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3 years ago

YOOOO!!! please help me out!!??

Mathematics

1 answer:

Zigmanuir [339]3 years ago

7 0

Answer:

I really hope it will help you....

Step-by-step explanation:

Answer1-we can see that in last two hours the line is downwards so we can easily proof or see that at 11th and 12th are the temperature is lowest.

Answer2-in second one we can see that in hour 1,2,3,4 the temperature has kept on increasing.

Answer 3- between three or four temperature of increasing.

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What is the degree of the monomial -9x^4?

devlian [24]

Answer:

4 because 4 is the exponent

Step-by-step explanation:

3 0

3 years ago

Mariana averaged 80 on her first three math exams. The first score was 86. The second score was 74. What was the third exam scor

Anna71 [15]

The three scores are 86, 74, and an unknown score x. The average (i.e. the sum divided by how many there are) is 80, so we have

$\dfrac{86+74+x}{3}=80$

Multiply both sides by 3 and you get

$160+x=240$

Subtract 160 from both sides to get

$x=240-160=80$

Note: you could solve this exercise very quickly if you notice that the two numbers, 86 and 74, are symmetrical with respect to 80, which is the average. So, the third number must be the average.

6 0

3 years ago

Best explained and correct answer gets brainliest!

sertanlavr [38]

Same side, interior angles of parallel lines cut by a transversal are supplementary.
The sum of the measures of supplementary angles is 180.

Angles 4 and 6 are same side, interior angles, so their measures add to 180.

m<4 + m<6 = 180

109 + m<6 = 180

m<6 = 180 - 109

m<6 = 71

Answer: m<6 = 71 deg.

8 0

3 years ago

Approximate square root of 39 to the nearest whole number

Dominik [7]

It is about 6.24 so it rounds to 6

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3 years ago

Write the standard equation of a circle with center (0,0) and radius 7

lana66690 [7]

Answer:

x^2 + y^2 = 49

Step-by-step explanation:

For center (h,k) and radius r, eqution of the respective circle is

(x-h)^2 + (y-k)^2 = r^2

7 0

4 years ago

Read 2 more answers