3 years ago

In the equation, 4x+14=-2x-22+12 , what are some of the steps that should be taken to solve for x? Select all that apply.

Mathematics

1 answer:

AlexFokin [52]3 years ago

5 0

'A' and 'C' are very helpful. 'B' and 'D' won't do you any good.

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The value of a bank account, y, increases by 5% each year, x. If the initial value of the account is $800, which equation repres

Mashcka [7]

Answer:

Equation to represent the situation = $800=Y(1.05)^X$

Step-by-step explanation:

Given:

Initial investment = Y

Growth rate (r) = 5% = 5 / 100 = 0.05

Number of year (n) = X year

Amount after X year = $800

Find:

Equation to represent the situation:

Computation:

$Amount = Initial\ investment (1+r)^n\\\\800 = Y (1+0.05)^X\\\\800 = Y (1.05)^X\\\\$

Equation to represent the situation = $800=Y(1.05)^X$

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2 years ago

A geologist has two rocks on a scale that weighs 2 1/2 pounds together rock A was 1/7 of the total weight. How much did rock A w

jarptica [38.1K]

5/14 is the answer. I'll do my best bud
Answer↑

Steps↓
Convert 2 1/2 to an improper fraction:
2 + 2+ 1 over 2

Once you add the numbers, that will be 5/2.

Now, multiply that with 1/7:
5/2 • 1/7

Your answer will be 5/14

Therefore, Rock A weighs 5/14 pounds

7 0

2 years ago

Sarah is building a model of the school. the scale of her model to the actual school is 1 to 10. Her model is 380 in tall. How t

Leni [432]

So for this I would set up a ratio. 1/10=x/380 then you cross multiply so 1x380=10x. Then solve the equation so 380/10=x and you get 38in. Hope my explanation helped!

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3 years ago

Which expression is equivalent to (9x10z2)(x5y3)

MAVERICK [17]

Answer:

9x^15y^3z^2 is your answer

Step-by-step explanation:

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2 years ago

Which algebraic expression is a polynomial with a degree of 5?

barxatty [35]

I hope this’s correct!