3 years ago

PLEASE HELP ME

Mathematics

1 answer:

defon3 years ago

8 0

Answer:

(x+5) (x-3)

Step-by-step explanation:

5 times -3= -15

5 + -3 = 2

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A triangle has sides with lengths of 6 inches, 8 inches is it a right triangle?

My name is Ann [436]

Answer:

Yes

Step-by-step explanation:

8²+6²=100

√100

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6 0

3 years ago

511 = -7 (10x – 13) steps

PilotLPTM [1.2K]

Answer: $x=-6$

Simplify both sides of the equation

$511=(-7)(10x)+(-7)(-13)(Distribute)\\511=-70x+91$

Flip the equation

$-70x+91=511$

Subtract 91 from both sides

$-70x+91-91=511-91\\-70x=420$

Divide both sides by -70

$-70x/70=420/-70\\x=-6$

3 0

3 years ago

Read 2 more answers

5.3.PS-/ Simplify the expression. - -2.8f + 0.8f – 16 - 9

bezimeni [28]

=-2f-25 is your answer

8 0

2 years ago

WHAT IS PRODUCT OF (6X+5)(X^2-2X+1)

Anettt [7]

$(6x+5)(x^2-2x+1)=6x\cdot x^2-6x\cdot2x+6x + 5\cdot x^2-5\cdot 2x+5 =\\ \\=6 x^3-12x^2+6x + 5 x^2- 10x+5 =6 x^3-7x^2-4x+5$

4 0

3 years ago

The measure of angle 1 is (3x + 10)° and the measure of angle 4 is (4x – 15)°. What is the measure of angle 7

jasenka [17]

Your answer will be 95 degrees. (3x+10)=(4x-15) ends up with x=25. Plug it in to (3x+10). You should get 85 degrees. Using the definition of supplementary angles, angle 3 will be 95. Angle 7 and angle 3 are corresponding angles.

4 0

3 years ago