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Bas_tet [7]
3 years ago
7

A freight train leaves a station at noon traveling at 30 mph. A passenger train leaves 1 hour later traveling at 50 mph. At what

time will the passenger train overtake the freight train?
What is a reasonable answer? Do not solve.

A) 2
1
2
hours
B) 2:30 pm
C) 45 mph
D) 75 miles
Mathematics
1 answer:
KIM [24]3 years ago
3 0

Answer:

t=2.5 hours after the freight train leaves the station they will meet.

Step-by-step explanation:

30t = 50 (t - 1)

30t = 50t - 50

30t - 50t = -50

-20t = -50

t= -50/-20

Therefor, t=2.5 hours after the freight train leaves the station they will meet.

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Which product is greater than 3/4
Hoochie [10]

Answer:

the answer is b

Step-by-step explanation:

is b because if you you multiply 5/6 x 3/4 it will equal 30/24 if you reduce it it will be 5/4 which is bigger then 3/4

7 0
3 years ago
Can someone answer these??
hoa [83]

Use the substitution method

Answers :

g(x)= -3x+1

a. g(10)= -3(10)+1

Mutiply first = -30

-30+1= -29

<em>g(10)= -29</em>

b. g(-2)= -3(-2)+1

Negative sign and negative sign = positive sign

-3(-2)= 6

6+1= 7

<em>g(-2)= 7</em>

a.

f(x)=x^2+7

f(3)= 3^ 2+7

3*3 because of the exponent. 3*3= 9

9+7= 16

<em>f(3)= 16</em>

d.

f(a)= a^2+7

a*a= a^2

a^2+7

<em>f(a)= a^2+7</em>

7 0
3 years ago
Can anybody help me with the question please
ozzi

Answer:

27 x^{4\\}y^{5}

Step-by-step explanation:

27 x^4 y ^5

6 0
3 years ago
Read 2 more answers
Paul has completed 140 laps so far this season. He completes an additional 12 laps during each practice. Jacklyn has completed 5
kakasveta [241]

Paul: 140 + 12x

Jacklyn: 56 + 16x

Where x is how many practice sessions he had this season

"After how many more practices will Paul and Jacklyn have completed the same number of laps?"

This means what will x be if both equations are equal to each other

140 + 12x = 56 + 16x

Isolate x in one side by subtracting both sides by 12x

140 + 12x - 12x = 56 + 16x - 12x

140 = 56 + 4x

Subtract both sides by 56 to shift the 56 from the right side to the left side

140 - 56 = 56 - 56 + 4x

84 = 4x

Divide both sides by 4 to isolate x

84/4 = 4/4x

21 = x

x = 21

They'll have completed the same number of laps after 21 practices

Hope it helps :)

Branliest would be appreciated

6 0
3 years ago
five times as many girls as boys went to the dance. The total of 120 students went to the dance. How many boys and girls went to
ryzh [129]

Answer:

100 girls and 20 boys

Step-by-step explanation:

since its 5 times as many girls multiply 20 by 5 which is 100 and then boom 20 boys cause 100 divided by 5 is 20

8 0
3 years ago
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