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
padilas [110]
3 years ago
10

What is the value of y=7— 2x when x =4?

Mathematics
2 answers:
mrs_skeptik [129]3 years ago
5 0

Answer:

y=-1

Step-by-step explanation:

y=7-2x      x=4

plug in x : y=7-2*4

y=7-8

y=-1

ivanzaharov [21]3 years ago
5 0

Answer:

-1

Step-by-step explanation:

-2 times 4 = -8

7-8=-1

You might be interested in
What is the value of x in the equation 3(2x + 8) = 0? –8 –4 4 8
Flura [38]
3(2x+8)=0

Simplify both sides of the equation.

3(2x+8)=0

(3)(2x)+(3)(8)=0(Distribute)

6x+24=0

Subtract 24 from both sides.

6x+24−24=0−24

6x=−24

Divide both sides by 6.

6x/6 = −24/6

x=−4

7 0
3 years ago
Read 2 more answers
During a flood, James used two pumps to get the water out of his
dybincka [34]

Answer:

The big pump moves 22 more gallons in 10mins

Step-by-step explanation:

The total the big pump moves is 30 gallons in 10mins because 3x10 = 30

The small pump moves 8 gallons in 10mins becuase 4x2= 8

Its asking for how many more so 30 - 8 = 22 More gallons

8 0
3 years ago
Factor the equation in the picture ​
algol [13]

Answer:

A

Step-by-step explanation:

-5 y^ - I5 y=0

-5 y (y +3) =0

5 0
3 years ago
Prove that (AxB).(BxC)+(BxC).(AxD)+(CxA).(BxD)=0
shepuryov [24]

Answer:

I assume you're joking.

Step-by-step explanation:

I think that

A=0

B=0

C=0

D=0

Hope this helped.

8 0
3 years ago
Read 2 more answers
A bag contains 28 marbles: 9 black, 14 red, and 5 blue. A marble is drawn from the bag at random.
prohojiy [21]

Answer:

steps

1) 14/28 to convert to a percent you have to first divide the numerator from the demoninator and then  you  multiply by 100 and you get get %50 (you could had known bc 14 is half of 28)

2) 5/28 do the same thing as the first step and get %17.85

-Feel free to ask for more help :)

6 0
3 years ago
Other questions:
  • I need help in this section please!!
    11·1 answer
  • What is the difference of two polynomials (9x^2 +8x)- (2x^2 +3x)
    12·1 answer
  • Write the equation for a parabola with a focus at (7,-6) and a directrix at x = 5.
    9·1 answer
  • Need help hard question! Picture has it all.
    6·1 answer
  • URGENT What is the value of the function at x=2 ?
    7·1 answer
  • How to find the area?
    13·2 answers
  • Angles α and β are angles in standard position such that: α terminates in Quadrant II and sinα = 3/5, β terminates in Quadrant I
    5·1 answer
  • The polygons in the given image are similar. Solve for x. A) 10 B) 6 C) 12 D) 11
    15·2 answers
  • A gym teacher orders 42 tennis balls. Each package contains 3 tennis
    5·2 answers
  • WILL GIVE BRAINLIEST!! do not answer if you dont know what the answer is.
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!