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jasenka [17]
3 years ago
5

Find the area of the following shape. You must show all work to receive credit. Please help!

Mathematics
1 answer:
lisabon 2012 [21]3 years ago
7 0
This is a compound figure
First, section off a triangle at bcd. The base is 8 units with a height of 2 units so the area is 8 square units.
Form a trapezoid between the areas where x is -3 to 1. Use the formula to find the area (28 square units).
There are two triangles left. Find the area of both of them (4 units and 2 units)
Add all of these values together to get a total of 42 square units

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Convert 7 kilometers into miles
ladessa [460]
4.3496 miles.

HTH (Hope This Helps)
6 0
3 years ago
Two circles have the same radius. Is the combined area of the two circles the same as the area of a circle with twice the radius
Dimas [21]
Ok so area=pir^2

2 circles with same area=2pir^2

circle with 2 times radius=pi(2r)^2=pi4r^2=4pir^2

is 2 circles with same area equal to circle with 2 times radius?
is 2pir^2=4pir^2?
is 2=4?
no


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it is because the radius is squaered so the doubled gets doubled makng it quadrupuled when the first one only gets doubled
8 0
3 years ago
two angles are supplementary one angle measures 75% more than twice the measure of the other what are the measurement of the two
valkas [14]
Let's call the angles x and y. We know that supplementary angles must add to 180 degrees, so x+y=180.

Furthermore, we know that x is 75% more than 2y. We can write "75% more than" numerically as 1.75, so x = 1.75(2y).

We can simplify the second equation by multiplying 1.75 and 2 together to get x = 3.5y.

Now we can solve the system of equations by substitution by plugging 3.5y in for x in x+y=180.

(3.5y) + y = 180

Combine like terms.

4.5y = 180

Divide by 4.5

y = 40

Plug y = 40 in and solve for x.

x + 40 = 180

x = 140

The answer is 40 and 140. Hope this helps :)
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3 years ago
David uses 1/2 cup of apple juice for every 1/4 cup of cranberry juice to make a fruit drink. Find out the number of cups of app
statuscvo [17]
Well, he would use 4/4 cup of cranberry juice to equal 1 cup. that is 4x the original amount. so, multiply 1/2 × 4 to equal 2 cups. David would use 2 cups of apple juice for every 1 cup of cranberry juice.
5 0
3 years ago
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