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
k0ka [10]
3 years ago
12

Which of these shows the result of using the first equation to substitute for y in the second equation, then combining like term

s?
y = 2z
2x + 3y = 16

A. 5x = 16
B. 4x = 16
C. 5y = 16
D. 8x = 16
Mathematics
1 answer:
katen-ka-za [31]3 years ago
5 0

Answer:

D. 8x=16

Step-by-step explanation:

If y=2x, then

2x+3y=16

2x+3(2x) =16

2x +6x=16

8x=16

You might be interested in
Adam currently runs about 40 miles per week, and he wants to increase his weekly mileage by 30%. How many miles will Adam run pe
BigorU [14]

Answer:

52 miles/week (12 more miles per week)

Step-by-step explanation:

In order to know the miles per week with this increasement, we'll use the rule of 3, assuming that 40 miles is the 100% innitially so:

If:

40 miles --------->100%

X miles ----------> 30%

Solving for X we have the following:

X = 30 * 40 / 100 = 12 miles

So, if Adam wants to increase his weekly mileage by 30%, he needs to run 12 more miles, and that makes a total of 52 miles/week

6 0
3 years ago
20. Which of the following decimals is equal to 30 percent? A. 0.3 B. 3 C. 30 D. 300
vivado [14]
The answer is A. .3 because do find the percent from a decimal you need to move the decimal point two to the right, so in this case it will be 30 or 30%
7 0
3 years ago
Read 2 more answers
I need help I will give brainiest​
zhenek [66]
It’s B !!!!!!!!!!!!!!!!!!!!!!
8 0
3 years ago
Read 2 more answers
What is 9 3/10- 5 7/10 equal
Scorpion4ik [409]
T\The answer would be 3 6/10, or 3.6.
3 0
3 years ago
Solve this inequality 5 x + 2 < 32
Hatshy [7]

Answer:

Here is your answer:

5x + 2 < 32

solution:

5x+ 2 < 32

or, 5x < 32-2

or, 5x < 30

or, 5x < 30/2

or, 5x < 15

or, x < 15/3

or, x < 5

therefore, x < 5 <u>ans</u>

<em><u>Hope</u></em><em><u> </u></em><em><u>it</u></em><em><u> </u></em><em><u>will</u></em><em><u> </u></em><em><u>help</u></em><em><u> </u></em><em><u>you</u></em>

7 0
3 years ago
Other questions:
  • Y=x+12 please answer quickly and plus i need 20 characters<br>​
    6·1 answer
  • Evaluate r(x) = −0.21x^3 + x^2 − 8.1x − 3 for x = −1 and x = 2.
    5·1 answer
  • Use a model to divide. 1/2÷3​
    9·1 answer
  • 25.(01.05)
    9·2 answers
  • Jack invested $2,900 in an account paying an interest rate of 8 % compounded
    7·1 answer
  • What is 70 by 20%ughhhhh
    14·1 answer
  • My sister needs help with this
    12·1 answer
  • PLEASE HELP!! I’ll give brainlest or whatever it’s called
    14·1 answer
  • Find the midpoint of the line segment with the endpoints (-6, -8) and (-2, -6)
    11·1 answer
  • Which is greater 3yd or 30ft
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!