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UNO [17]
3 years ago
12

Which of the following numbers are written in scientific notation ? a) 0.641×10^3 b) 2×10^1 c) 9.999 ×10^4d) 4.38 ×5^10

Mathematics
1 answer:
crimeas [40]3 years ago
6 0
<span>9.999 ×10^4 is written in scientific notation</span>
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an athlete eats 55g of protein per day while training. how much protein will she eat during 17 days or training?
dybincka [34]

Answer:

935 grams

Step-by-step explanation:

1 day = 55 grams

17 days = 55 x 17 = 935 grams

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2 years ago
Which equation represents a hyperbola shown in the graph?
Paladinen [302]

Answer:

It's C

Step-by-step explanation:

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PLZ HELP IM RUNNING OUT OF TIME!!! THIS IS A SIMPLE EXPLANATION PROBLEM PLEASE HELP!!!
shutvik [7]

Answer:

C.  The x-terms are the same, and the constant terms are the same.

Step-by-step explanation:

Solve for x:

7 (x - 4) = 8 (x + 8)

Hint: | Write the linear polynomial on the left-hand side in standard form.

Expand out terms of the left hand side:

7 x - 28 = 8 (x + 8)

Hint: | Write the linear polynomial on the left-hand side in standard form.

Expand out terms of the right hand side:

7 x - 28 = 8 x + 64

Hint: | Move terms with x to the left-hand side.

Subtract 8 x from both sides:

(7 x - 8 x) - 28 = (8 x - 8 x) + 64

Hint: | Combine like terms in 7 x - 8 x.

7 x - 8 x = -x:

-x - 28 = (8 x - 8 x) + 64

Hint: | Look for the difference of two identical terms.

8 x - 8 x = 0:

-x - 28 = 64

Hint: | Isolate terms with x to the left-hand side.

Add 28 to both sides:

(28 - 28) - x = 28 + 64

Hint: | Look for the difference of two identical terms.

28 - 28 = 0:

-x = 64 + 28

Hint: | Evaluate 64 + 28.

64 + 28 = 92:

-x = 92

Hint: | Multiply both sides by a constant to simplify the equation.

Multiply both sides of -x = 92 by -1:

(-x)/(-1) = -92

Hint: | Any nonzero number divided by itself is one.

(-1)/(-1) = 1:

Answer: x = -92

4 0
3 years ago
Roll the number cube 20 times to represent 20 purchases. What is the experimental probability of receiving a 50% coupon? Write t
puteri [66]

Answer:

0.10

Step-by-step explanation:

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3 years ago
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The ratio of water to punch mix is 8 parts to 1 part. If you use 6 gallons of water predict the amount of punch mix to use
Valentin [98]

Answer:

The amount of punch mix to use is 3/4 gallons

Step-by-step explanation:

Let

x ----> parts of water

y ---> parts of punch mix

we know that

\frac{x}{y} =\frac{8}{1}

x=8y ----> equation A

That means ---> The parts of water is 8 times the parts of punch mix

If we have 6 gal of water

then

x=6\ gal

substitute in the equation A

6=8y

solve for y

y=\frac{6}{8}\ gal

Simplify

y=\frac{3}{4}\ gal

therefore

The amount of punch mix to use is 3/4 gallons

6 0
3 years ago
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