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3 years ago

One gallon of gas cost $1.75. If Sheryl filled her car tank with 12 gallons of gas, then how much did she pay?

Mathematics

2 answers:

balandron [24]3 years ago

8 0

Answer:

Sheryl would pay $21

Step-by-step explanation:

$1.75*12=21$

Marianna [84]3 years ago

7 0

Answer:

the Answer is 21$ Hope this helps!

Step-by-step explanation:

1.75$x12=21$

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If f(x) = 5x + 40, what is f(x) when x = -5? 0 -9 O-8 07 0 15

gogolik [260]

Good morning ☕️

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Answer:

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Step-by-step explanation:

f(x) = 5x + 40

then

f(-5) = 5(-5) + 40

= -25 + 40

= 40-25

= 15.

3 0

3 years ago

Natalie added 20 pieces of candy to a bowl. Two days later, half of the candy in the bowl is gone. If there are 14 pieces left i

Salsk061 [2.6K]

Answer:

8 pieces of candy

Step-by-step explanation:

Take the original amount of candy in the bowl to be $x$ .

It says that 20 pieces of candy were added, therefore there are $x+20$ pieces of candy in the bowl.

Half of the candy is gone, therefore $\frac{x+20}{2}$ pieces of candy are left in the bowl.

After half of the candy is gone, there are 14 pieces left, so we can say that $\frac{x+20}{2} =14$

Solve for $x$ :

$x+20 = 28$

$x=8$

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3 years ago

A. -7x+5 B. -7x-35 C. -7x+35 D. x-35

liubo4ka [24]

Answer:

Step-by-step explanation:

p(x) = r(x) * s(x)

= (x + 5) *(-7) {Use distributive property}

= x * -7 + 5 * -7

= - 7x - 35

5 0

3 years ago

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If a+b+c=16 and a^2+b^2+c^2=90 then find the value a^3+b^3+c^3-3abc

grin007 [14]

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3 years ago

Factor: (m+2)^2−(m+2)+mn·(n+2)+2n(n+2)

bazaltina [42]

ANSWER
${(m + 2)}( {n}^{2} + 2n + m + 1)$

EXPLANATION

The given expression is

${(m + 2)}^{2} - (m + 2) + mn(n + 2) + 2n(n + 2)$

We factor to get,

$= {(m + 2)}(m + 2 - 1) +n (n + 2) (m+ 2)$

This implies that,

$= {(m + 2)}(m + 1) +n (n + 2) (m+ 2)$

We factor further to obtain,

$= {(m + 2)}((m + 1) +n (n + 2))$

or

$= {(m + 2)}( {n}^{2} + 2n + m + 1)$

5 0

3 years ago