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3 years ago

7

Write a wordy problem for b = 2a - 6

1 answer:

Anettt [7]3 years ago

6 0

John got 6 apples he gave 2a of them to Pan he is left with b.

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What is (- 2g-6)-(g-10)

EleoNora [17]

Answer:

-3g + 4

Step-by-step explanation:

3 0

2 years ago

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Maureen earned some money doing odd jobs last summer and put it in a savings account that earns 9% interest compounded quarterly

ivolga24 [154]

Answer:

Maureen earned $123.19 doing odd jobs

Step-by-step explanation:

The compound interest formula is given by:

$A(t) = P(1 + \frac{r}{n})^{nt}$

Where A(t) is the amount of money after t years, P is the principal(the initial sum of money), r is the interest rate(as a decimal value), n is the number of times that interest is compounded per unit year and t is the time in years for which the money is invested or borrowed.

In this question:

Compounded quarterly means that $n = 4$

10 years, so $t = 10$

9% interest, so $r = 0.09$

There is $300.00 in the account, which means that $A = 300$

How much did Maureen earn doing odd jobs?

This is P.

$A(t) = P(1 + \frac{r}{n})^{nt}$

$300 = P(1 + \frac{0.09}{4})^{4*10}$

$(1.0225)^{40}P = 300$

$P = \frac{300}{(1.0225)^{40}}$

$P = 123.19$

Maureen earned $123.19 doing odd jobs

5 0

4 years ago

Micah is flying a kite and has used all of the 50 meters of the string. If the kite is 13 meters above the ground, what is the a

Inessa05 [86]

Answer:

37

Step-by-step explanation:

I believe you subtract the meters to the meters above the ground

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3 years ago

Write 0.0000000642 in scientific notation.

GuDViN [60]

Step-by-step explanation:

$6.42 \times 10^8$

By calculator

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3 years ago

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Helen made a scale drawing of an office building. A desk, which is 6 feet long in real life, is 2 inches long in the drawing. Wh

frez [133]

Answer:

1 inch = 3 feet

Step-by-step explanation:

A scale drawing is a reduced form in terms of dimensions of an original image / building / object

the scale drawing is usually reduced at a constant dimension

scale of the drawing = original dimensions / dimensions of the scale drawing

6 /2 = 3

1 in = 3 feet

3 0

3 years ago