}$

Cancel out left hand side:

$t=\frac{40}{-222.75}$

Simplify your answer:

$t=-0.17957351$

Approximate to 2 decimals:

$t=-0.18$

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3 years ago

-6.2 - 12.6x = 5.8 - 7.8x

Sav [38]

Answer:

x = -2.5

Step-by-step explanation:

Step 1: Write equation

-6.2 - 12.6x = 5.8 - 7.8x

Step 2: Solve for <em>x</em>

<u>Add 12.6x on both sides:</u> -6.2 = 5.8 + 4.8x

<u>Subtract 5.8 on both sides:</u> -12 = 4.8x

<u>Divide both sides by 4.8:</u> x = -2.5

Step 3: Check

<em>Plug in x to verify if it's a solution.</em>

-6.2 - 12.6(-2.5) = 5.8 - 7.8(-2.5)

-6.2 + 31.5 = 5.8 + 19.5

25.3 = 25.3

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3 years ago

Which describes the range of the parent absolute value function?

aleksklad [387]

Answer:

yly ls an integer that is the answer

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3 years ago