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
Tanya [424]
3 years ago
11

PLEASE HELP MEEEEEEEE :)))

Mathematics
2 answers:
Kay [80]3 years ago
8 0

Answer:

26

Step-by-step explanation:

Devaughn = 2x

Sydney = x

x + 2x = 78

3x = 78

x = 78 / 3

x = 26

Hope that helps!

Viktor [21]3 years ago
3 0

Answer:

26

Step-by-step explanation:

Lets say Devaughn age = d and Sydney age = s

Therefore,

d = 2s

and s + d = 78

Well, we can use substitution for d.

s + (2s) = 78

3s = 78

s = 26

You might be interested in
Find the slope of the line whose equation is 5y = x - 3.<br><br> A.-3<br> B.-3/5<br> C.1/5<br> D.5
Eduardwww [97]

The answer is c. 1/5

8 0
3 years ago
Read 2 more answers
-3/4(4f - 2g) <br> Please answer as soon as you can!
torisob [31]

Answer:−

1

2

+

6

4

Step-by-step explanation:−

3

4

(

4

−

2

)

Simplify

1

Combine multiplied terms into a single fraction

−

3

4

(

4

−

2

)

−

3

(

4

−

2

)

4

2

Distribute

Solution

−

1

2

+

6

8 0
3 years ago
Please show work and correct answers ONLY!
amm1812

2.

April 11 : 3 hours 15 minutes

April 12 : 3 hours

April 13 : 4 hours 30 minutes

April 14 : 5 hours 15 minutes

April 15 : 2 hours 45 minutes

total : 18 hours 45 minutes

10.50 * 18.75 = $196.875

answer: $196.88

3.

45 1/4-> 45.25 * .5 = 22.625 = 22 5/8

gusset plate :

5 3/4 -> 5.75 * .5 = 2.875 = 2 7/8

3 1/2 -> 3.5 * .5 = 1.75 = 1 3/4

47 1/4 -> 47.25 * .5 = 23.625 = 23 5/8

2 * .5 = 1

5 0
2 years ago
Which types of reasons are not valid in a mathematical proof?
bulgar [2K]
It's definitely A, gotta be.
5 0
3 years ago
Read 2 more answers
The figure below shows a line graph and two shaded triangles that are similar:
ella [17]

Answer:

d

Step-by-step explanation:

h wh I h6j2tbwtbt2byyh3ht36

7 0
3 years ago
Read 2 more answers
Other questions:
  • a certain computer loses half of its value every two years. after how many years will the computer be worth 12.5% of the initial
    11·2 answers
  • Julius needs to determine how much information needs to be given about an isosceles triangle to be able to draw an isosceles tri
    13·1 answer
  • Chad sells custom T-shirts with five of his friends. If the earnings are divided evenly, how much must the business make in orde
    9·1 answer
  • Giving twenty points! (: (10 points each!)
    10·2 answers
  • 1.
    11·1 answer
  • What is the area of a rectangle with a length of 12in and a hight of 4.5 in
    15·1 answer
  • For a treasure hunt game, 300 balls are hidden. Of the balls that are hidden, 40% of them are yellow and the rest are white. Sal
    6·2 answers
  • The Smiths want to fence their square garden, which has an area of 289 square feet. What would be the minimum amount of fencing
    15·1 answer
  • What is the solution to the equation 4 + 3/2y = 6?
    11·2 answers
  • Please solve 4(3x-2)=52
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!