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2 years ago

7

Hey guys! Sorry to bother but I need help with these. 5th grade math, will give brainliest! (If you see multiple questions by me

that look the same, they are all different.)

1 answer:

Delicious77 [7]2 years ago

6 0

Answer:

1/36 and 1/28

Step-by-step explanation:

i believe this is the answer as you should divide the denomonator by the answer as you cannot divide the numerator.

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Help please! I asked this question three times and my session is about to start I really need to submit it.

hodyreva [135]

Answer: 13) 6

I dont know 16 or 17

19) 33

Step-by-step explanation:

5 0

2 years ago

What is the answer to -5x+5y=-10 and 3x-3y=5 using substitution

IceJOKER [234]

Answer:

for the 1st one the answer is x= 3 y=1 and the second one is x= 5 and y = 3 and 1/3

Step-by-step explanation: so basically for the first one -5 times x which is 3 is -15 right? and then 5 times y which is 1 is 5 right so -15 plus 5 = -10

second one is x = 5 and y = 3 and 1/3 because 5*x which is 5 is = to 15 right? and then 3 times y which is equal to 3 and 1/3 is equal to 10 which when you do 15-10 in pretty sure it equals 5 correct me if im wrong

Hope this helps xD ;)

7 0

3 years ago

a trapezoid with base measure of 23 km and 29km an area of 390km . find the height of the trapezoid.

cupoosta [38]

Hello!

To find the area of a trapezoid you use the equation

$A = \frac{a+b}{2} h$

Put in the values you know

$390 = \frac{23+29}{2} h$

Add

$390 = \frac{52}{2} h$

Divide

$390 = 26 * h$

Divide both sides by 26

15 = h

The answer is 15km

Hope this helps!

3 0

3 years ago

Read 2 more answers

Which expression is equivalent to 2.3 multiply 2.3 multiply 2.3 multiply 2.3 multiply2.3?

777dan777 [17]

Answer:

C 2. 35

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

If U = { 1 , 2 , 3 , 4 , 5 ,6 , 7 , 8 , 9 }. A={1 , 2 , 3 , 4 } , B= {2 , 4 , 6 , 8 } .Find

Zina [86]

Answer:

(A - B)' = {2, 4, 5, 6, 7, 8, 9}

(A n B) = {2, 4}

Step-by-step explanation:

Given the set :

U = { 1 , 2 , 3 , 4 , 5 ,6 , 7 , 8 , 9 }

A={1 , 2 , 3 , 4 } , B= {2 , 4 , 6 , 8 }

(A - B) = elements of A which are not in B

(A - B) = {1, 3}

(A - B)' = the complement of A - B ; element in the universal set which are not in A - B

(A - B)' = {2, 4, 5, 6, 7, 8, 9}

(A n B) = elements in both set A and set B

(A n B) = {2, 4}

4 0

2 years ago