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KIM [24]
3 years ago
15

Can someone please help with these 5 questions?10 points!

Mathematics
1 answer:
babymother [125]3 years ago
7 0

Answer:

Step-by-step explanation:

1) true

2)3/4x-6= 12 = true

3) 8= -2x + 4 = false

4) x+5 = -3 = false

5) -3= 5-2x = true

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If C(m) = 0.50m + 30 represents the cost of renting a car, how many miles were driven if cost is $130
FinnZ [79.3K]

Answer:

m=#miles

so 130= .5m+30

subtract 30 from each side

100$= .5m than divide .5 to isolate m

m= 200

Step-by-step explanation:

3 0
3 years ago
Emma Drew 13 hearts and 20 circles what is the ratio of hearts to all shape​
wariber [46]

9514 1404 393

Answer:

 13 : 33

Step-by-step explanation:

  hearts : all shapes = hearts : (hearts + circles) = 13 : (13 +20) = 13 : 33

4 0
2 years ago
Evaluate the expression 25+10.2×4-2
JulijaS [17]

Answer:

Answer: 51x45+23=10.2x4+23

Step-by-step explanation:


6 0
3 years ago
Find the value of x to the nearest tenth
Hitman42 [59]

Answer:

a^2+b^2=c^2

6^2+6^2=72

square root of 72

=8.49(3sf)

c^2-b^2=a^2

=3

x=3

5 0
3 years ago
Read 2 more answers
Factor and solve the problems in the photo ……….. pleaseeeee help i haven’t done algebra in 2 years
vladimir1956 [14]

Answer:

30. 2x²-x-1=0

or, 2x²-2x+x-1=0

or, 2x(x-1)+1(x-1)=0

or, (x-1)(2x+1)=0

so, x-1 = 0 or, x = 1

and 2x+1 = 0 or, 2x = -1 or, x = -1/2

so, x = 1 and 1/2

31. 3x²-14x=5

or, 3x²-14x-5=0

or, 3x²-15x+x-5=0

or, 3x(x-5)+1(x-5)=0

or, (x-5)(3x+1)=0

so, x-5=0 or, x=5

and 3x+1=0 or, 3x=-1 or, x=-1/3

so, x = 5 and -1/3

Answered by GAUTHMATH

5 0
3 years ago
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