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romanna [79]
3 years ago
14

Which expression shows the increase in average temperature, t, from February to March?

Mathematics
2 answers:
Lemur [1.5K]3 years ago
7 0
I think the answer is c
SSSSS [86.1K]3 years ago
5 0
The answer will be B. 27+t=37 because the temperature is increasing in other words adding.
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Is Is y=2x+7 proportional?
inn [45]

Answer:

no

Step-by-step explanation:

Proportional must go through (0,0)

0 = 2(0) +7

0 = 7

This is not true so this is not proportional

7 0
3 years ago
What is 0.6 repeating simplified in a fraction
sineoko [7]
The answer is 2/3.

hope this helps!
3 0
3 years ago
A recent poll of 80 randomly selected Californians showed that 38% ( = 0.38) believe they are doing all that they can to conserv
Elanso [62]
The margin of error given the proportion can be found using the formula

z* \sqrt{ \frac{p(1-p)}{n} }

Where
z* is the z-score of the confidence level
p is the sample proportion
n is the sample size

We have
z*=2.58
p=0.38
n=80

Plugging these values into the formula, we have:
2.58 \sqrt{ \frac{0.38(1-0.38)}{80} } =0.14

The result 0.14 as percentage is 14%

Margin error is 38% ⁺/₋ 14%
8 0
3 years ago
Read 2 more answers
If x => y and y => z, which statement must be true?
Kruka [31]

The operator \geq is transitive, which means exactly that

x \geq y,\quad y\geq z \implies x \geq z

That's the only thing you can deduce from your statement.

6 0
4 years ago
Tickets to a concert cost $2 for children and $5 for adults. If 630 people attended the concert and the ticket sales totaled $2,
sergeinik [125]
A) C + A = 630
B) 2C + 5A = 2,910  Multiplying A by -2
A) -2C -2A = -1,260 Then adding it to B
B) 2C + 5A = 2,910 
3A = 1,650
A = 550

A) C + 550 = 630
Children's tickets = 80



8 0
3 years ago
Read 2 more answers
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