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viktelen [127]
3 years ago
9

Few drivers realize that steel is used to keep the road surface flat despite the weight of buses and trucks. Steel bars, deeply

embedded in the concrete, are sinews to take the stresses so that the stresses cannot crack the slab or make it wavy. The passage best supports the statement that a concrete road​
Mathematics
1 answer:
Mrrafil [7]3 years ago
4 0

Answer: Is reinforced with other material

Step-by-step explanation:

The options are:

A is expensive to build.

B usually cracks under heavy weights.

C looks like any other road.

D is reinforced with other material.

The passage best supports the statement that a concrete road are reinforced with other material. According to the information given in the passage, steel plays a vital role in keeping the road surface flat.

Steel bars are embedded in concrete so that the stresses cannot crack the slab. Therefore, it indicates that concrete road is reinforced with other material.

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A walker and a cyclist are 45 miles apart. They move towards each other with speeds of 5 mph and 10 mph respectively. In how man
Ymorist [56]

Answer: they will meet after 3 hours.

Step-by-step explanation:

Let t represent the number of hours it will take them to meet.

A walker and a cyclist are 45 miles apart. If they move towards each other, in t hours, they would have covered a total of 45 miles

Distance = speed × time

They move towards each other with speeds of 5 mph and 10 mph respectively. It means that the distance covered by the walker in t hours is 5 × t = 5t

Also, the distance covered by the cyclist in t hours is 10 × t = 10t

Since the total distance covered us 45 miles, then

5t + 10t = 45

15t = 45

t = 45/15

t = 3 hours

4 0
3 years ago
Simplify: 6(2x-3)-(5x+7)
Gelneren [198K]
First I would distribute the left part like so:
12x - 18 - (5x + 7)

Then I would distribute the right side like so: (I'm just distributing a negative sign)
12x - 18 - 5x - 7

Then I combine like terms like so: (12x and -5x)
7x - 18 - 7

Then I would combine the other like terms like so: (-18 and -7)
7x - 25


I hope that helps! Feel free to let me know if you have any questions! :3

- mathwizzard3
5 0
3 years ago
PLEASE HELP{ WILL GIVE BRAINLIEST
Volgvan

Answer:

\approx10.29\text{ feet}

Step-by-step explanation:

Please refer to the attachment.

By AA Similarity, the two triangles are similar.

Therefore, corresponding parts of them are proportional.

Therefore, we can write the following proportion:

\frac{7}{24}=\frac{3}{x+3}

We will solve for x. Cross-multiply:

7(x+3)=24(3)

Distribute:

7x+21=72

Subtract 21 from both sides:

7x=51

Divide both sides by 7. So, the value of x is:

x\approx7.2857

However, that is only the value of x.

The shadow of the tree is (x+3).

Hence, we will need tot add 3 to our value. Therefore, the actual length of the shadow of the tree is approximately:

\approx10.2857\approx10.29\text{ feet}

7 0
3 years ago
alex spent 3/7 of his money he gave 1 /4 of the remainder to his sistet he haf $120 left how much money did he in the beginning
Sonbull [250]
Let his total money be x.
He spent (3/7)*x of his money.
He gave 1/4(x-3/7x) to his sister. 
which is : (1/4)*(4/7)*x = (1/7)*x 
Now,
How much money he have in the beginning = 
(3/7)*x+(1/7)*x+120=x
(4/7)*x+120=x
120=x-(4/7)*x
120=(3/7)*x
x=120*7/3 [cross multiplication]
x=280.

So, Alex had $280 in the beginning.

6 0
4 years ago
5/4 divide by 10/3 =
antoniya [11.8K]

Answer:

0.375

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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