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GuDViN [60]
3 years ago
14

Help you don’t have to explain

Mathematics
1 answer:
kolezko [41]3 years ago
6 0

Answer:

-4

Step-by-step explanation:

umm you might want to learn this. I cheated in middleschool/ highschool and was an honor student. I am barely surving college though, you'll need math for your general education requirement.

You might be interested in
Please Help!!! I have to finish this very soon!
Finger [1]

Answer:

119

Step-by-step explanation:

62+57 = 119

8 0
3 years ago
How many solutions does the system formed by x - y = 3 and ay + 3a = 0 have for a non zero number a? Explain and show how you ge
dlinn [17]
Solve both equations for y:
x-y=3 \ \ \ |-x \\
-y=-x+3 \ \ \ |\times (-1) \\
y=x-3 \\ \\
ay+3a=0 \ \ \ |-3a \\
ay=-3a \ \ \ |\div a, a \not= 0 \\
y=-3

Set the expressions equal to each other:
y=y \\ x-3=-3 \ \ \ |+3 \\
x=0 \\ \\
(x,y)=(0,-3)

So, for every nonzero number a the system of equations has one solution.
4 0
3 years ago
The temperature last Monday was 32˚F at 8:00 am. During the next hour it dropped to 24˚F. What was the percent decrease?
jek_recluse [69]

Answer:

The percentage decrease in the temperature is 25%.

Step-by-step explanation:

The temperature last monday was =32°F

The dropped temperature during the next hour=24°F

The Percentage decrease in the temperature will be=\frac{32^{{\circ}}-24^{{\circ}}}{32}{\times}100

=\frac{8}{32}{\times}100

=0.25{\times}100

=25%

7 0
4 years ago
Harriet has 3/4tanks of gas left in her car .if she needs 1/4 tank to go to her friends house and another 1/4 tank to get back h
givi [52]
Yes, because 1/4 plus 1/4 equals 2/4 (or 1/2) and 3/4-2/4 equals 1/4.

7 0
3 years ago
6. Solve the following equation for y.<br> 3x - 4y = 6
11Alexandr11 [23.1K]

Answer:

3x−4y+−3x=6+−3x

−4y=−3x+6

Step 2: Divide both sides by -4.

−4y

−4

=

−3x+6

−4

y=

3

4

x+

−3

2

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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