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olga_2 [115]
3 years ago
15

A. 110 B. 90 C. 135 D. 45

Mathematics
1 answer:
defon3 years ago
8 0

Answer:

answer is

D. 45. hhhisukwk

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Use the distributive property to solve the equation 28-(3x+4)=2(x+6)+x. Show your work.
Gre4nikov [31]

Answer:

x=2

Step-by-step explanation:

28−(3x+4)=2(x+6)+x

We need to use the distributive property for the right side.

28−3x−4=(2)(x)+(2)(6)+x)

28−3x−4=2x+2+x

−3x+24=3x+12

From here we need to subtract 3x from both side.

−3x+24−3x=3x+12−3x

6x+24=12

Transfer +24 on the right side.

6x=12−24

6x=−12

Finally, divide both sides by −6

6x/-6 = -12/-6

x=2

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3 years ago
F(x)=2x^2+3x-1 reflected across the y axis
weqwewe [10]
I believe it is 2x^2 - 3x - 1
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3 years ago
Angelina ran 2 miles in 15 minutes. At that rate, how far will she run in 1 hour?
Lostsunrise [7]
1 hour = 60 minutes
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2x4= 8 miles
3 0
3 years ago
Find the lateral area and the surface area of the right cone. Round your nearest answers to the nearest hundredth
S_A_V [24]

Step-by-step explanation:

Given that,

The height of the cone, h = 24 cm

The radius of the cone, r = 10 cm

The slant height of the cone is :

l=\sqrt{h^2+r^2} \\\\l=\sqrt{24^2+10^2} \\\\l=26\ cm

The lateral area of the cone is given by :

A=\pi rl\\\\=3.14\times 10\times 26\\\\=816.4\ cm^2\approx 816\ cm^2

The surface area of the cone is given by :

A=2\pi rh\\\\=2\times 3.14\times 10\times 24\\\\=1507.2 \approx 1507\ cm^2

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3 years ago
20 ounces to 25 ounces find the percent of change
Gemiola [76]
20% 25-20 equals 5. 5 divided by 20 equals .2 or 20%
7 0
3 years ago
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