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
galina1969 [7]
3 years ago
8

Please help!! I’ll mark you as brainly

Mathematics
2 answers:
fiasKO [112]3 years ago
7 0
Add the two equations together.

5y=20
y=4

Substitute that back into one of the equations.

4x+3y=6
4x+3(4)=6
4x=-6
x=-3/2

So, the solution is x=-3/2, y=4.

The answer, therefore, is D.

Hope this helps!
77julia77 [94]3 years ago
6 0
The correct choice is D .
You might be interested in
Could you please explain it?
Troyanec [42]
Hello,
there are some words that I could not read. But:
I support evements are independants.
p(s)=0.2
p(l)=1-0.2=0.8 l=lose

1)0.8*0.2=0.16

2) 0.8²*0.2=0.128

3) 0.8^3*0.2=0.1024

4) 0.2*0.8^(n-1)

6 0
3 years ago
AB, CD and EF are straight lines. AB is parallel to CD. Work out the size of angle y
mylen [45]

Answer: 28

Step-by-step explanation:

Simplifying

2x + 16 = 3x + -12

Reorder the terms:

16 + 2x = 3x + -12

Reorder the terms:

16 + 2x = -12 + 3x

Solving

16 + 2x = -12 + 3x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-3x' to each side of the equation.

16 + 2x + -3x = -12 + 3x + -3x

Combine like terms: 2x + -3x = -1x

16 + -1x = -12 + 3x + -3x

Combine like terms: 3x + -3x = 0

16 + -1x = -12 + 0

16 + -1x = -12

Add '-16' to each side of the equation.

16 + -16 + -1x = -12 + -16

Combine like terms: 16 + -16 = 0

0 + -1x = -12 + -16

-1x = -12 + -16

Combine like terms: -12 + -16 = -28

-1x = -28

Divide each side by '-1'.

x = 28

Simplifying

x = 28

5 0
4 years ago
Read 2 more answers
Ms. McGuirk wants to know if she built her son's new sandbox with a perfect right angle or not? The shorter sides are 15 feet an
spayn [35]

Answer:

17 feet

Step-by-step explanation:

A right angle has 3 sides: the adjacent, the opposite and the hypotenuse.

The hypotenuse is the largest side of the right angle

The shorter sides are 15 feet and 8 feet which should represent opposite and adjacent sides respectively

Opposite = 15 feet

Adjacent = 8 feet

Hypotenuse = x feet

Using Pythagoras theorem to solve

Hypotenuse ² = opposite ² + adjacent ²

x² = 15² + 8²

x² = 225 + 64

x² = 289

Find the square root of both sides

√x² = √289

x = 17 feet

The 3rd side is 17 feet

8 0
3 years ago
Admission to the movies is $10 for adults and $7 for children. Find the
nevsk [136]

Answer:

$96

Step-by-step explanation:

4 times 10 is 40. 7 times 8 is 56. 40 + 56 = 96

6 0
3 years ago
Determine the area that is bounded by the graphs of the following equations on the interval below. (Round your answer to three d
Elza [17]

Answer:

A≅407.34 au (area units)

Step-by-step explanation:

we must find the area generated by equations a., b., and c. To do this we must graph and the areas and determine their points to evaluate

As seen in the graphs (1, 2) we have the area generated by equations a. b. and the limits within which the area should be evaluated are those determined by c.

Finally we find A (view graph 3)

7 0
3 years ago
Other questions:
  • William is taking the 25-question, multiple choice American Mathematics Competition. Each question has five answer choices. Will
    10·1 answer
  • -8= -(x+4) plz help I'm not smart and defiantly not good at math
    15·1 answer
  • Anwser. Anwser. Answer. Anwser
    13·2 answers
  • Mariain buys a dress that costs 32 dollars she pays 10 percent sales tax
    14·1 answer
  • Tim has 30 jellybeans, with equal numbers of three flavors—raspberry, pineapple, and orange. He likes raspberry the best. So far
    5·2 answers
  • Let a and b be non-zero integers. Which of the following is always true about the ratio a/b?
    6·1 answer
  • You are jumping off the 12 foot diving board at the municipal pool. You bounce up at 6 feet per second and drop to the water you
    7·1 answer
  • 10. How many solutions does this system of equations have? Explain how you know.
    9·1 answer
  • A cake shop bought 55 bread rolls that cost 275 c each and 85
    14·1 answer
  • Find the balance in an account at the end of 8 years if $6000 is invested at an interest rate of 4.2% that is compounded continu
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!