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Tamiku [17]
3 years ago
11

Five students are asked to randomly select and name a polygon from the group shown below. what is the probability that the first

two student choose the triangle and quadrilateral, in that order
Mathematics
1 answer:
Yanka [14]3 years ago
8 0

Answer:

is it 2/5 I could be wrong

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oshua wants to buy a flat-screen TV that costs $625. He saves $62.50 each week to buy the TV. In how many weeks will he have eno
oee [108]

Answer:

ten weeks

Step-by-step explanation:

62.50 multiped by 10 moves the decimal over 1 to the right which makes it 625 :)

4 0
2 years ago
If nkf ~ lzf, find nf, please help me with this it’s due tmr!!!!
Ratling [72]

Answer:

NF = 25

Step-by-step explanation:

Since ∆NKF ~ ∆LZF, the ratio of their corresponding side lengths would also be the same.

This means that:

KF/ZF = NF/LF

KF = x + 3

ZF = 4

NF = 15 + x + 3 = x + 18

LF = x + 3

Plug in the values into the equation

(x + 3)/4 = (x + 18)/(x + 3)

Cross multiply

(x + 3)(x + 3) = (x + 18)(4)

x² + 3x + 3x + 9 = 4x + 72

x² + 6x + 9 = 4x + 72

x² + 6x + 9 - 4x - 72 = 0

x² + 2x - 63 = 0

Factorize to find x

x² + 9x - 7x - 63 = 0

x(x + 9) -7(x + 9) = 0

(x + 9)(x - 7) = 0

x + 9 = 0 or x - 7 = 0

x = -9 or x = 7

We'd use the positive value of x, which is 7.

Therefore, x = 7.

✅NF = 15 + (x + 3)

Plug in the value of x

NF = 15 + (7 + 3) = 15 + 10

NF = 25

3 0
3 years ago
Please help and add explanation:)
Anni [7]

Answer:

NO

Step-by-step explanation:

The above image shows two triangles. if we look at the top triangle, we notice it's two sides are equal (16 and 16). We therefore have an isosceles right triangle.

looking the second triangle, we notice that one side is 39, the other 40. Since these are the two sides joined at the point of intersection for the two images, and since 39 does not equal 40, the second triangle cannot be an isosceles right triangle. We conclude that the two triangles are not similar.

8 0
3 years ago
[NEED HELP]
Alinara [238K]

Answer:

1. vertical-line test

2.y=x

3.x

4.domain

Step-by-step explanation:

I just did it on edg and it’s right.

3 0
4 years ago
Read 2 more answers
What two integers have a product of -35 and a sum -2
vovangra [49]

-7 and 5. The product would be -35 and the sum -2.

Hope this helps

8 0
4 years ago
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