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Luba_88 [7]
4 years ago
10

In the expression 6 - 9t+8, which word(s) describe 9t?

Mathematics
1 answer:
zhenek [66]4 years ago
4 0

In the Expression(6 - 9t+8), 9t represents coefficient and variable.

<u>Explanation:</u>

An algebraic expression usually consists of constants, variables and, at least one arithmetic operators like addition, subtraction and coefficients.Variable can be any alphabetic letter from A to Z and it represents a certain unknown mathematical value.Coefficient can be any number being multiplied by a variable.  

In the given expression, 6-9t+8 , 9 is the coefficient being multiplied by variable ‘t ‘ . So 9t represents coefficient and variable.

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Rewrite the function f(x)=4(x-2)²-8 in the form f(x)=ax²+bx+c.
irinina [24]

Answer:

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4x^2 - 16x + 8

Step-by-step explanation:

4(x-2)^2-8

4(x-2)(x-2)-8

4{x^2-4x+4}-8

4x^2 - 16x +16 - 8

4x^2 - 16x + 8

5 0
3 years ago
Find the surface area of the triangular prism shown below
Varvara68 [4.7K]

Answer:

174 ft^2

Step-by-step explanation:

area = 2 \times 8 \times 3 + 2 \times 7 \times 5 + 7 \times 8 \\  = 48 + 70 + 56 \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \\  = 174 \:   {ft}^{2} \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:

6 0
3 years ago
The gas gauge in a car shows it has 40% of a tank of gas. If the car has about 5 gallons, approximately how many gallons can the
avanturin [10]

Answer:

the tank can hold 12.5 gallons when it is full

Step-by-step explanation:

Let's assume

tank can hold 'x' gallons when it is full

we are given

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So, gas in car is

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and we have

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so, we can set it equal

and then we can solve for x

5=\frac{40}{100}\times x

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Multiply both sides 5

5\times 5=5\times \frac{2}{5}\times x

5\times 5=2x

25=2x

we get

x=12.5

So, the tank can hold 12.5 gallons when it is full

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