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2 years ago

Which of the following is the last step in creating a budget?

Mathematics

1 answer:

pentagon [3]2 years ago

8 0

If you list the answer choices, I might be able to help you better.

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A submarine is diving to a total depth of 45 feet. It descends 15% of the total depth in 1 minute. How deep will the submarine b

telo118 [61]

after 4 mins the sub reaches 27 feet

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3 years ago

-3Ixl + 2x - 1, if x = -5 I don't get these types of problems :/

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2 years ago

Train a is traveling at 30 mph faster than train b. If train a travels 350 miles in the same amount of time that train b travels

GalinKa [24]

Answer:

20 mph

Step-by-step explanation:

Let speed of Train a = Va mph

Let speed of Train b = Vb mph

Va = Vb + 30

Let time taken for Train a = Ta

Let time taken for Train b = Tb

time taken = distance travelled/speed

Ta = 350/Va = 350/(Vb+30)

Tb = 140/Vb

But they both travel in the same amount of time.

So, Ta = Tb

$\frac{350}{v_{b} + 30}=\frac{140}{v_{b}}$

Cross multiply

$350v_{b} = 140(v_{b} + 30)\\\\350v_{b} = 140v_{b} + 4200\\\\350v_{b} -140v_{b} = 4200\\\\210v_{b} = 4200$

Divide both sides by 210

$\frac{210v_{b} }{210} \frac{4200}{210} \\\\v_{b} = 20 mph$

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3 years ago

HELP HELP HELP PLS

Oksi-84 [34.3K]

Answer:

21 is common denominator.

15 and 7 are the corresponding numberators.

Step-by-step explanation:

You multiply the 7 and 6, then apply to the fractions, and slowly reduce until you find a good match.

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2 years ago

Read 2 more answers

What is rhe lateral edge on a rectangular prizm

Jlenok [28]

The surface area of a right prism can be calculated using the following formula: SA 5 2B 1 hP, where B is the area of the base, h is the height of the prism, and P is the perimeter of the base. The lateral area of a figure is the area of the non-base faces only.

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2 years ago