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2 years ago

Solve the following equation for a. -4G+1/8Qa=7 Answer: a=?

Mathematics

1 answer:

kolbaska11 [484]2 years ago

6 0

By making a the subject of formula in the given equation, the value "a" is equal to 1/(56Q + 32GQ).

<h3>What is an equation?</h3>

An equation can be defined as a mathematical expression which shows that two (2) or more thing are equal.

In this exercise, you're required to solve for a from the given mathematical expression (equation) by making it the subject of formula. This ultimately implies that, all the other variables would be defined in terms of a and they would all be on the same side of the "equal to" symbol.

Making a the subject of formula, we have:

-4G + 1/8Qa = 7

1/8Qa = 7 + 4G

Multiplying both sides by 8Q, we have:

8Q × 1/8Qa = (7 + 4G) × 8Q

1/a = 56Q + 32GQ

a = 1/(56Q + 32GQ).

Read more on subject of formula here: brainly.com/question/21140562

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Karen and Maria each open a savings account at the same time. They only make deposits into their accounts and do not make withdr

lina2011 [118]

The amount in Maria's account is $79.

The amount in Karen's account is $73.

Step-by-step explanation:

Karen deposits $28 into her account and she deposits $5 each week into her account.

From this given information, the equation can be framed as y = 28+5x ----(1)

where,

y is the total amount deposited.
x is the number of weeks the particular amount is deposited.

The equation for Maria's account is given as y = 7+8x ------(2)

To find the no.of weeks at which they both have same amount of money :

Equating the equations (1) and (2),

⇒ 28 + 5x = 7 + 8x

⇒ 28-7 = 8x-5x

⇒ 21 = 3x

⇒ x = 21/3

⇒ x = 7 weeks

After 7 weeks, the money in the account of Karen & Maria will be same.

To find the amount of money in each girl's account after 2 weeks :

It is given that, you have to calculate amount of money that each girl has in her account 2 weeks after they have the same amount of money in their accounts.

We already know that, it takes 7 weeks for them to have same amount.

So, 7 weeks + 2 weeks = 9 weeks

You have to calculate the amount in each girl's account after 9 weeks.

Karen's account :

Substitute x=9 in eq(1),

⇒ y = 28+5(9)

⇒ y = 28+45

⇒ y = 73

The amount in Karen's account is $73.

Maria's account :

Substitute x=9 in eq(1),

⇒ y = 7+8(9)

⇒ y = 7+72

⇒ y = 79

The amount in Maria's account is $79.

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3 years ago

Is time a function of distance?

lukranit [14]

Answer: Distance traveled divided by rate provides the rate of change in position in time. For example, if Cole traveled 225 km at 45 km per hour and traveled 45/225 = 5 hours, then the rate of change in position was 30/5 = 20 minutes.

Step-by-step explanation:

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3 years ago

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eimsori [14]

B

Explanation
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3 years ago

Find the missing side length of the right triangle.

Tomtit [17]

This is just some pythagorean theorem, or a^2 + b^2 = c^2. We have a and b, which is 9 and 12, and we need to find c. To find c, we need to first square those, giving u 81 and 144. Now, we need to add them, giving us 225, meaning c^2 = 225. However, we need to find c on its own, so we have to find the square root of 225. That would be 15.

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2 years ago

X = -60i + 80 What is the real part of Z? What is the imaginary part of Z?

Deffense [45]

Answer:

the real part is 80

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Step-by-step explanation:

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4 years ago