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Semenov [28]
3 years ago
15

In June, you start a holiday savings account

Mathematics
2 answers:
Leona [35]3 years ago
6 0

Answer:

You will have $54 by December and here's why:

Step-by-step explanation:

You deposite $4 every month until December, that's 6 months.

so you do $4 × 6 months = 24

So you add 24 and 30

$24 + $30 = $54

jarptica [38.1K]3 years ago
3 0

Answer:

$54

Step-by-step explanation:

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Review the following information about vectors q and r.
Vitek1552 [10]
<h3>Answer:  a = -1  (fourth choice)</h3>

==========================================

Work Shown:

q = (-4, 1) is one vector

r = (a,3) is another vector

The resultant vector is

q+r = (-4,1)+(a,3)

q+r = (-4+a,1+3)

q+r = (-4+a,4)

Multiply both sides by 7

7(q+r) = 7*(-4+a,4)

7(q+r) = (7*(-4+a),7*4)

7(q+r) = (-28+7a, 28)

---------------

Since 7(q+r) = (-35, 28), we know that,

(-28+7a, 28) =  (-35, 28)

which leads to

-28 + 7a = -35

when we equate the x components of each vector. Let's solve for 'a'

-28 + 7a = -35

7a = -35+28

7a = -7

a = -7/7

a = -1

--------------

Check:

q = (-4,1)

r = (a,3) = (-1,3)

q+r = (-4,1)+(-1,3)

q+r = (-4+(-1), 1+3)

q+r = (-5, 4)

7*(q+r) = 7*(-5, 4)

7*(q+r) = (7*(-5), 7*4)

7*(q+r) = (-35, 28)

The answer is confirmed.

7 0
2 years ago
Read 2 more answers
Does anyone know the answer to this?
Elis [28]

65 + (3x-10) + 2x = 180

65 +5x-10 = 180

55 + 5x =180

5x = 125

x = 125/5 = 25


x = 25

B = 3(25)-10 = 75-10 = 65

C = 2(25) = 50

3 0
3 years ago
Read 2 more answers
What is the volume of this prism? )<br> cm<br> thing
puteri [66]

Answer:

The formula for the volume of a prism is V=Bh , where B is the base area and h is the height. The base of the prism is a rectangle. The length of the rectangle is 9 cm and the width is 7 cm. The area A of a rectangle with length l and width w is A=lw .

Step-by-step explanation:

5 0
2 years ago
a submarine travels 90 kilometers in 4 hours find the submarines rate of speed in kilometers per hour
defon

Answer:

22.5

Step-by-step explanation:

To find the rate of speed per hour, you need to divide the kilometer (90) by the hours (4).

90/4=

22.5

6 0
3 years ago
20. The top layer of a circular wedding cake has a
Alex73 [517]

<u>Answer:</u>

4 times

<u>Explanation:</u>

tc = 15×π = 47.12.. in

bc = 2×30×π = 188.49.. in

bc = 188.5/47.12 = 4 times

6 0
3 years ago
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