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3 years ago

Hey can you please help me posted picture of question

Mathematics

1 answer:

nignag [31]3 years ago

3 0

To find the number of possibilities, we multiply the number of things together:
7*2*4*4
14*4*4
64*4
244
There are 244 combinations

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David can paint a fence in ten hours. Alex can paint the same fence in eight hours. If

xxTIMURxx [149]

Answer:

40/9

Step-by-step explanation:

Use the work formula, $\frac{1}{A}$ + $\frac{1}{B}$ = $\frac{1}{T}$ , where A is the amount of time it takes one person, B is the amount of time it takes another person, and T is the time it takes for them to work together.

Plug in the times for David and Alex alone:

$\frac{1}{10}$ + $\frac{1}{8}$ = $\frac{1}{T}$

Find the least common denominator, which is 40.

$\frac{4}{40}$ + $\frac{5}{40}$ = $\frac{1}{T}$

$\frac{9}{40}$ = $\frac{1}{T}$

Cross multiply and solve for T:

9T = 40

T = 40/9

So, if they worked together, it would take them 40/9 hours

3 0

3 years ago

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There are 10 chocolates in a box.

marusya05 [52]

What’s the question?

6 0

3 years ago

Find parametric equations through point P=(2,2,7) in the direction of the vector v = (44, 14, -20)?

ycow [4]

9514 1404 393

Answer:

(x, y, z) = (2+44t, 2+14t, 7-20t)

Step-by-step explanation:

One way to write parametric equations for line L is ...

L = P + t·v

where P is the given point and v is the given direction vector. Using that form, we have ...

(x, y, z) = (2+44t, 2+14t, 7-20t)

If you like, you can remove a common factor of 2 from the coefficients of t.

(x, y, z) = (2+22t, 2+7t, 7-10t)

5 0

3 years ago

On a horizontal number line, 6 is located to the of -4. So, -6 is than-4

bogdanovich [222]

On a horizontal number line, -6 is located to the (left) of -4. So, -6 is (less than) 4.

7 0

3 years ago

PLEASE ANSWER! WILL MARK BRAINLIEST!!

lord [1]

Answer:

Here you go.Hope this help!!

5 0

2 years ago

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