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4 years ago

Can someone please help me

Mathematics

2 answers:

Makovka662 [10]4 years ago

8 0

I’m pretty sure that the answer will be B. Hopefully this helps you so much

alexgriva [62]4 years ago

3 0

Im pretty sure its 1208

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Expand the equation (x-5)^2

m_a_m_a [10]

Answer:

$x^2 - 10x + 25$

Step-by-step explanation:

Step 1: Expand the equation

$(x - 5)^2$

$(x - 5)(x - 5)$

Foil

$(x * x) + (x * -5) + (-5 * x) + (-5 * -5)$

$(x^2) + (-5x) + (-5x) + (25)$

Combine

$x^2 - 10x + 25$

Answer: $x^2 - 10x + 25$

7 0

3 years ago

Read 2 more answers

Question 2

shutvik [7]

9514 1404 393

Answer:

45°, 45°, 90°

Step-by-step explanation:

If the difference of two angles is 0°, then they are congruent, and the triangle is isosceles.

The angle measures of the isosceles right triangle are 45°, 45°, 90°.

5 0

3 years ago

PLEASE HELP ASAP THANK YOU!!

Stells [14]

Answer:

Second graph

Step-by-step explanation:

See attached image.

3 0

3 years ago

Beverly is driving up a hill at an incline of 45 degrees. She will travel 13 miles to reach the top. What is the height of the h

quester [9]

Answer:

The height of the hill is of 9.19 miles.

Step-by-step explanation:

Relations in a right triangle:

The sine of an angle is given by the measure of the opposite side divided by the hypotenuse.

The cosine of an angle is given by the measure of the adjacent side divided by the hypotenuse.

In this question:

Angle of 45º, and drives 13 miles. Due to the inclination, this represents the hypotenuse.

The height is the opposite side. So

$\sin{45} = \frac{h}{13}$

We have that $\sin{45} = \frac{\sqrt{2}}{2} = 0.71$

$\sin{45} = \frac{h}{13}$

$0.71 = \frac{h}{13}$

$h = 13*0.71 = 9.19$

The height of the hill is of 9.19 miles.

3 0

3 years ago

Part A: What is the value of 2x if 4x + 6 = 2x – 12?

xeze [42]

Answer:

Step-by-step explanation:

A) 4x + 6 = 2x - 12

Subtract 6 from both sides

4x + 6 - 6 = 2x - 12 -6

4x = 2x - 18

Subtract 2x form both sides

4x - 2x = 2x - 18 - 2x

2x = -18

B) 24 = 6x - 18

6x - 18 = 24

6x - 6*3 = 24

6(x - 3) = 24

Divide both sides by 6

$\frac{6(x - 3)}{6}=\frac{24}{6}\\\\$

x - 3 = 4

8 0

3 years ago