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Fantom [35]
3 years ago
9

Find the value of this expression if x = 1 and y = -7

Mathematics
1 answer:
Over [174]3 years ago
7 0

Answer:

-7/-9

Step-by-step explanation:

plug it in

1 times 1 equals 1

and 1 times -7 is -7

So the answer is -7/-9

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8x – 9y = –61<br> x +9y = 43<br> what is the y coordinate?
marishachu [46]

Answer:

The answer is y=5

Step-by-step explanation:

9x=-18

x=-2

-2+9y=43

9y=45

y=5

4 0
3 years ago
*A triangle has sides 42, 4x, and 2x−6. What is the possible range of x?
scoray [572]

Answer:

<h2>The Possible range for x is : ]8 , 18[</h2>

Step-by-step explanation:

To can draw this triangle if:

4x - (2x - 6) < 42 < 4x + (2x - 6)

solve inequality 1 :

4x - (2x - 6) < 42 ⇔ 2x + 6 < 42 ⇔ 2x < 36 ⇔ x < 18 (1)

Solve inequality 2 :

42 < 4x + (2x - 6) ⇔ 42 < 6x - 6 ⇔ 48 < 6x ⇔ 8 < x (2)

from (1) and (2) we deduce that : 8 < x < 18

3 0
3 years ago
The population, p, of a town after t years is represented using the equation p=10000(1.04)^-t Which of the following is an equiv
Lisa [10]

Answer:

p=10000(26/25)t

Step-by-step explanation:

Considering that the population, p, of a town after t years is represented using the equation p=10000(1.04)^-t

The equation is equivalent to p=10000(26/25)t, because;

26/25 = 1.04

Hence; p=10000(26/25)t =p=10000(1.04)^t

3 0
3 years ago
Read 2 more answers
Which one of the following statements contains a quotient
Assoli18 [71]
You didn’t list any statements
5 0
3 years ago
A coordinate plane is shown.
frutty [35]

Answer:

The answer is C

Step-by-step explanation:

First you would start at the origin then move 3 units to the right then move 6 units up then that is your point

8 0
3 years ago
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