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Scorpion4ik [409]
2 years ago
9

Last one because the others i know

Mathematics
2 answers:
Ratling [72]2 years ago
4 0

Answer:

Below.(2)

Step-by-step explanation:

5 is the ones place 2 in the tens place 7 is the hundreds that mean 2 is the thousandths place.

skelet666 [1.2K]2 years ago
3 0
It should be 2. But hopefully you get all ur questions right. Im here to help. Good luck
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right triangle ABC is shown below. A similar right triangle would be created by a run of 4 and rise of______
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The rise would have to be 12.

This is because in order to be "Similar" triangles the sides need to be proportionate.

(1/3 = 4/12)

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3 people work full time together on a project, but their total time on the project is to be equivalent to only 1 person working
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Let x = the amount of time that the third person needs to work on the job to add up to one

1 = 1/2 + 1/3 + x

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To subtract the fractions we need to put them all over a common denominator. Let's use 3*2 = 6 as the denominator; so 1 = 6/6, 1/2 = 3/6, 1/3 = 2/6:

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The third person must work 1/6 time on the project.
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3 years ago
Which of the following is equal to √^3√5<br>5^1/3<br>5^1/6<br>5^2/3<br>5^3/2​
svlad2 [7]
I think it’s number 3
5 0
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Complete the steps for solving 7 = -2x2+10x
V125BC [204]
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4. , 4

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Set up an equation and solve the following problem.
nordsb [41]

Answer:

The speed of Dave is 42 miles per hour

The speed of Kent is 46 miles per hour .

Step-by-step explanation:

Given as :

The distance cover by Dave = d = 210 miles

The time taken by Dave = t hour

The speed of Dave = s miph

<u>Again</u>

The distance cover by Kent = D = 230 miles

The time taken by Kent = T hour

The speed of Kent = S = (s + 4 ) miph

<u>For Dave</u>

Time = \dfrac{\textrm Distance}{\textrm Speed}

So, t = \dfrac{\textrm d miles}{\textrm s miph}

Or, t = \dfrac{\textrm 210 miles}{\textrm s miph}

<u>For Kent</u>

Time = \dfrac{\textrm Distance}{\textrm Speed}

So, T = \dfrac{\textrm D miles}{\textrm S miph}

Or, T = \dfrac{\textrm 230 miles}{\textrm (s + 4) miph}

∵ Time taken by both is same

So, t = T

Or,  \dfrac{\textrm 210 miles}{\textrm s miph} = \dfrac{\textrm 230 miles}{\textrm (s + 4) miph}

Or, 210 × (s + 4) = 230 × s

Or, 210 × s + 210 × 4 = 230 × s

Or, 210 × 4 = 230 × s -210 × s

Or, 210 × 4 = 20 × s

∴  s = \dfrac{840}{20}

i.e s = 42 miph

So, The speed of Dave = s = 42 miles per hour

Again

The speed of Kent = S = (s + 4 ) miph

i.e S = 42 + 4

or, S = 46 miph

So, The speed of Kent = S = 46 miles per hour

Hence,The speed of Dave is 42 miles per hour

And The speed of Kent is 46 miles per hour . Answer

8 0
3 years ago
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