Really confused with this problem. It would be great if someone could help

Answers

Answer 1

Answer: (2n+12) + (3n+18) = 180
⇒5n+30=180
⇒5n=150
⇒n=30

x=2n+12
=2(30)+12
=72°

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37.5(3.8-x)+90x=300 please help me
A city has two water towers. One tower holds 7.35 x 105 gallons of water and the other tower holds 9.78 x 105 gallons of water. What is the combined water capacity of the two towers?A) 1.713 x 106 B) 1.713 x 105 C) 1.713 x 104 D) 17.13 x 106
Help and explain very easy hurry 10 points
5) Round 992,449 to the nearest hundred thousand 6) Round 9,254 to the nearest hundred 7) Round 5,068 to the nearest ten 8) round 5282 to the nearest ten 9) Round 813 to the nearest ten 10) round 223 to the nearest ten 11) round 44,769 to the nearest ten 12) round 76,340 to the nearest thousand 13) round 924 to the nearest ten 14) round 222,702 to the nearest ten thousand 15) round 82,321 to the nearest hundred 16) round 5479 to the nearest hundred 17) round 527 to the nearest hundred 18) round 913,600 times of the nearest ten 19) round 88,347 to the nearest hundred 20) round 630 to the nearest ten
How many degrees is a circle

What percent of 128 is 24

Answers

Wp*128=24 Wp=18 3/4% or 18.75%

Pls help is due tomorrow and if u help i will give u brainliest

Answers

Answer:

Search it up

Step-by-step equation:

Just search up the website at the bottom of the paper.

Answer: So first off that's a bad book dude, but you got to make use of what you got. Anyway we are going to add 1,000x3000 divided by 10 witch equals to 30000. Just remember to always add they give you hints in the math sentence.

Step-by-step explanation: Please give me brainiest. Please I did very good Have a nice day!!!

Something times 2 equals 36

Answers

18 is the answer
and i am just typing so i can submit

Something times 2 equals 36

now let say that X is the number missing

Replace x by something

x*2-36

2x=36

Divide both sides by 2

x= 18

I hope that's help :)

another way you can do that is to divide 36 by 2 and it will be 18

I hope that's help and if you have questions please ask ;)

How many hundredths equal 4 tenths

Answers

tenths means 1/10
hunderths means 1/100

how many 1/100 makes 4/10?
1/100 times what=4/10
multiply both sides by 100/1
what=400/10=40

answer is 40 hunderths=4 tenths

40 Hundreths=4 Tenths

Solve these system of linear equations:5x-y=10}
4x-2y=20}

AND:

3x+4y=12}
2x-y=-10}

WITH STEPS PLEASE!!!!!

Answers

$5x-y=10 \n4x-2y=20 \ \ \ |\hbox{divide both sides by (-2)} \n \n5x-y=10 \n\underline{-2x+y=-10} \ \ \ |\hbox{add by sides} \n5x-2x-y+y=10-10 \n3x=0 \nx=0 \n \n\hbox{substitute 0 for x in one of the equations:} \n5 * 0 -y=10 \n-y=10 \ny=-10 \n \n\hbox{the answer:} \nx=0 \n y=-10$

$3x+4y=12 \n2x-y=-10 \ \ \ |\hbox{multiply both sides by 4} \n \n3x+4y=12 \n\underline{8x-4y=-40} \ \ \ |\hbox{add by sides} \n 3x+8x+4y-4y=12-40 \n11x=-28 \nx=-(28)/(11) \nx=-2 (6)/(11) \n \n\hbox{substitute -28/11 for x in one of the equations:} \n2 * (-(28)/(11))-y=-10 \n-(56)/(11)-y=-(110)/(11) \n-y=-(110)/(11)+(56)/(11) \n-y=-(54)/(11) \ny=(54)/(11) \ny=4 (10)/(11) \n \n\hbox{the answer:} \nx=-2(6)/(11) \ny=4 (10)/(11)$

The school theater department made $2,142 and the department sold the same number of tickets each night and each ticket cost $7.How many tickets did the theater department sell each night?

Answers

The answer is $306 in math in division

The nut:

306

why lol:

$2,142div$7 = $306

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When preparing the cheese for their pizzas, the cooks at Brian's pizza restaurant mix 1 kilogram of Parmesan cheese and 9 kilograms of mozzarella. At Jeff's pizza restaurant, the cooks mix 2 kilograms of Parmesan cheese and 16 kilograms of mozzarella. Which restaurant uses a lower ratio of Parmesan to mozzarella?Brian's restaurant Jeff's restaurant neither; the ratios are equivalent

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