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kap26 [50]
4 years ago
10

What is the value of x ?

Mathematics
1 answer:
Lyrx [107]4 years ago
7 0
So,

1) 3x+7+2x-8+5-x=180
2) 4x+4=180
3) 4x=176
4) x=44

Answer is D
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Select the correct answer from each drop-down menu.
Ostrovityanka [42]

Answer:

Both questions are true.

Step-by-step explanation:

The general mathematical equation of a line can be written as y = ax + b .

If we rearrange the two equations given in the question as follows:

5y = 3x + 22 and 20y = 12x + 11

We can see that they follow the general equation we defined earlier so we can say that they represents linear lines.

The 20y = 12x + 88 given in the second question also represents a similar linear line with a different slope.

So the two questions are both true.

I hope this answer helps.

4 0
3 years ago
Pls help will give brainliest and 5star plss help
Ugo [173]

Answer:

14. 2384 in²

15. 291.8 in²

Step-by-step explanation:

14. The total surface area consists of the area of two equal triangles and three rectangles.

The area of each triangle is \frac{1}{2} bh, which is \frac{1}{2}(24)(14)=168 in². The area of both triangles combined is 336 in².

The area of each of the slanted rectangles is base x height, which is 25x32=800 in². The area of both rectangles combined is 1600 in².

The area of the base rectangle is 14x32=448 in².

Therefore, to find the total surface area, you add the area of each side together: 336+1600+448=2384 in².

15. The equation for the surface area of a cylinder is 2\pi r^{2} +2\pi rh.

The radius (r) is 4.6 in and the height (h) is 9.1 in.

Therefore, the surface area is:

2\pi (4.6)+2\pi (4.6)(9.1)=28.888+262.88=291.8\\ in²

5 0
3 years ago
Dorian buys 2 pounds of almonds for $21.98 and 3 pounds of dried apricots for 26.25 which is less expensive per pound how much l
Anit [1.1K]

Answer:

The apricots are $2.24 less expensive per pound.

Step-by-step explanation:

To find the price per pound of each product divide the price Dorian by the number of pounds Dorian bought:

Almonds: 21.98 ÷ 2 = 10.99

Almonds cost $10.99 per pound.

Apricots: 26.25 ÷ 3 = 8.75

Apricots cost $8.75 per pound.

The apricots are less expensive per pound. To find how much less expensive they are compared to the almonds, subtract the cost of the apricots per pound from the cost of the almonds per pound:

10.99 - 8.75 = 2.24

The apricots cost $2.24 less per pound than the almonds do.

5 0
3 years ago
Someone help right now :(
Dima020 [189]

Answer:

ok

Step-by-step explanation:

4 0
3 years ago
Please help asap need to be done now
sertanlavr [38]

Answer:

<h2><em><u>15.71 is the perimeter.</u></em></h2>

Step-by-step explanation:

Perimeter = Circumference

<em><u>Step 1. Know and recognize what you have</u></em>

C = pi*d

pi = 3.142

d = 10

<em><u>Step 2. Solve for the circumference of whole circle</u></em>

C = 3.142*10

C = 31.42

<em><u>Step 3. Solve for the questions answer</u></em>

C of semicircle = 31.42/2

<h2><em><u>C of semicircle = 15.71</u></em></h2><h2><em><u></u></em></h2>

Hope this helped,

Kavitha

8 0
4 years ago
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