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Semenov [28]
3 years ago
12

i need help on this problem i know how to do this types of problem but i dont get this problem i need hep thank you

Mathematics
2 answers:
Sever21 [200]3 years ago
8 0

Answer:

B: 72

Step-by-step explanation:

Split the shape into separate rectangles! It will make the problem much easier. You can split it so that you will have a 12 x 3 rectangle and a 6 x 6 rectangle because you subtract 3 from 9 and subtract 6 from 12.

12 x 3 = 36

6 x 6 = 36

36 + 36 = 72

Let me know if you're still confused!

ElenaW [278]3 years ago
6 0
The answer is 72 yards. you have to separate the shape into smaller rectangles, so you’d get 12 x 3 and 6 x 6.

12 x 3 = 36
6 x 6 = 36
36 + 36 = 72

i hope that makes sense, it’s hard to explain by just writing!
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Ede4ka [16]

Answer:

x=6°

Step-by-step explanation:

7x+180-23x+10x+36=180

-6x=180-180-36

-6x=-36

divide both sides by-6

x=6°

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Andrea wants to plant a garden and surround it with decorative stones.She has enough stones to enclose a rectangular garden with
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Y=2x+1<br> y=-x+4<br><br> It's a system of equation
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Since y=y. set the equations equal to each then solve
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3 years ago
What is the measure of ∠AOB?<br> 90°<br> 80°<br> 180°<br> 40°
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4 0
3 years ago
Read 2 more answers
1-i need to mix 25% mineral spirits to the varnish i am using what ratio of spirit to varnish am i using? 2-if i use 240 ml of v
Ad libitum [116K]

Answer: (a) The ratio of spirit to varnish is 1 : 3

(b) You will need 80 ml of mineral spirits

(c) Ratio = 3 : 2

Step-by-step explanation: (a) If you have to mix 25% mineral spirit to the varnish as required in the question, then the whole solution would effectively contain 25 percent spirit and 75 percent varnish, giving you a hundred percent solution. To express both quantities in ratio can be done as follows;

Ratio = Spirit : Varnish

Ratio = 25 : 75

Ratio = 1 : 3

(b) Next, if you use 240 ml of varnish, this quantity would constitute 75 percent or ratio 3 out of 4 of your total solution. Therefore 240 ml of varnish can be expressed as follows;

240 : x = 3 : 4

Where x is the total solution and the right hand side (3 : 4) expresses the ratio of varnish in relation to the total solution. Hence,

240/x = 3/4

By cross multiplication you now have,

3x = 240 * 4

x = 960/3

x = 320

If x is the total solution which is 320 ml, and varnish constitutes 240 ml, then spirit equals,

Spirit = Total solution - varnish

Spirit = 320 - 240

Spirit = 80.

Therefore, you would need 80 ml of mineral spirits.

(c) Robson's tapestries all measure 1.5 m by 1 m. This can be expressed in whole numbers by first eliminating the decimal. Multiplying both dimensions by 10 results in,

1.5 (10) x 1 (10)

15 x 10

If both measurements can also be expressed as 15 m by 10 m, then reducing to the least terms would result in 3 by 2. That is,

15/5 by 10/5

3 by 2

Expressed as a ratio, this now becomes

Ratio = 3 : 2

6 0
3 years ago
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