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zysi [14]
3 years ago
8

-17=x- 15 one step equation

Mathematics
1 answer:
mina [271]3 years ago
3 0

Answer:

-2=x

Step-by-step explanation:

-17=x-15

Add 15 on both sides

-2=x

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Simplify the following expression:<br> Sqrt (-16) + sqrt(-25+5)
Studentka2010 [4]

Answer:

(4 + 2√5) i

Step-by-step explanation:

√(-16) + √(-25 + 5)

√(-16) + √(-20)

4i + 2i√5

(4 + 2√5) i

7 0
3 years ago
What is the main idea of the passage? (5 points)
solong [7]

Answer:

b

Step-by-step explanation:

5 0
3 years ago
2. Tina had $10. She spent $6 at the movie. a) What fraction of the money was not used? b) Calculate the percentage of money not
gregori [183]

Answer:

a) 2/5

b) 40%

Step-by-step explanation:

Tina had $10.

a)

10-6=4

4/10=2/5

b)

2/5x20/20=40/100

=40%

Hope this helps :)

3 0
3 years ago
The oblique circular cone has an altitude and a diameter of base that are each of length 12 cm. The line segment joining the ver
Viktor [21]

9514 1404 393

Answer:

  6√5 ≈ 13.42 cm

Step-by-step explanation:

The axis, a radius, and the edge marked 12 cm together form a right triangle, of which the axis is the hypotenuse. The Pythagorean theorem applies.

  6² +12² = axis² = 180

  axis = √180 = 6√5 ≈ 13.42 . . . cm

The length of the axis is 6√5 cm, about 13.42 cm.

5 0
3 years ago
Plz Help!!!<br> Will Give Brainliest to the First Person that answers!!!
Tatiana [17]

Answer:

15 square units.

Step-by-step explanation:

To find the area, we must find the width and length of the rectangle. To find the width and length, we need to find the length of AB and the length of BC. We use the distance formula.

AB: A(-8, 3); B(-3, 3).

\sqrt{(-8-(-3))^2+(3-3)^2}

= \sqrt{(-8+3)^2+0^2}

= \sqrt{(-5)^2+0}

= \sqrt{25 }

= 5

BC: B(-3, 3); C(-3, 6).

\sqrt{(-3-(-3))^2+(3-6)^2}

= \sqrt{(-3 + 3)^2+(-3)^2}

= \sqrt{(0)^2+9}

= \sqrt{0+9}

= \sqrt{9}

= 3

Now that we have both the width and the length, we can solve for the area using A = lw, where A is the area, l is the length, and w is the width. In this case, l = 5 and w = 3.

A = lw

A = 5 * 3

A = 15

So, the area of the rectangle is 15 square units.

Hope this helps!

8 0
3 years ago
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