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
slega [8]
2 years ago
13

10+5-7=3y -10x+5x+5=-15 3x+2x-4x+10 pre algebra 8th grade math

Mathematics
1 answer:
jasenka [17]2 years ago
5 0

Answer:

1) y=8/3=2 2/3   2) x=4    3) x+10

Step-by-step explanation:

1) 10+5-7=3y

Calculate the sum or difference.

8=3y

Swap the sides of the equation.

3y=8

Divide both sides by 3.

y=8/3=2 2/3

2) -10x+5x+5=-15

Collect like terms.

-5x+5=-15

Move the constant to the right-hand side and change the sign.

-5x=-15-5

Calculate the difference.

-5x=-20

Divide both sides by -5.

x=4

3) 3x+2x-4x+10

Collect like terms.

(3+2-4)x+10

Calculate the sum or difference.

1x+10

When the term has a coefficient of 1, it doesn't have to be written.

x+10

Hope this helps :)

You might be interested in
Kaylee is decorating a ballroom ceiling with garland. If the rectangular ceiling is 20 meters by 48 meters, how much garland wil
Vitek1552 [10]

Answer:

960

Step-by-step explanation:

7 0
3 years ago
Plzzzz help me ??!?!?!??
True [87]

Pythagorean Theorem is for right triangles

 right triangles have a 90 degree angle in them

 D is a right triangle

5 0
3 years ago
Read 2 more answers
Measuring the speed of sound in the ocean is an important part of marine research. One application is the study of climate chang
dalvyx [7]

Answer:

A linear formula for S as a function of D is S=17D+1534

Step-by-step explanation:

We are supposed to find a linear formula for S as a function of D.

Equation of line : y = mx+c

We are given that At the surface, the speed of sound is 1534 meters per second.

c = 1534

We are given that for each increase in depth by 1 km, the speed increases by 17 m/s

So, Slope = m = 17

Substitute the values in equation

y=17x+1534

x denotes depth

y denotes speed

We are given that Use D for depth and S for the speed of sound

So, S=17D+1534

Hence a linear formula for S as a function of D is S=17D+1534

7 0
3 years ago
Mr. Schaeffer worked the ticket booth at the football game last Friday night
Afina-wow [57]

And....?

There's not enough info for me to answer.

7 0
3 years ago
what is the probability of drawing a silver marble from a bag that contains 4 blue marbles, 7 silver marbles, and 5 green marble
umka21 [38]

Answer:

7 out of 16

Step-by-step explanation:

Well there are 16 marbles in total, and only 7 silver marbles. So the probability of getting a silver marble is 7/16

3 0
3 years ago
Other questions:
  • Someone please help:)
    13·1 answer
  • Please help me out first to answer will get brainleyist
    7·2 answers
  • What is the solution for 3x+4=9×+3?
    14·1 answer
  • What percent of 36 is 28
    8·1 answer
  • After spending 80% of gulnaza's money. she left with $800. How much did she have in the beginning
    12·1 answer
  • Simplify. ( 8mn2 )-2 ( 12m
    8·1 answer
  • Tan theta is equal to 2- cos theta find the value of sin theta​
    5·1 answer
  • A hotel currently has 280 rooms. The management company
    11·1 answer
  • CWhat is the vertex of the quadratic<br> y = 2(x – 3)2 + 6​
    5·1 answer
  • The figure below is a scale drawing of a garden. If the scale used 1/4 inch = 3 feet, then what is the perimeter of the actual g
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!