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Illusion [34]
3 years ago
12

What is the value of the expression below when y = 7? 2y^2 + 9y + 2

Mathematics
1 answer:
exis [7]3 years ago
7 0

Answer:

163

Step-by-step explanation:

2*(7^{2}) +9(7)+2

2*(49)+9(7)+2

98+63+2

=163

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Rashawn read 25 pages of his book each day until he finished the book. his book was 400 pages long. which sketch represents this
bagirrra123 [75]

Answer:

It took 16 days

Step-by-step explanation:

400/25=16

3 0
3 years ago
Angle Sum Theorem - What does Y equal?
masha68 [24]

Answer:

90° = y

Step-by-step explanation:

This is a 30°-60°-90° triangle, so automatically, 30° = x, and 90° = y.

I am joyous to assist you anytime.

7 0
3 years ago
The first three terms of a geometric sequence are as follows.
pochemuha

Answer:

<u>The next two terms for the geometric sequence are - 108 and - 324.</u>

Step-by-step explanation:

1. Let's find the next two terms for the geometric sequence which first three terms are as follows:

- 4, 12, - 36.....

Aₓ = Aₓ₋₁ * 3 ; A₁ = - 4

A₁ = - 4

A₂ = A₁ * 3 = - 4 * 3 = - 12

A₃ = A₂ * 3 = - 12 * 3 = - 36

A₄ = A₃ * 3 = - 36 * 3 = - 108

A₅ = A₄ * 3 = - 108  * 3 = - 324

<u>The next two terms for the geometric sequence are - 108 and - 324.</u>

7 0
3 years ago
What is the percent increase when 7,200 increases by 1,800?
marusya05 [52]
The answer is 25 percent
7 0
3 years ago
A store has 80 modems in its inventory, 30 coming from Source A and the remainder from Source B. Of the modems from Source A, 20
RUDIKE [14]

Answer:

0.102

Step-by-step explanation:

The number of defective modems in the inventory is 20% * 30 + 8% * 0.50 =10 (out of 80)

Note that the number of defectives in the inventory is fixed i.e. we are told that there is 1/8 probability that a modem in the inventory is defective, but rather that exactly 1/8 of all modems are defective.

The probability that exactly two modems in a random sample of five are defective is :

(10↓2)(70↓3) / (80↓5) = 0.102

7 0
3 years ago
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