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3 years ago

13

EXERCISE - 2.1

1 answer:

seraphim [82]3 years ago

8 0

Answer:

5

Step-by-step explanation:

the degree is 5

As degree means the largest exponent of a term

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The measure of angle A is 4 degrees greater than the measure of angle B. The two angles are complementary. Find the measure for

Elenna [48]

Sorry but i only know the answer for the 1st question.
--------------------------
If the angles are complementary they measure 90°.
1st find half of 90
which is 45.
Find 4 more than 45.
which is 49°
then subtract 90-49=41
so the measurement of the 2 angles are
49 and 41
Hope it helps!!

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3 years ago

Complete the equation of the line through (-9,-9) and (-6,0)

Rudik [331]

For this case we have that by definition, the equation of the line of the slope-intersection form is given by:

$y = mx + b$

Where:

m: It is the slope of the line

b: It is the cut-off point with the y axis.

According to the data of the statement we have the following points:

$(x_ {1}, y_ {1}): (- 9, -9)\\(x_ {2}, y_ {2}): (- 6,0)$

We found the slope:

$m = \frac {y_ {2} -y_ {1}} {x_ {2} -x_ {1}} = \frac {0 - (- 9)} {- 6 - (- 9)} = \frac { 9} {- 6 + 9} = \frac {9} {3} = 3$

Thus, the equation is of the form:

$y = 3x + b$

We substitute one of the points and find b:

$0 = 3 (-6) + b\\0 = -18 + b\\b = 18$

Finally, the equation is:

$y = 3x + 18$

Answer:

$y = 3x + 18$

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MArishka [77]

Answer:

First find the circumference by pi r squared.

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C) is the answer!!!!!!!

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1) 2.4

2) 6.4

3) 7.7

4) 9.9

5) 2.8

Hope it helps <3

Just basic simplification, make 1 of the variable alone on one side

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3 years ago