MATHEMATICS MIDDLE SCHOOL

What is 25 - 12 3/8

Answers

Answer 1
Answer:

Answer:

12 5/8

Step-by-step explanation:

25 - 12 3/8

we need to borrow 1 from the 25 and make it a fraction

make it 8/8

24 8/8 - 12 3/8

12 5/8
Answer 2
Answer:

Answer:

The answer is 12.625 or 12 5/8

Step-by-step explanation:

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17=5k-2 what Is (k) help me please

Answers

17=5k-2
add 2 to both sides
19=5k
divide both sides by 5
3.8=k

Answer=3.8
17=5k-2
add 2 to both sides
19=5k
divide both sides by 5
19/5=k
19/5=3 and 4/5

Factor completely 6w^4 – 54w^2

Answers

6w^4-54w^2=6w^2(w^2-9)=6w^2(w^2-3^2)=6w^2(w-3)(w+3)
6w^4-54w^2=6w^2\cdot w^2-6w^2\cdot9=6w^2\cdot(w^2-9)=6w^2(w-3)(w+3)

A regular card deck contains 52 cards, 4 of which are aces. Assuming the cards are dealt randomly, what is the probability that the first card dealt will be an ace?

Answers

probability is (desired outcomes)/(total possible outcomes)

desired outcomes=4 snce 4 aces
total possible=52

prob=4/52=2/26=1/13

Determine whether y varies directly with x. If so, find the constant of variation and write the equation. yes; k = 1/4 and y = 1/4x

No

yes; k = 4 and x - 4y

yes; k = 4 and y - 4y

Answers

Answer:

Yes, 4 and  y = 4x

Step-by-step explanation:

By looking at the graphic you see it's a straight line, not a hyperbolic curve, not a logarithm curve either, not a curve at all in fact.  And the line is neither totally horizontal nor totally vertical... so there's a direct relation, a direct positive relation, since the greater the x-value, the greater the y-value.

Then we have to find the constant of variation, or the slope of the line.

We'll take two points on the line (1,4) and (0,0) and examine their variance of Y over their variance of X... that will give us the constant of variation:

slope = (4-0)/(1-0) = 4

So the constant of variation is 4.

Now that we have the slope, its easy to find the full equation:

y = mx + b where m is the slope (we have it) and b is the value for y when x = 0.

By looking at he graph, we see that when x = 0, y = 0 as well.

So, the equation is: y = 4x

Beatrice pushes with a force of 40N . how can you you determine if Beatrice is doing work on the box ?

Answers


The results of her effort can be grouped
into two general categories:

Category #1:
The box does not move.
No work is done.

Category #2:
The box does move.
Work is done.

I Need help asp and thank youX is -8 and Y is 8 for L

X is 0 and Y is 4 for M

1) Calculate the slope between point L and point M using the change in y and the change in x. Show all work in the formula.

Answers

Answer:

-8, 4 maybe?

Step-by-step explanation:

-8, 8

0, 4

-8, 4

Answer:

8,4 for the change in y and x
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