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gavmur [86]
3 years ago
12

A) Serena walks 4 km in 1 h. Explain!

Mathematics
1 answer:
Shkiper50 [21]3 years ago
6 0

Answer:

didn't I explain how to do it

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What is the area of the parllelogtam shown below
Umnica [9.8K]
<h3>Answer: 16 square units</h3>

Let x be the height of the parallelogram. Right now it's unknown, but we can solve for it using the pythagorean theorem. Focus on the right triangle. It has legs a = 3 and b = x, with hypotenuse c = 5

a^2 + b^2 = c^2

3^2 + x^2 = 5^2

9 + x^2 = 25

x^2 = 25-9

x^2 = 16

x = sqrt(16)

x = 4

This is a 3-4-5 right triangle.

The height of the parallelogram is 4 units.

We have enough info to find the area of the parallelogram

Area of parallelogram = base*height

Area of parallelogram = 4*4

Area of parallelogram = 16 square units

Coincidentally, the base and height are the same, which isn't always going to be the case. The base is visually shown as the '4' in the diagram. The height is the dashed line, which also happens to be 4 units long.

6 0
3 years ago
2/3 of a number -11. Please help
vfiekz [6]

Answer:

(2/3)x = -11

x = -33/2

Step-by-step explanation:

2/3 of a number is -11.

Let the unknown number be x.

2/3 of x is -11.

(2/3)x = -11

Multiply both sides by 3/2.

(3/2)(2/3)x = (3/2)(-11/1)

x = -33/2

8 0
4 years ago
If a rotation takes triangle CAT to C'A'T', what is C'T'?
xxMikexx [17]
I think it is negative 1 I’m not sure tho
7 0
3 years ago
What is 20% off 59.00?
Kaylis [27]
Step 1. convert percent to decimal form -- 20%=0.20

step 2. multiply percent decimal form to whole value -- 0.20*59.00

step 3. ???

step 4. profit
7 0
3 years ago
Read 2 more answers
The vertices of a triangle are A(7,5) B(4,2) and C(9,2) what is mABC
shutvik [7]

Answer:

A(7,5)

Step-by-step explanation:

This is correct because the area of a triangle is b × h = a.

6 0
3 years ago
Read 2 more answers
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