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AURORKA [14]
3 years ago
12

The temperature on a winter night was -23 °F. The temperature rose by 5 °F when the sun came up. When the sun set again, the tem

perature dropped by 7 °F. Write and evaluate an expression to find the temperature after the sun set.
Mathematics
2 answers:
trapecia [35]3 years ago
6 0
I'm pretty sure the answer is -35 ......... I hope it helps
Zigmanuir [339]3 years ago
4 0
Winter night then the temp rose
-23 + 5 = -18
But when sunsets, the temperature drops
-18 + (-7) = -25
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If x=-6, which inequality is true ??<br>​
Gelneren [198K]

<em>Answer:</em>

The inequality that is true is -5 - 3x > 10.

<em>Step-by-step explanation:</em>

if x = -6

we can subtitution x to every inequality, so :

-5 - 3x > 10

-5 - 3(-6) > 10

-5 - (-18) > 10

-5 + 18 > 10

13 > 10 [true]

-3 - 5x < -14

-3 - 5(-6) < -14

-3 - (-30) < -14

-3 + 30 < -14

27 < -14 [false]

2 - x < -3

2 - (-6) < -3

2 + 6 < -3

8 < -3 [false]

So if x=-6, inequality true is -5 - 3x > 10.

<em>If this was helpful, please mark brainliest. Have a beautiful day. </em>

4 0
3 years ago
Which of the following linear inequalities matches the given graph below?
frozen [14]

Answer:

O y > 4

Step-by-step explanation:

The dotted line indicates the line is not part of the inequality, and it is clearly greater than 4.

8 0
2 years ago
Which of the following is a multiple of 2?
AveGali [126]
The answer is D. 1000
5 0
3 years ago
Read 2 more answers
How do you graph y=-3x-3
netineya [11]

Answer:you go to negative (0,-3) on the y axis then u go down by 3 and then over by 1 and keep doing that to form ur line

Step-by-step explanation:

5 0
3 years ago
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William bought some tickets to see his favorite singer. He bought some adult tickets and some children’s tickets, for a total of
Fantom [35]
Set x as adult tickets.
Set y as children's tickets.
x + y = 15
30x + 20y = 270
Solve for x in the first equation.
x + y = 15
x = 15 - y
Plug this into the second equation.
30x + 20y = 270
30(15 - y) + 20y = 270
450 - 30y + 20y = 270
450 - 10y = 270
-10y = -180
y = 18
If there is 18 childrens tickets, there should be -3 adult tickets.
This is impossible, and this impossible answer occured because the question is written wrong.
There are a total of 15 tickets
The smallest costing ticket is the childrens ticket, which costs 20$.
If he only bought children tickets, this would be 20x15 which is 300$.
300$ is over 270$, which makes the question impossible.
8 0
3 years ago
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