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Alisiya [41]
3 years ago
11

One number is four times another number. If their sum is 95, what are the numbers?

Mathematics
2 answers:
nikdorinn [45]3 years ago
8 0
Let x be one number and y be the other.

#1 - Set up a system of equations.
4x = y
x + y = 45

#2 - Solve the system by substitution.
x + (4x) = 45
5x = 45
x = 9

(9) + y = 45
y = 36
IgorC [24]3 years ago
8 0
The numbers are 19 and 76.
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If Mrs. Maiers buys 24 stickers, is the cost of each sticker more then or less then 0.50
siniylev [52]
0.50 24 times is the answer just multiply them
5 0
3 years ago
Please help thnx... <br> hi
Lena [83]

Answer:

-17/5

Step-by-step explanation:

Multiply ten to everything to get

6x-1= x+2-20

Simplify to 5x= -17

Solve to get x = -17/5

5 0
3 years ago
Jake says adding 0 to an addendum does not change a sum. Is he correct
siniylev [52]
Nothing changes if you don't add anything. 

Example:

10+10=20
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5 0
3 years ago
15 points: can someone help me with this thank you. (all separate equations)
OLga [1]

Step-by-step explanation:

6x+3y=12\qquad\text{subtract}\ 6x\ \text{from both sides}\\\\6x-6x+3y=12-6x\\\\3y=12-6x\qquad\text{divide both sides by 3}\\\\\dfrac{3y}{3}=\dfrac{12}{3}-\dfrac{6y}{3}\\\\\large\boxed{y=4-2y}\\\\===================

2p-k=3\qquad\text{subtract}\ 2p\ \text{from both sides}\\\\2p-2p-k=3-2p\\\\-k=3-2p\qquad\text{change the signs}\\\\k=-3+2p\\\\\large\boxed{k=2p-3}\\\\===================

6v-2w=10\qquad\text{subtract}\ 6v\ \text{from both sides}\\\\6v-6v-2w=10\\\\-2w=10-6v\qquad\text{divide both sides by (-2)}\\\\\dfrac{-2w}{-2}=\dfrac{10}{-2}-\dfrac{6v}{-2}\\\\w=-5+3v\\\\\large\boxed{w=3v-5}\\\\===================

5 0
3 years ago
Solve by Describing your steps<br> -3x + 12x =36
gladu [14]

Answer:

x=4

Step-by-step explanation:

-3x + 12x =36

Combine like terms

(-3+12)x = 36

9x = 36

Divide each side by 9

9x/9 = 36/9

x = 4

4 0
3 years ago
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