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jarptica [38.1K]
3 years ago
9

What is the difference? -2/15 -(-9/15) a.-11/15 b. -7/15 c. 7/15 d. 11/15

Mathematics
1 answer:
Elodia [21]3 years ago
5 0
-2/15-(-9/15)=-2/15+9/15=9/15-2/15=7/15
the answer is C

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What value for a makes this equation true? 6 • a = (6 • 30) + (6 • 2)
Alecsey [184]
Given:
6a = (6x30) + (6x2)

Find the value of a.

6a = (6x30) + (6x2)

As you notice, 6 is the common factor of each term
6a =6(30+2)
6a = 6(32)

To get the value of a, divide both sides by 6.
6a/6 = 6(32)/6

a = 32 CHOICE B.

6a = (6*30)+(6*2)
6(32) = 180 + 12
192 = 192

or you can solve the problem this way.

6a = (6*30)+(6*2)
6a = 180 + 12
6a = 192
6a/6 = 192/6
a = 32
4 0
3 years ago
Read 2 more answers
(8,-7)m=-3/4 write an equation in point slope form of the line that passes through the given point and has the given slope
Paladinen [302]

Answer:

Equation of the straight line in point-slope form

 y -(-7) = \frac{-3}{4}(x-8)

Equation of the straight line

3x +4y +4=0

Step-by-step explanation:

<u><em>Explanation:-</em></u>

Given that the point ( 8,-7) and  m = \frac{-3}{4}

Equation of the straight line passing through the point (x₁, y₁) and having slope 'm'

          y - y₁ = m (x-x₁)

        y -(-7) = \frac{-3}{4}(x-8)

       4( y+7) = -3(x-8)

       4y +28 = -3x +24

      3x +4y +28 -24 =0

      3x +4y +4=0

6 0
3 years ago
Can someone help me find x
Viefleur [7K]

Answer:

Rounded to the nearest tenth: x=5.7 in

Rounded to the nearest hundredth: x=5.74 in

Step-by-step explanation:

We have a right triangle with a given angle of 35°. We also have the opposite side of that angle, x, and its hypotenuse 10 in. To find x, we are using the trig function that relates  the opposite side with the hypotenuse; in other words, the sine trig function.

sin\alpha =\frac{opposite}{hypotenuse}

sin(35)=\frac{x}{10}

x=10sin(35)

x=5.735764364

Rounded to the nearest tenth: x=5.7 in

Rounded to the nearest hundredth: x=5.74 in

4 0
3 years ago
Please, I give 20 score. Find the volume
Elza [17]

Answer:

2388.16 in³

Step-by-step explanation:

1) find volume of cylinder

formula: πr²h

given:

π = 3.14

r = 8/2 = 4 in

h = 9 in

\pi \: r {}^{2} h

(3.14) \times (4 {}^{2} ) \times 9

3.14 \times 16 \times 9

452.16 \:  {in}^{3}

2) find volume of cuboid

formula: length × width × height

given:

length = 16 in

width = 11 in

height = 11 in

l \:  \times w \:  \times h

16 \times 11 \times 11

1936 \: in {}^{3}

total volume of figure

= volume of cylinder + volume of cuboid

= 452.16 in³ + 1936 in³

= 2388.16 in³

6 0
3 years ago
Which pairs of angles are congruent because they are vertical angles? Check all that apply.
miskamm [114]
B, D represent pairs of vertical angles.
___
Other pairs may be congruent, but they are not vertical angles. The lines that look parallel must be assumed to be NOT parallel, because they are not marked in the diagram as being parallel. Thus ∠8 ≠ ∠12, for example.
5 0
4 years ago
Read 2 more answers
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