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2 years ago

Which lines or segments are parallel?

Mathematics

1 answer:

Leviafan [203]2 years ago

5 0

JQ, KR, LS, and MT are parallel.

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What is the value of f(−1) when f(x)=2x+2

mart [117]

Answer:

Step-by-step explanation:

$f(x)=2x+2$

To find f(−1) , substitute the values of x that's - 1 into f(x). That is for every x in f(x) replace it with - 1

That's

$f( - 1) = 2( - 1) + 2 \\ = - 2 + 2$

We have the final answer as

$f( - 1) = 0$

Hope this helps you

7 0

2 years ago

HURRY GIVING BRAINLIEST !!

sashaice [31]

Answer:
15ft
Step-by-step explanation:
If you redraw it and use a ruler it will be 15 feet.

5 0

2 years ago

Solve the equation. x2 18x 81 = 25<br> a. 14, 4<br> b. –4, –14<br> c. 14, –14<br> d. –4, 4

Snowcat [4.5K]

Answer:

The answer is the option B

$-4,-14$

Step-by-step explanation:

we know that

The formula to solve a quadratic equation of the form $ax^{2} +bx+c=0$ is equal to

$x=\frac{-b(+/-)\sqrt{b^{2}-4ac}} {2a}$

in this problem we have

$x^{2}+18x+81=25$

$x^{2}+18x+56=0$

$a=1\\b=18\\c=56$

substitute in the formula

$x=\frac{-18(+/-)\sqrt{18^{2}-4(1)(56)}} {2(1)}$

$x=\frac{-18(+/-)\sqrt{100}} {2}$

$x=\frac{-18(+/-)10} {2}$

$x1=\frac{-18+10} {2}=-4$

$x2=\frac{-18-10} {2}=-14$

7 0

3 years ago

Read 2 more answers

Perform the indicated operation. 4/11 x 10/8

Mrrafil [7]

5/11 because if you simplify starting at 40/88 you get 5/11

5 0

2 years ago

Read 2 more answers

Will give brainliest to whoever replies with the correct answer. (Question is in the image)

EastWind [94]

Answer:x = 7

Step-by-step explanation:

Similar figures have sides that are proportional. Setting up a proportion for the sides of the figures will help solve for 'x':

Cross-multiply: 3(x + 1) = 6(x - 3)

Distribute: 3x + 3 = 6x - 18

Combine like terms: 21 = 3x

Solve for 'x': x = 7

5 0

3 years ago