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zzz [600]
3 years ago
12

Help with following questions please.

Mathematics
1 answer:
s344n2d4d5 [400]3 years ago
5 0
You need 2-7 all answered ?
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The vertex of this parabola is at (-2, 5). Which of the following could be its equation?
LenKa [72]

Answer:

y=3(x+2)^2+5

Step-by-step explanation:

The vertex is (p, q) where the "p" value is the x-coordinate of the vertex and the "q" is the y-coordinate of the vertex.

Given the vertex (-2, 5) the "p" here is -2 and "q" here is 5, so plugging into the vertex form we get y=3(x+2)^2+5

5 0
3 years ago
The ages of two groups of dance students are shown in the following dot plots: A dot plot shows Age in years on the horizontal a
lutik1710 [3]
I did the test. The answer is "Group X has less variability in the data."
3 0
3 years ago
Read 2 more answers
How do you write 999.9% as a decimal?
Hoochie [10]

Answer:

9.999

Step-by-step explanation:

3 0
3 years ago
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What is the area of the triangle?<br> 16<br> 8<br> 10
sertanlavr [38]

Answer:

64

Step-by-step explanation:

Find the area of both triangles inside the bigger triangle and add them together.

Use the Pythagorean theorem to find the missing length of the leg in the smallest triangle:

a² + b² = c²

8² + b² = 10²

64 + b² = 100

36 = b²

6 = b

Calculate the area of the smaller triangle:

1/2(<em>b</em>x<em>h</em>)

1/2(6 x 8)

1/2(48)

24

Calculate the area of the bigger triangle:

<em>We know that the longer leg is 10 units because we were able to subtract the length of the smaller triangle's leg from 16.</em>

1/2(<em>b</em>x<em>h</em>)

1/2(10 x 8)

1/2(80)

40

Add both areas to find the area of the largest triangle:

40 + 24 = 64

3 0
3 years ago
Please please help I give you brainliest ​
Vika [28.1K]

Answer:

-1 - 6 + 3

Step-by-step explanation:

hope this helps

3 0
3 years ago
Read 2 more answers
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