MATHEMATICS MIDDLE SCHOOL

How do I solve this

Answers

Answer 1

Answer:

Answer:

-17z + 15a

Step-by-step explanation:

can't be simplied

answer:

-17z + 15a

Answer 2

Answer:

Just answering because the thing says I have to

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I desperately need help with this question????? I got 2 different answers and don't know which one is right. So please help me here is the question Students from three classes at Hudson valley elementary school are planning a boat trip. On the trip there will be 20 students in each class along with 11 total teachers and 13 total parents. Each boat seats 10 people. How many boats will they need to rent? Explain how you solved the problem

Answers

each class has 20 students

3 classes // 20 x3= 60

60 students + 11 teachers+13 parents = 84 people total

as you cant put half people in boats you round up to 90

meaning you would need 9 boats to have enough space for all of them xx

hope this helped x

They will need to rent 5 boats. 20+11+13=44 and each boat seats 10 people so 44÷10= 4 remainder:4 and you cant keave 4 people out they need another boat.

max said that 36594 is less than 5980 because 3 is less then 5 describe max's error and give the correct answer

Answers

He was wrong because, although three is greater than five, the value of the three is in the ten thousands place, while the five is in the thousands place. Therefore, the correct answer would be that 36594 is greater than 5980.

A ball is thrown into the air from a height of 9cm above the ground, and its height is given by S=128+32t-16t^2, where t is the time in seconds1) find the values of t that makes S=0.
2) Do both of the values of t have meaning for this application? Explain why

Answers

-16t² + 32t + 128 = 0
-16t² + 64t - 32t + 128 = 0
-16t(t - 4) - 32(t - 4)
(-16t - 32)(t - 4) = 0
-16t -32 = 0 t - 4 = 0
-16t = 32 t = 4
t = -2

t = -2 and t = 4 are the values that makes S = 0.
Yes, because if you apply either of these values alone, S will be 0.

Can you please help me with this

Answers

Well there are no specific numbers, but the area of a rectangle is the length x the width, and the width is the area ÷ the length.

Trina's teacher asked her to explain the division problem 48 ÷ 12. Which choice gives the correct explanation?A) Break 4 into 12 groups of 48. which one is it i am confused on it
B) Break 48 into 12 groups of 4.
C) Break 12 into 4 groups of 48.
D) None of these.

Answers

Answer: B) Break 48 into 12 groups of 4.

Step-by-step explanation:

Hi, to answer this question we have to analyze the information given.

48÷12

This expression means dividing the number 48 by 12, or in other words, break 48 into 12 groups of 4.

So, if we solve :

48÷12= 4

In conclusion, the correct option is B)Break 48 into 12 groups of 4.

Feel free to ask for more if it´s necessary or if you did not understand something.

B.) 48 has to be broken up into 12 to get 4

What is the missing reason in step 5A. Linear pair postulate

B. Givin

C. Definition of complementary angles

D. Congruent complements theorem

Answers

Answer:

(A) Linear pair postulate

Step-by-step explanation:

Given: AB intersects DE at point C.

To prove: ∠DCB≅∠ECA

Proof:

Statements Reasons

1. AB intersects DE at point C. given

2. ∠DCB and ∠BCE are a linear pair Definition of linear pair

3. ∠DCB is supplementary to ∠BCE Linear pair postulate

4. ∠BCE and ∠ECA are a linear pair Definition of linear pair

5. ∠BCE is supplementary to ∠ECA Linear pair postulate

Thus, from statement 2 and 5, we have

∠DCB+∠BCE=180° and ∠BCE+∠ECA=180°

⇒∠DCB+∠BCE=∠BCE+∠ECA

⇒∠DCB≅∠ECA

Hence proved

thus, option A is correct.

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