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tangare [24]
3 years ago
13

Simplify 5(a+7)+2(a+4)​

Mathematics
2 answers:
Zina [86]3 years ago
8 0

Answer:

7a+43

Step-by-step explanation:

harina [27]3 years ago
4 0
First, we have to distribute 5(a+7) using the distributive property. We get 5a and 35. Then, we do the same with 2(a+4), getting 2a and 8. Lastly, we add both results. 5a + 2a and 8 + 35 = 7a + 43
Therefore, the answer would be 7a +73.
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Joe works for a charity. Each year the charity gives money to different projects. The charity has a total of eight thousand nine
baherus [9]

Answer:

Each =\pounds 1121

Step-by-step explanation:

See comment for complete question.

Given

Total =  \pounds 8968

Projects = 8

Required

Determine the amount allotted to each

From the question, we understand that each project gets each allocation.

So, the amount of each is:

Each =\frac{Total}{Projects}

Each =\frac{\pounds 8968}{8}

Each =\pounds 1121

<em>Each project gets £1121</em>

7 0
3 years ago
Can someone help me with this question​
Doss [256]

Answer:

Step-by-step explanation:

For any prism or cylinder for that matter, you can find the volume by multiplying the area of the base times the height.  So this problem just becomes simple algebra.

B * h = V

25 * h = 80

h = 80/25

h = 3.2

If you don't get why it's the area of the base let me know and I can try to explain it.  

4 0
3 years ago
Find the value of X.
Nezavi [6.7K]

Answer:

A. 12

Step-by-step explanation:

TU and CV are two chords of the circle that intersects at point w.

Thus,

x*3 = 9*4 (two intersecting chords theorem)

Solve for x

3x = 36

Divide both sides by 3

\frac{3x}{3} = \frac{36}{3}

x = 12

8 0
3 years ago
An equilateral triangle with a side length of 6mm and a height of 5.2mm is divided vertically into halves. Find the area of one
Viefleur [7K]

There are two ways you could go about solving this.

You could divide the length of the base (6mm) by 2 and use that to find the area or you could find the area of the whole triangle using 6mm and divide that by 2.

I will use the first method I described:

base = 6/2

base = 3 mm

height = 5.2 mm

area = bh/2

area = (3 * 5.2)/2

area = 7.8 square mm

(don't forget your units)


Using the other method would look like this:

area = bh/2

b = 6

h = 5.2

area = (6 * 5.2)/2

area = 15.6 square mm

area/2 = 7.8 square mm


As you can see either method yields the same result.

Hope this helped.

Cheers and good luck,

Brian

8 0
3 years ago
12-6r=2r+36 (2-step equations)
mart [117]

Answer: r=-3

Step-by-step explanation:

12-6r=2r+36

12=8r+36

-24=8r

r=-3

5 0
1 year ago
Read 2 more answers
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