3 years ago

Pick true or false for each row

Mathematics

1 answer:

iren2701 [21]3 years ago

5 0

True
False
True
True
False

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Simplify this expression by combining like terms: 3 + 2x - x + 5

Rainbow [258]

Answer:

x + 8

Step-by-step explanation:

3 + 2x - x + 5

x + 8

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A scale model of a car is 9 inches long. the scale is 1:18. How many inches long is the car it represents?

Rom4ik [11]

1 inch of the model - 18 inches of the car
9 inches of the model - x inches of the car

$\frac{1}{18}=\frac{9}{x} \\ 
x=9 \times 18 \\
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The car is 162 inches long.

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.<br> Write 0.4% as a fraction or mixed number in simplest form.

Len [333]

Answer:

4/10 fraction

$\frac{4}{10}$

simplest form 2/5

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Use synthetic division to solve (2x^3 + 4x^2 -35x +15) + (x-3). What is the quotient?

kow [346]

The quotient is: $2x^2+10x-5$

The remainder is: 0

Step-by-step explanation:

Solve using synthetic division:

$(2x^3 + 4x^2 -35x +15) \div (x-3)$

The division is shown in figure attached.

The quotient is: $2x^2+10x-5$

The remainder is: 0

Keywords: Synthetic division

Learn more about Synthetic division at:

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Find the value of x. round your answer to the nearest tenth.

Andreas93 [3]

Answer:

x = 56.7

Step-by-step explanation:

cos theta = adjacent/hypotenuse

cos x = 17/31

x = arccos(17/31)

x = 56.7

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