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erik [133]
3 years ago
5

Please help! Will give brainliest answer

Mathematics
2 answers:
Snowcat [4.5K]3 years ago
6 0
They are B. supplementary.

Why?

Because consecutive adjacent angles that form a linear pair (a line) are supplementary. They have a total of 180°.
sergiy2304 [10]3 years ago
3 0
You answer is B because supplementary is 180°
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two men start from 2 places 600km apart and travel towards each other, the first travelling 5km/h faster than the other. they me
Gekata [30.6K]
If they meet after 8 hours, then the sum of their average speeds is 600/8=75 km per hour.  If one is 5 km per hour faster than the other, then if we set the speed of the slower man to x, we have:

2x+5=75

So:

2x=70

x=30

The fastest man is 5 km per hour faster than the slower, so he travels 35 km per hour.
8 0
4 years ago
R=x^2/y
Schach [20]

Step-by-step explanation:

Your work is correct, but you need to round.  x and y have 2 significant figures, so round your final answer to 2 significant figures:

2.4×10⁶

7 0
3 years ago
Solve this step by step using the quadratic function <br> y=x^2 +x+2
Ne4ueva [31]

Answer:

x=<u>+</u>\frac{\sqrt{4y-7}-1 }{2}

Step-by-step explanation:

Quadratic function =( -b<u>+</u>\sqrt{b^2+4ac}  )/2a

x^2+x+2-y=0

x=-1<u>+</u>\sqrt{1^2-4(2-y)} /2

x=-1<u>+</u>\sqrt{4y-7} /2

x=<u>+</u> \frac{\sqrt{4y-7}-1 }{2}

Pretty sure this is right. Would appreciate a brainliest

3 0
3 years ago
If 7 is subtracted from the product of 3 and a number, the result is 5 more than the number.
guajiro [1.7K]
If you subtract 3-7 and add 9 to it the result is 5. 3-7+9=5
8 0
3 years ago
40 POINTS PLEASE HELP Joe and Bill are working on building a stone wall that will be 120 feet long. Joe works from one end and i
andrew-mc [135]

Answer:

26.67 hours or 26 hours and 40 minutes.

Step-by-step explanation:

To find out how long will it take for Joe and Bill to finish building the wall together, first find their individual work rates in feet per hour:

Bill:

B = \frac{10\ ft}{4 h} \\B = 2.5\frac{\ ft}{h}

Joe:

B = \frac{10\ ft}{5 h} \\B = 2.0\frac{\ ft}{h}

Their combined work rate is:

W =J+B\\W = 2.5\frac{\ ft}{h}+2.0\frac{\ ft}{h}\\W=4.5\frac{\ ft}{h}

Then, divide the total size of the wall by their work rate to find the time spent to finish it:

t = \frac{120\ ft}{2.5\frac{\ ft}{h}} \\t= 26.67\ h

3 0
4 years ago
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