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artcher [175]
3 years ago
8

Help me with algebra

Mathematics
1 answer:
Keith_Richards [23]3 years ago
8 0
20 because 70 divide by  = 35
You might be interested in
Help please algebra 8th grade need to finish ASAP!!
tangare [24]
It's 4 because it is on the exterior.
6 0
3 years ago
Each regular polygon has radil and apothem as shown. Find the measure of each numbered angle. ​
ruslelena [56]

Answer:

∠5 = 60°

 ∠6 = 30°

 ∠7 = 120°

Step-by-step explanation:

Since the polygon is regular, you know that the central angle (7) is 1/3 of the circle, or 120°. The angle 5 is half that measure, so is 60°, and the angle 6 is the complement of angle 5, so is 30°. (Angle 6 is also half the inscribed angle at each vertex, said inscribed angle being 120°/2 = 60°.)

 ∠5 = 60°

 ∠6 = 30°

 ∠7 = 120°

4 0
2 years ago
Does this set of ordered pairs represent a function? Why or why not?
belka [17]

Answer:

A

Step-by-step explanation:

Recall that for a function to be valid, each input value of x must give us one and only one unique output  value for y.

in this case we can see that one of the data sets is (3,-1)

which means that an input of 3 gave an output of -1

but we also see that another data set (3,1)

in this case an input of 3 gave an output of 1.

Because the same x input gives 2 different y outputs, this is not a function.

the answer is A

3 0
3 years ago
Explain how you can use multiplication to find the quotient 3/5 divided by 3/15. then evaluate the expression.
umka21 [38]
Try cross multipling
4 0
3 years ago
solve for b 1/4(b-8)=2. I hope you have time to answer this. Thank you so much for your time you guys make me so happy
Mademuasel [1]

Answer:

16

Step-by-step explanation:

1/4(b-8)=2

b-8=2/(1/4)

b-8=2(4/1)

b-8=8

b=8+8

b=16

8 0
3 years ago
Read 2 more answers
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