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Yuri [45]
3 years ago
8

How do we solve for x

Mathematics
1 answer:
blondinia [14]3 years ago
3 0
X/2 + 5 = -10
x/2 = -10 - 5
x/2 = -15
x = -15(2)
x = -30
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_ % of 4 is 7 someone pls help me
STALIN [3.7K]

Answer:

175% of 4 is 7

Step-by-step explanation:

i hope this helps

7 0
2 years ago
Which function has the range (-∞, 0) and a range of (2, ∞)?
kirill [66]

Answer:

y=sec(x) + 1

Step-by-step explanation:

The Sec(x) = 1/Cos(x) which has a minimum of +1 when positive, and -1 when negative.  Adding +1 to it gives a range of (-∞,0) and when negative (2,∞)

8 0
3 years ago
Read 2 more answers
Solve for 2 unknowns : 3a+4b=9 ; 2a+2b=6
BARSIC [14]
Let us take the second equation first
2a + 2b = 6
Dividing both sides by 2 we get
a + b = 3
a = 3 - b
Putting the value of a in the first equation we get
3a + 4b = 9
3(3 - b) + 4b = 9
9 - 3b + 4b = 9
b = 9 - 9
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Now putting the value of b in the second equation we get
a + b = 3
a + 0 = 3
a = 3
So the value of the unknown variable a is 3 and the value of the unknown variable b is 0.

3 0
3 years ago
A color printer prints 34 pages in 11 minutes. How many minutes does it take per page ?
Anna35 [415]

Answer:

3.0909090909 repeating

=3.09

Step-by-step explanation:

please mark me brainliest if this is right :)

5 0
3 years ago
Read 2 more answers
I’ll give 20 points for the ans and equation.
Hunter-Best [27]

Answer: I believe it would be 1.25, because 1.42 times 55000 is 78100, and 1.25 times 64000 is 80000, and 80000 is greater than 78100.

(not completely sure though, I'm not the brightest)

Step-by-step explanation:

5 0
2 years ago
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