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Charra [1.4K]
3 years ago
13

Joelle set up the following proportion to solve for x. determine if her proportion is correct. if not, explain what is wrong wit

h it.

Mathematics
2 answers:
vfiekz [6]3 years ago
7 0

Answer:

Its B just took the quiz



Nikitich [7]3 years ago
3 0
The proportion Joelle set up is (4/6) = (5/X). The proportion is incorrect, because the side BD (which is equal to 4) is proportional to the side BA (equal to 9), not simply side DA (equal to 5, which Joelle had used). The correct proportion is (4/6) = (9/X), where X = 13.5. 

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Find the area of each part of the trapezoid.
Nikitich [7]

Answer:

Area of Triangle A = 4 cm²

Area of Rectangle = 24 cm²

Area of Triangle B = 4 cm²

Area of Trapezoid = 32 cm²  

Step-by-step explanation:

The formula to find the area of a triangle is: \frac{h_bb}{2}

The base (b) is 2 and the height (h) is 4.

Now multiply,

2 times 4 = 8

Then divide,

\frac{8}{2} which equals 4.

So the area of Triangle A and B is 4 cm² because they are the same triangles.

The formula to find the area of a rectangle is: a times b.

a=6 and b=4

Multiply,

6 times 4 = 24

So the area of the rectangle is 24 cm²

The formula to find the area of a trapezoid is: \frac{a+b}{2}h

A=6

B=10

H=4

So now,

\frac{6+10}{2}4

6+10=16

16 divided by 2 is 8.

Last multiply,

8 times 4 is 32.

The area of the trapezoid is 32 cm²

Hope this helped! And have a great day!

7 0
2 years ago
How do you times fraction by whole numbers
ehidna [41]
To multiply whole numbers and fractions, multiply the numerator by the whole number. Example: 1/3×4= 4/3=1 1/3
5 0
3 years ago
Read 2 more answers
41:18
vazorg [7]

Answer:

I believe the answer is the 3rd choice witch would be c

4 0
3 years ago
Solve the following equations using any method. Show your work and check your
Lera25 [3.4K]

Answer:

the first one is false

the second one is false

the third one is true

the last one is false

3 0
3 years ago
3. Use a proportion to find the distance across the water from C to D.
sattari [20]

Answer:

35m

Step-by-step explanation:

Triangle 1 has an 8:20 ratio which can be simplified to 2:5 ratio

so We can apply this to 14

(14/2) * 5

7 * 5

35 meters

-- Gage Millar Algebra 1/2 tutor

8 0
2 years ago
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