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Helen [10]
3 years ago
11

2/3(3x+9)=−2(2x+6) I don't know how to do the fraction???

Mathematics
1 answer:
zloy xaker [14]3 years ago
6 0
I hope this helps (pt. 1)

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What’s the answer to this questions ?
DochEvi [55]

Answer:

60 degress

Step-by-step explanation:

180-80=120

120/2=60

6 0
3 years ago
Jason runs 440 yards in 75 seconds. At this rate, how many minutes does it take
Leya [2.2K]

Answer:

5 minutes

Step-by-step explanation:

We know that 1760 yards are in a mile. We can convert the given info into a proportion. 440/75 = 1760/x, where x is the number of seconds it takes to run a mile. Cross-multiply to get 440x = 75*1760. Divide both sides by 440 to get x = 75*4 = 300 seconds. The problem asks for how many minutes so you have to convert 300 seconds to minutes. To do this, we have to divide 300 by 60 to get 5 minutes.

3 0
3 years ago
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A circle is represented by the equation below: (x + 8)2 + (y − 3)2 = 100 Which statement is true?
ss7ja [257]

Answer:

The circle is centered at (-8,3) and has a diameter of 20 units

Step-by-step explanation:

we know that

The equation of a circle in center radius form is equal to

(x-h)^2+(y-k)^2=r^2

where

(h,k) is the center of the circle

r is the radius of the circle

In this problem we have

(x+8)^2+(y-3)^2=100

so

The center is the point (-8,3)

The radius is r=\sqrt{100}=10\ units

so

The diameter is two times the radius

D=2(10)=20\ units

therefore

The circle is centered at (-8,3) and has a diameter of 20 units

8 0
3 years ago
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Solve for x:4(2x-1)=2x+35
Katyanochek1 [597]
8x-4=2x+35
8x-2x=35+4
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X=39/6
6 0
3 years ago
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5+b=25<br> b=20<br> 5+20=25<br> =?
Arisa [49]
The numbers are equal. 25=25
4 0
3 years ago
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