3 years ago

What is the distance from the sun to mercury in scientific notation

Mathematics

1 answer:

defon3 years ago

7 0

57910000 kilometer
-
(57.91 *10^6) k.m
if you move the dot to left you have to increase the power of ten

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The Martin family's truck gets an average of 21 miles per gallon. Predict how many miles they can drive using 5 gallons of gas.

RSB [31]

If one gallon is 21 miles, simply multiply 21 by five, for each of the five gallons and it is approximately 105 miles using 5 gallons of gas.

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restaurant uses 3 pounds of pasta for a party of 14 people. If they are cooking pasta for a party of 56 people, what should they

Softa [21]

Answer:

12 pounds.

Step-by-step explanation:

ratio 3:14

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Find the value of y of the two proportional triangles

PSYCHO15rus [73]

I'm not sure if I understood this problem, but I'd say y= 2

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3 years ago

What is f(-3) for the function f(a)=-2a2-5a+4?

posledela

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Step-by-step explanation:

2a² - 5a + 4, for f(-3)

2(-3)² -5(-3)+4

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3 years ago

Q19. Four positive whole numbers add up to 36

MAXImum [283]

Answer:

Step-by-step explanation:

let the numbers be 7x,y,y,y.

7x+3y=36

3y=36-7x

$y=\frac{36-7x}{3} \\let~x=3\\y=\frac{36-7 \times 3}{3} =\frac{15}{3} =5\\$

numbers are 7×3,5,5,5

or 21,5,5,5

21×5×5×5=2625

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3 years ago