1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
RideAnS [48]
3 years ago
14

What is the value of x in the equation 4x + 8y = 40, when y = 0.8?

Mathematics
1 answer:
nadya68 [22]3 years ago
6 0
4x+8y=40 \ |:4 \\\\ x+2y=10 \\\\ x+2*0.8=10 \\\\ x+1.6=10 \\\\ x=10-1.6 \\\\ \boxed{x= 8.4}
You might be interested in
Helppppppp meeee olsssss
zavuch27 [327]

Answer:

i don't see  what you need help

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Write -37.75 as a mixed number.​
Burka [1]

Answer:

-37\frac{3}{4}

Step-by-step explanation:

0.75 is equivalent to three quarters, or (3/4).

3/4 would be the fraction. -37 would be the whole number.

-37.75 = \boxed{-37\frac{3}{4}}

Hope this helps.

3 0
2 years ago
Read 2 more answers
Given that a 12 foot long piece of steel pipe weighs 5 pounds per foot, how much does it weigh in kilograms per meter? 1 pound =
sdas [7]

Answer:

1 foot = 0.305 meters.

Convert 1 meter to feet:

1 meter = 1/0.305 = 3.28 feet

Find the weight in pounds per meter:

5 pounds x 3.28 feet = 16.4 pounds per meter.

Convert pounds per meter to kilograms per meter:

16.4 pounds x 0.454 kilograms per pound = 7.44 kg/m


4 0
3 years ago
Help me please, You'd get brainliest if you answer all three, no websites. The websites cause viruses
Paha777 [63]

Answer:

Question #1

Answer is 1

Qestion number #2

Answer is 1,307

Qestion number #3

Answer is $71

Step-by-step explanation:

Can I have brainlest Please????

:DDD

3 0
3 years ago
Read 2 more answers
What is the equation of the following line? Be sure to scroll down first to see
rusak2 [61]

Answer:I’m not sure I think it’s b

Step-by-step explanation:

3 0
3 years ago
Other questions:
  • Need help 59 points if you answer this 6th gade questions
    8·2 answers
  • Helppppp meeeeeeeeeeeeeeeee
    14·1 answer
  • 5 pints of blue paint with 2 pints of yellow paint make green how many pints of blue paint are needed to make 28 pints of green
    11·1 answer
  • Jake volunteers to help out his younger brother's basketball team in his free time. One of his tasks is to ensure that all the b
    9·2 answers
  • How much soup is in a quarter of a can 20cm. tall and with<br> diameter of 12cm?
    15·1 answer
  • Can you help meSolve for X pretty please 4+x=7
    14·2 answers
  • Tell whether the equation has one solution, infinite many solutions, or no solutions. -2k + 7 = 4k - 6k + 7
    9·1 answer
  • I don’t feel pretty :’(
    7·1 answer
  • Malik is building a ramp with a base of 4 feet and a vertical height of 2 feet what is the length of the ramp rounded to the nea
    13·1 answer
  • 1+1I need help and fast i've been trying to solve this one for 30 minutes now.
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!