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inysia [295]
4 years ago
9

Math question help me

Mathematics
1 answer:
alukav5142 [94]4 years ago
4 0
The answer is the second one
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What is the slope of the two points (-2,7) and (4,-8)
labwork [276]

Answer:

-15/6

Step-by-step explanation:

If you look at the first number in each point, the x coordinate, you see the 2nd point is 6 forward from the 1st point. Now the 2nd number is the y coordinate, and you can see it goes down 15 from the 1st coordinate. So y/x is the slope.

4 0
3 years ago
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Find the circumference of the circle. Round to the nearest tenth if necessary.
NikAS [45]

Answer:

c.132

Step-by-step explanation:

so we are given the diameter which is 42m **the diameter is the straight line that passes through the middle of the circle**

but in order to find the circumference we need to find the radius **the radius is always half (1/2,0.5) of the diameter**

so we have to divide 42/2 which equals 21

now we need to set up the formula;

c=2πr/c=2xπxr  **when unknown variables such as 'r' are next to another mathematical numeral such as the pi symbol you don't really have to but the multiplication symbol between them**

c=2π21

=131.946891451

and in your case, it seems we must round to the tenths place so the nine then "becomes a ten" and you're left with 132

good luck :)

i hope this helps

have a good one !!

6 0
3 years ago
Teresa sells beaded necklaces. Each large necklace sells for $5.70 and each small necklace sells for $5.10. How much will she ea
Kitty [74]

Answer:

$27.90

Step-by-step explanation:

Step 1: Find how much 4 large necklaces will cost

$5.70 * 4 = $22.80

Step 2: Add the cost of 4 large necklaces to the price of 1 small necklace

$22.80  + $5.10 = $27.90

5 0
3 years ago
I dont know what to do. what should I do?
Lady bird [3.3K]

Answer:

play outside or play inside

Step-by-step explanation:

8 0
3 years ago
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What is 11 1/2 - 9 1/2​
EleoNora [17]
I calculated the problem you have posted and the answer that I got is “2” ‍♂️
4 0
3 years ago
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