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SSSSS [86.1K]
3 years ago
7

How many solutions does the equation 4x + 8 = −2 − 2 + 5x have?

Mathematics
1 answer:
joja [24]3 years ago
4 0
X=12  only has 1 solution
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At a concession stand, five hot dog(s) and two hamburger(s) cost $11.75; two hot dog(s) and five hamburger(s) cost $11.00. Find
serg [7]

Answer:

x:hot dogs

y: hamburger

5x + 2y = 11.75

2x + 5y = 11.00

10x + 4y = 23.50

-10x - 25y = -55.00

-21y = -31.50

y = $1.50 each hamburger

2x + 5(1.50)= 11.00

2x + 7.50 = 11.00

2x = $3.50

x = $1.75 each hot dog

8 0
4 years ago
The size of a snail is equally likely any length between 2.5 and 4.5 millimeters. if you randomly encounter a snail, how long wo
fredd [130]
You need to find the average length. You use the two numbers that gave you the range. (4.5-2.5)/2+2.5 = answer
<span>
so (4.5-2.5)=2 now 2/2=1  1+2.5=3.5mm 
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8 0
3 years ago
Twelve skateboards have 48 wheels. What is the value of the ratio of skateboards to wheels, in simplest form? A. 1/4 B. 4/12 C.
makvit [3.9K]

Answer:

1/4

Step-by-step explanation:

Skateboards  : wheels

12                    :     48

Divide each part by 12

12/12              :    48/12

1                       :4

6 0
3 years ago
Read 2 more answers
ASAPPP!!!!
natima [27]

Answer:

$22.50

Step-by-step explanation:

So if each topping cost 2.50 then just multiply by 9

3 0
3 years ago
PLEASE!!!! ANYONE GOOD AT COMPUTER??
Tanya [424]
Yes what do you need help with?
8 0
4 years ago
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