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Nataly [62]
3 years ago
5

Right answer gets brainlist

Mathematics
2 answers:
nadezda [96]3 years ago
7 0

Answer:

19

Step-by-step explanation:

vagabundo [1.1K]3 years ago
7 0

Answer:

706.86

Step-by-step explanation:

V = πr2h = π * 5² * 9 = 706.85835

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Find (-2)<br>f(x)=2x² – 3x +6<br>29 ponits​
krek1111 [17]

Answer:

f(-2) = 20

Step-by-step explanation:

f(x) = 2x² - 3x + 6

f(-2) = 2(-2)² - 3(-2) + 6

= 2(4) + 6 + 6

= 8 + 12

= 20

3 0
3 years ago
Nadia says the hypotenuse of this right triangle has a length of 73 because the Pythagorean theorem states that (28 + 45) square
masya89 [10]

Answer:

C :She is incorrect because she should have squared each leg length and then found the sum

4 0
4 years ago
Read 2 more answers
2+2=<br> What is they answer to this question
ohaa [14]
2 + 2 = 4
4 is the answer :)
6 0
4 years ago
(HELP ASAP!)<br>Which postulate or theorem proves △HJZ∼△WJR ?
Tomtit [17]

Answer:

SAS Similarity Theorem

Step-by-step explanation:

we know that

<u>SAS Similarity Theorem</u>: States that if two sides in one triangle are proportional to two sides in another triangle and the included angle in both are congruent, then the two triangles are similar

In this problem

∠HJZ=∠RJW ----> by vertical angles

and

WJ/HJ=JR/JZ

substitute the values

8/4=6/3

2=2 ----> is true

so

Two sides of triangle HJZ are proportional with the two corresponding sides of triangle WJR and the included angle is congruent

therefore

Triangles are similar by SAS Similarity Theorem

8 0
4 years ago
The value of y varies directly with x. If x = 7, then y = -40. What is the value of x when y = 51?
andrew-mc [135]

Introduce a constant,

let it be (k)

Y=KX

-40 = K(7)

K= -5.7

Then,

Y =KX

51= -5.7(X)

X = -8.95~-9

5 0
3 years ago
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