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Neporo4naja [7]
3 years ago
13

Find angle PRS in the image above

Mathematics
1 answer:
trasher [3.6K]3 years ago
6 0

Answer:

142°

Step-by-step explanation:

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Tim is 2 more than twice Angie's age. If Angie in 20 years old, how old is Tim?
Vera_Pavlovna [14]
If Tim is 2 more than twice angies age, Tim is 42.
7 0
3 years ago
Please help me with this!!<br> Thank u
topjm [15]

Answer:

Step-by-step explanation:

Left

When a square = a linear, always expand the squared expression.

x^2 - 2x + 1 = 3x - 5                Subtract 3x from both sides

x^2 - 2x - 3x + 1 = -5

x^2 - 5x +1 = - 5                      Add 5 to both sides

x^2 - 5x + 1 + 5 = -5 + 5

x^2 - 5x + 6 = 0

This factors

(x - 2)(x - 3)

So one solution is x = 2 and the other is x = 3

Second from the Left

i = sqrt(-1)

i^2 = - 1

i^4 = (i^2)(i^2)

i^4 = - 1 * -1

i^4 = 1

16(i^4) - 8(i^2) + 4

16(1) - 8(-1) + 4

16 + 8 + 4

28

Second from the Right

This one is rather long. I'll get you the equations, you can solve for a and b. Maybe not as long as I think.

12 = 8a + b

<u>17 = 12a + b         Subtract</u>

-5 = - 4a

a = - 5/-4 = 1.25

12 = 8*1.25 + b

12 = 10 + b

b = 12 - 10

b = 2

Now they want a + b

a + b = 1.25 + 2 = 3.25

Right

One of the ways to do this is to take out the common factor. You could also expand the square and remove the brackets of (2x - 2). Both will give you the same answer. I think expansion might be easier for you to understand, but the common factor method is shorter.

(2x - 2)^2 = 4x^2 - 8x + 4

4x^2 - 8x + 4 - 2x + 2

4x^2 - 10x + 6    The problem is factoring since neither of the first two equations work.

(2x - 2)(2x - 3)     This is correct.

So the answer is D

5 0
2 years ago
Help me answer 1 and 2 please
torisob [31]

Answer:

1 is 13/10 i believe and 2 will be 11/12

Step-by-step explanation:

heres my work

1 first find least common factor sense the denominators ar different witch will be ten then then the number you used to multiply the denominator to find 10 you use to multiply the numerator with.

so you left with 6/10 + 7/10 witch equals 13/10

2 do the same in 1 find least common factor witch is 12 and then multiply the number used to get the common factor by the numerator witch leaves the setup as 8/12+3/12 witch equals 11/12

Can i have Brainiest Please.

6 0
3 years ago
A triangular pane of glass has a height of 38 inches and an area of 304 square inches. What is the length of the base of the pan
Yanka [14]

Answer:8 inches

Step-by-step explanation:304/38 = 8 inches

6 0
3 years ago
Need help plz show work!
andrezito [222]
1 chair = X
8 chairs = 8X

1 table = Y

8X - Y is the more amount you paid for chairs
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