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3 years ago

7

−1/2÷7 1/2 dividing fraction

1 answer:

harina [27]3 years ago

6 0

-0.0375

-1/2
———- ( 7 1/2 ) =-3/80
100

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Helen is helping plan a trip for three classes at her son's school. School rules say that classes on trips must have 1 adult for

seraphim [82]

So first I saw that u need 1 adult with every 6 children so I did 6*4 and got 24. From that I got 4 adults with 2 leftover children. For the other class which has 28 children, u would still need 4 adults. Now since u said the teacher is included as an adult only 3 more are needed for the trip, and that is your answer.

6 0

3 years ago

In parallelogram RSWY, find m

LuckyWell [14K]

Answer:

Part A) $m\angle R=110^o$

Part B) $m\angle S=70^o$

Step-by-step explanation:

we know that

In a parallelogram, opposite angles are congruent and consecutive angles are supplementary

step 1

Find the value of x

we know that

$m\angle R=m\angle W$ ----> by definition of parallelogram (opposite angles are congruent)

substitute the given values

$(5x-90)^o=(2x+30)^o$

solve for x

$5x-2x=30+90\\3x=120\\x=40^o$

step 2

Find the measure of angle R

$m\angle R=(5x-90)^o$

substitute the value of x

$m\angle R=(5(40)-90)=110^o$

step 3

Find the measure of angle S

we know that

$m\angle R+m\angle S=180^o$ ---> by definition of parallelogram (consecutive angles are supplementary)

we have

$m\angle R=110^o$

substitute

$110^o+m\angle S=180^o$

$m\angle S=180^o-110^o$

$m\angle S=70^o$

8 0

3 years ago

Solve 3-x=-9<br><br>A. x=12<br><br>B. X= -6<br><br>C. X= 6<br><br>D. x=-12

wel

Answer:

D x=-12

Step-by-step explanation:

3-x=-9

-9-3=x

-12=x

8 0

4 years ago

6 (-2g - 1) = (13g + 2) <br><br> what is g?

Natali5045456 [20]

Answer: g = -0.32

Step-by-step explanation:

<u>Given</u>

6 (-2g - 1) = (13g + 2)

<u>Expand parentheses and apply the distributive property</u>

6 · (-2g) - 6 · 1 = 13g + 2

-12g - 6 = 13g + 2

<u>Add 12g on both sides</u>

-12g - 6 + 12g = 13g + 2 + 12g

-6 = 25g + 2

<u>Subtract 2 on both sides</u>

-6 - 2 = 25g + 2 - 2

-8 = 25g

<u />

<u>Divide 25 on both sides</u>

-8 / 25= 25g / 25

$\boxed{g=-0.32}$

Hope this helps!! :)

Please let me know if you have any questions

3 0

3 years ago

Sheldon gets paid $4 per hour to babysit his cousin. This

MArishka [77]

Answer:

6

Step-by-step explanation:

4 times 8 = 32. 56 - 32 = 24. 24 divided by 4 = 6.

7 0

3 years ago