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3 years ago

PLEASE HELP QUICK!!!!!!

Mathematics

2 answers:

Irina-Kira [14]3 years ago

5 0

Answer:

5/40

Step-by-step explanation:

1(5)=5

8(5)=40

5/40

alisha [4.7K]3 years ago

5 0

Answer:

it should be 5/40 correct me if im wrong.

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A panther cub weighs 890 grams. At birth the cub weighed 450 grams. What is the percent increase in the panther cub's weight rou

Ksju [112]

Answer: 98%

Step-by-step explanation:

First subtract the birth weight from the new weight (890-450=440). To find what percent of 450 that is, divide the difference by 450 (440/450=97.78). Round to the nearest whole number (97.78==>98).

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3 years ago

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AVprozaik [17]

Answer:

27/50 is the answer.

Step-by-step explanation:

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If Tim spends $22.00 on 10 gallons of gas, how much did gas cost per gallon?

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4 years ago

Read 2 more answers

Help math beats me up in dark alleys

andriy [413]

Replace x with 3:

f(x) = 20(0.5)^x

f(3) = 20(0.5)^3

First do 0.5^3 = 0.125

Now multiply that by 20:

20 x 0.125 = 2.5

f(3) = 2.5

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3 years ago

Does the function f(x) = 2x^2− 6x + 9 have a minimum or a maximum? Identify its value.

exis [7]

Answer:

minimum value of function is $\frac{45}{8}$ .

Step-by-step explanation:

Given function represents a parabola.

Now, here coefficient of $x^{2}$ is positive , so the parabola will be facing upwards and thus the function will be having a minimum.

Now, as we know that minimum value of a parabolic function occurs at

x = $\frac{-b}{4a}$ .

Where , b represents the coefficient of x and a represents the coefficient of $x^{2}$ .

here, a = 2 , b = -6

Thus $\frac{-b}{4a}$ = $\frac{6}{8}$

= $\frac{3}{4}$

So, at x = $\frac{3}{4}$ minimum value will occur and which equals

y = 2× $\frac{9}{16}$ - $\frac{18}{4}$ + 9 = $\frac{45}{8}$ .

Thus , minimum value of function is $\frac{45}{8}$ .

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3 years ago