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ValentinkaMS [17]
3 years ago
11

I need help with this worksheet, if u don't know the answer please no reply please :(

Mathematics
1 answer:
storchak [24]3 years ago
5 0
1. SAS
2. SSS
3. SAS
4. AAS
5. SAS
6. SAS
7. AAS
8. ASA
9. SSS
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7th grade math help. Check answers too please
seraphim [82]

Answer: It looks correct to me !

Step-by-step explanation:

6 0
3 years ago
What is the result of adding 20 to -20?
tensa zangetsu [6.8K]

Answer:

ur answer is 0 lols

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Dilate a triangle with vertices (0,0), (0,2) and (2,0) using the scale factor k=3. What is the value of the ratio (new to origin
seropon [69]

Answer:

Part a) The ratio of the perimeters is 3

Part b) The ratio of the areas is 9

Step-by-step explanation:

Part A) What is the value of the ratio (new to original) of the perimeters?

we know that

If two figures are similar, then the ratio of its perimeters is equal to the scale factor

Let

z-----> the scale factor

x-----> the perimeter of the new triangle

y-----> the perimeter of the original triangle

z=\frac{x}{y}

we have

z=3

substitute

\frac{x}{y}=3

Part B) What is the value of the ratio (new to original) of the areas?

we know that

If two figures are similar, then the ratio of its areas is equal to the scale factor squared

Let

z-----> the scale factor

x-----> the area of the new triangle

y-----> the area of the original triangle

z^{2}=\frac{x}{y}

we have

z=3

substitute

\frac{x}{y}=3^{2}

\frac{x}{y}=9}

3 0
3 years ago
What’s the area of the rhombus?
miskamm [114]

Answer:

65ft² i guess

Step-by-step explanation:

using area of rombus diagonal=½*d1*d2

4 0
3 years ago
Find the average rate of change of f(x)=-x^2+2x+2 from x=2 to x=6. Simplify your answer as much as possible.
Eduardwww [97]

Answer:

- 6

Step-by-step explanation:

The average rate of change of f(x) in the closed interval [ a, b ] is

\frac{f(b)-f(a)}{b-a}

Here [ a, b ] = [ 2, 6 ] , then

f(b) = f(6) = - 6² + 2(6) + 2 = - 36 + 12 + 2 = - 22

f(a) = f(2) = - 2² + 2(2) + 2 = - 4 + 4 + 2 = 2 , then

average rate of change = \frac{-22-2}{6-2} = \frac{-24}{4} = - 6

8 0
2 years ago
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