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Fynjy0 [20]
3 years ago
10

-(-(-)(-)(-10x))=-5 solve for x.

Mathematics
1 answer:
xeze [42]3 years ago
3 0

Answer:

C

Step-by-step explanation:

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I need to show work and Idk how for 2 or 3. The -5,-2 and 8,3 is the answers just need work shown thanks
prisoha [69]
#2
2x - 4y = -2
2x + 3y = -16
------------------subtract
-7y = 14
y = 14/-7
y = -2

2x - 4y = -2
2x - 4(-2) = -2
2x + 8 = -2
2x = -2 -8
2x = -10
x = -10/2
x = -5
answer x = -2 and y = -5

check:

2(-5)- 4(-2) = -2
-10 +8 = -2
-2 = -2.....true

2x + 3y = -16
2(-5)+3(-2) = -16
-10 + (-6) = -16
-16 = -16...true


3 0
3 years ago
A circular running track is 1/4 of a mile long Elena runs this track completing each lap in 1/20 of an hour what is her speed
PSYCHO15rus [73]

Answer:

The speed is equal to 5\frac{mi}{h}

Step-by-step explanation:

we know that

The speed is equal to divide the distance by the time

Let

x------> the distance in miles

y-----> the time in hours

s----> the speed in mph

so

s=\frac{x}{y}

In this problem we have

x=(1/4)\ mi

y=(1/20)\ h

substitute

s=\frac{(1/4)}{(1/20)}=20/4=5\frac{mi}{h}

3 0
3 years ago
Write a compound inequality for the following statement:
iren2701 [21]

Answer:

-42 ≤ x ≤ 102

Step-by-step explanation:

Compound from the fact that we're combining x≤42 and x≤102.

5 0
3 years ago
Read 2 more answers
HELP SAVE ME I NEED U GIRL
sveta [45]

Answer:

pretty sure it would be 42 degrees. angle 3 and 7 would have the same value as well

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
Help me idk what these are
ryzh [129]
1. is 23

2. is 29

3. is A

4. is A
4 0
3 years ago
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