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marshall27 [118]
3 years ago
15

Add -3/x + 7/x. does anyone know this one

Mathematics
1 answer:
julsineya [31]3 years ago
4 0
You can’t do that cause you can’t add negatives and positives
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The universally accepted film size for movies has a width of 35 millimeters. If you want to project a movie onto a square sheet
dlinn [17]

Answer:

<h2>The scale factor is 285.7143 ≅ 286.</h2>

Step-by-step explanation:

The square sheet has an area of 100 square meters.

Hence, the width of the sheet is \sqrt{100} = 10 meters.

The scale factor is needs to be in such a way, so that the film's wide will be match perfectly with the square sheet. Hence, 35x millimeters = 10 meters = 10000 millimeters .

x = \frac{10000}{35} = 285.7143.

6 0
3 years ago
In APQR, PQ- QR. If map
Hitman42 [59]

Answer:

3x-120 = x - 30

2x -120 = -30

2x= 90

x= 45

3(45) -120 (plug x into angle p to check your answer)

135-120

15 degrees

45-30 (plug x into angle r to make sure it's the same thing as angle p)

15 degrees (they're equal so now figure out angle Q and answer the question)

180 - (15 +15)

180- 30

150 is the measure of angle Q

so, the triangle is an obtuse isosceles triangle

Step-by-step explanation:

7 0
3 years ago
The sum of three consecutive even numbers is 66. What is the smallest of these numbers?
ahrayia [7]
Your answer would be 22 because it says <em>"sum"</em> which means <u>add.</u> Then it says "<em>of three consecutive <u>even</u> numbers</em>" which means you're going to be adding <u>three</u> of the <em>same <u>even</u> number </em>to get 66. 22 is an <u>even</u> number, so let's try it out: 22 + 22 + 22 = 66. (You can also divide 66 by 3.) 22 is the cOrrect answer.

Hope this helps,
♥<em>A.W.E.<u>S.W.A.N.</u></em>♥
8 0
3 years ago
Help a sis out! i’ll give u a brainliest. it’s pretty easy algebra.
Naya [18.7K]
Sorry gurl but I don’t even understand my own algebra
5 0
3 years ago
Read 2 more answers
14.89 divided by 0.02
Aneli [31]

Answer:

744.5

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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