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Ksenya-84 [330]
3 years ago
11

Need help don’t know what to do I’m confused

Mathematics
1 answer:
lina2011 [118]3 years ago
8 0
Answer: the last one which is d<0
Trust me :)
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3. Find the area of the polygon. Show your work.
nata0808 [166]
To solve this problem, you can split the shape into a triangle and a parallelogram.
You can do this by imagining/drawing a line from point A to point C>

Now you can work out the area of triangle ACB
1/2 x b x h
1/2 x 5 x 3
= 7.5

Now work out the area of the parallelogram ACDE
b x h
5 x 3 = 15

Add the areas together and then you have the answer
7.5 + 15 = 22.5
3 0
4 years ago
3 four drinks at Starbucks cost $14.00. How much do 7 drinks cost?
Ket [755]

Answer:

32.2

Step-by-step explanation:

divide 14 by 3 to get 4.6 then you multiply 7 by 4.6

Hope this helped you

4 0
3 years ago
Assignment: Find the Volume
olga nikolaevna [1]

Key:

Volume formulas:

• length × width × height

• a³

Step-by-step explanation:

1. 5 * 2 * 7 = 70

2. 10^3 = 1000

3. 7^3 = 343

4. 5 * 1 * 6 = 30

5. 6 * 4 * 2 = 48

-----------------------------------------------------------------------------------------------------------

Answer:

1. 70

2. 1000

3. 343

4. 30

5. 48

8 0
2 years ago
A 152 cm tall barrel has a circumference of 56.52.
kirill [66]

Answer:

V = 38659.68 cm^3

Step-by-step explanation:

If we pretend A barrel is a cylinder we use V=πr^2h for the volume.  We know h, but we need to find r

The question tells us the circumference, well how do we find circumference? C = 2πr, so we can use this to find r.

C = 2πr

56.52 = 2 * 3.14 * r Here divide both sides by 2*3.14

56.52/(2*3.14) = r

9 cm = r

Now we can just plug into the volume.

V=πr^2h

V = 3.14 * 9^2 * 152

V = 38659.68 cm^3

I feel I should mention this is all true if the circumference is in centimeters, since the question didn't specify.  

6 0
3 years ago
Please help and answer all the question too
IgorC [24]
To find the volume you use the formula—> length x width x height.

For the first problem you’ll solve 5 x 3 x 2 which is 30.

For the second one you’ll do the same thing. For this one you’ll do 3 x 3 x 2 which is 18.
4 0
3 years ago
Read 2 more answers
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