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3 years ago

Given that ABC ~ EFG, if FG = 7.6 what is the length of BC ?

Mathematics

1 answer:

charle [14.2K]3 years ago

7 0

You didn't include the picture (triangle BAC and triangle FEG. First image.)

The answer I got is 5.7

My work is written out in the second image

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The variable, y, varies directly with x. If y = 26 when x = 21,<br> what is y when x = 64?

STatiana [176]

Answer:

y=69

Step-by-step explanation:

first step:when y=26 and x=21

c=y-x

c=26-21

c=5

second step: when y is unknown and x=64

To find y we simply add the value of c to x

y=x+c

y=64+5

y=69

6 0

3 years ago

I need help! ASAP!!!

Arisa [49]

Answer:

Step-by-step explanation:

The formula of a surface area of a rectangular prism:

$S.A.=2(lw+lh+wh)$

l - length

w - width

h - height

We have l = 15 mm, w = 3 mm, h = 4 mm. Substitute:

$S.A.=2(15\cdot3+15\cdot4+3\cdot4)=2(45+60+12)=2(117)=234$

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3 years ago

Which fraction has the same value as 2 3<br> 8

Alik [6]

Answer:

The Answer : 19/8 Not sure if I'm correct

7 0

3 years ago

The student enrollment of South High School was 1,350 students in 1995 and increased by 15% per year until 2010. Approximately h

vlabodo [156]

Answer: A.

Step-by-step explanation:

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3 years ago

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The area of the circle is 144π m2<br><br> What is the diameter of the circle?

Over [174]

Answer:

Step-by-step explanation:

Remember that

Area of Circle = $\pi r^2$

$\pi = pi \\r = radius$

They told us that for this circle, the area is $144\pi m^2$

If you put it back into the formula for area of a circle we get:

Area of Circle = $\pi r^2$

$144\pi = \pi r^2$

Divide both sides by $\pi$ .

144 = $r^2$

Now we want to solve for r (r = radius).

You need to square root each side

$\sqrt{144} = \sqrt{r^2}$

$12 = r$

So now we know the radius, $r = 12$ metres

Also remember that

Diameter = $2r$

So,

Diameter = 2 times 12 = 24 metres

5 0

3 years ago