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3 years ago

Find the value of the expression if x=13 and Y = -8 |x+y|=

Mathematics

2 answers:

Lena [83]3 years ago

7 0

Answer:

Step-by-step explanation:

13 + (-8) = 5

Burka [1]3 years ago

5 0

First we need to plug in the x and y values into the equation. The equation is asking what is the absolute value (which means the answer can’t be negative) of 13+(-8). The final answer would be 5.

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3/x^2-1 - 2(x+3) = 5/x+1

weqwewe [10]

Answer:

X=1.132589

Step-by-step explanation:

If im correct the answer would be x=1.132589

x2−1

−2(x+3)=

x+1

(x+1)(x−1)

+−2x−6=

x+1

Multiply all terms by (x+1)(x-1) and cancel:

3+(−2x−6)(x+1)(x−1)=5(x−1)

−2x3−6x2+2x+9=5x−5(Simplify both sides of the equation)

−2x3−6x2+2x+9−(5x−5)=5x−5−(5x−5)(Subtract 5x-5 from both sides)

−2x3−6x2−3x+14=0

(Use cubic formula)

x=1.132589

And dont forget to check your answer

3 0

3 years ago

A line plot with the lengths of meteors is shown. Two more identical meteor measurements were added so that the total length of

Lady_Fox [76]

Answer:

never mind i was wrong

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Simplify the expression: –3(3 + 2n)

noname [10]

Answer:

-9 - 6n is the answer

8 0

3 years ago

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Marysya12 [62]

Okay there is going to be a 90°, 45°, and a 45° atleast

8 0

3 years ago

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17. Find m2 USW if m_ USW = 7x - 34 and m2 TSR = 4x + 29.

SVEN [57.7K]

Answer:

Step-by-step explanation:

Find the diagram attached. From the diagram, we can see that;

<USW = <TSR (vertically opposite angles)

Given

<USW = 7x-34

<TSR = 4x+29

Equate

7x-34 = 4x+29

7x-4x = 29+34

3x = 63

x = 63/3

x = 21°

Find <USW

<USW =7x-34

<USW =7(21)-34

<USW = 147-34

<USW = 113°

Hence the measure of <USW is 113°

5 0

3 years ago