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kramer
2 years ago
9

Need help with 4 questions

Mathematics
1 answer:
Galina-37 [17]2 years ago
3 0

Answer:

uh

Step-by-step explanation:

You might be interested in
of the 50 students particapating in after school sports ,30% of them turned them in .How many students turned in their physical
Readme [11.4K]

Answer:

15

Step-by-step explanation:

30% of 50 is 15 beacuase 50 is 1/2 of 100, and of 100 students 30 would have submtted forms. 1/2 of 30 is 15 which s the number of students that turned n forms

7 0
3 years ago
Someone please solve this. no where is an answer to this
serg [7]

Answer:

a=-8/5

Step-by-step explanation:

  (-1/2a-5)=3a+1

To find the opposite of  1/2 a−5, find the opposite of each term.

-1/2a-(-5)= -3a+1

The opposite of −5 is 5.

-1/2a+5=-3a+1

add 3a to both sides

-1/2a+5+3a=1

Combine-1/2and 3a to get 5/2a

5/2a+5=1

Subtract 5 from both side

5/2a=1-5

Subtract 5 from 1 to get −4.

5/2a=-4

Multiply both sides by 2/5 =0.4, the reciprocal of  5/2=2.5.

a=-4x(2/5)

express -4x(2/5)=1.6 as single  fraction.

a= -4x2/5

Multiply −4 and 2 to get −8.

a=-8/5

Fraction −8/5 ≈−1.6 can be rewritten as −8/5 =−1.6 by extracting the negative sign.

a=-8/5

8 0
3 years ago
Find the quotient. The answer must be a proper fraction simplest form.<br> 4 13 ÷ −3 16
DerKrebs [107]

Answer:

5 or 5/1

Step-by-step explanation:

did the math, this is the result. Not sure if it's right, correct me if I'm wrong

5 0
3 years ago
(5x - 2y + 1) - (7x - 3y - 4)​
Debora [2.8K]

Answer:

-2x - (-1y) - (-3)

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Please help me with this
rusak2 [61]

Answer: It would be the second answer that says SSS.

Step-by-step explanation: Side MK and MN are congruen. Side JN and JK are also congruen. Since both triangles share the line MJ, it’s congruent based on the reflexive property.

4 0
3 years ago
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