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butalik [34]
3 years ago
11

Please help me thank you!

Mathematics
1 answer:
Mazyrski [523]3 years ago
3 0
3. 9a+9b
4. 3n+21
5. 30+2q
6. ab+8a
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four-fifths of the senior class went to prom. if 324 seniors went to prom, how many are there in the senior class
romanna [79]

The answer to your question is 405, because look divide 324 by 4 becasue thats how many fifths are being used then multiply the answer which is 81 by 405

3 0
3 years ago
One angle of a right triangle measures 70 degrees. What is the other acute angle?
Sunny_sXe [5.5K]

Answer:

20 degrees

Step-by-step explanation:

A triangle's angles should 180 degrees added together, so 90 + 70 = 160, leaving 20 for the last angle.

4 0
3 years ago
A survey of students in a school showed 1/2 of the students exercise regularly, 2/5 of the students exercise occasionally and th
Rashid [163]

Answer:

1/10 do not exercise at all.

Step-by-step explanation:

That would be 1 - 1/2 - 2/5

=  10/10 - 5/10 - 4/10

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5 0
3 years ago
Drag each label to the correct location on the table. Each label can be used more than once, but not all labels will be used.
Natalka [10]

Answer:

what lable i dont see nothing

Step-by-step explanation:

7 0
3 years ago
If f(x) =2x²-x, find f(-4)-f(9)​
sergeinik [125]
F(-4) = 36
f(9) = 153
3 0
3 years ago
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