3 years ago

Need help with number 3 & 5 please .

Mathematics

1 answer:

bearhunter [10]3 years ago

3 0

3. 3w-(7w+12)=2(w-3)

expand

3w-7w-12=2w-6

bring all w to one side

2w-3w+7w=-12+6

6w=-6

w=-1

5. 9(n-4)-8n=32-2(n+8)

again, expand

9n-36-7n=32-2n-16

bring all n to one side

9n-7n+2n=32-16+36

4n=52

n=13

You might be interested in

Find the slope of the line which goes through the given points.<br> d<br> A(2,8) and B(2,6)

KATRIN_1 [288]

Answer:

Undefined

Step-by-step explanation:

A slope is found using the formula rise (change in y) over run (change in x). The change in x is 0, and the change in y is -2. The answer is -2/0, but dividing by 0 gives you undefined. Don't believe me? Look at the attached image.

Hope this helps!

7 0

3 years ago

Read 2 more answers

One week, seventy-two percent of the animals that cam to a veterinary hospital were dogs. If there were 230 animals total, how m

pentagon [3]

Answer:

165.6

Step-by-step explanation:

165.6 is 72% of 230

3 0

3 years ago

I need to know what’s 67x4

Simora [160]

Answer:

268

Step-by-step explanation:

please give brainliest

3 0

3 years ago

Read 2 more answers

I NEED HELP! I WILL MARK BRANLIEST! I need help with 11 & 12

antiseptic1488 [7]

Answer:

The answer is 17 and no

Step-by-step explanation:

#11 The room is a cube so...

cube root the volume 4913

³√4913=17

The length of the room is 17 feet.

#12

Square root 121

√121=11

Since the car is 13 feet the car will not fit in the garage which is 11ft.

6 0

3 years ago

(01.05 MC)The total charge on 6 particles is −48 units. All the particles have the same charge. What is the charge on each parti

Elina [12.6K]

Answer: -9 units

Step-by-step explanation:

-9 x 4 = -36

so therefore -36 divided by 4 = -9

5 0

3 years ago