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Natasha_Volkova [10]
3 years ago
8

Help pls and explain thank you :)

Mathematics
2 answers:
Ann [662]3 years ago
6 0

25

Step-by-step explanation:

No. of words spelled correctly by Becky

= 45

No. of words spelled correctly by Jason

= 20

No. of words Becky spell correctly more than Jason

= 45-20

= 25

[Hence, Becky spelled 25 words correctly more than Jason.]

Solnce55 [7]3 years ago
5 0
25 because Becky read 45 and Jason read 20

45-20 = 25
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In 2004, Cindy had $4000 in a mutual fund account. In 2005, the
gtnhenbr [62]
6,250
1,000/4,000 = 25/100
25/100 = x/5,000
x = 1,250

5,000 + 1,250 = 6,250
4 0
3 years ago
Factor (4x^3 - 20x^2) -(9x + 45)
stellarik [79]

Answer:

u cannot factor it not possible

Step-by-step explanation:

8 0
4 years ago
12 balls numbered 1 through 12 are placed in a bin. In how many ways can 3 balls be drawn, in order, from the bin, if each ball
Iteru [2.4K]

Answer:

1320

Step-by-step explanation:

There are three "spots" for balls.

__ __ __

For the first "spot," and without replacement, meaning we don't put the balls back, there are 12 choices.

12 __ __

But for the next spot, there are only 11 choices. And for the next, there are only 10!

12 11 10

Since these are independent events, we multiply them together.

12 x 11 x 10 = 1320

There are 1320 possibilities!

How could we do it on the calculator, much faster? The question says "in order," so we know it's a <em>permutation,</em> not a <em>combination.</em> This is the nPr button on the calculator (math -> prb -> 2). Just type in 12 nPr 3 and you get the same answer, 1320.

3 0
3 years ago
Hii please help i’ll give brainly if you give a correct answer <br> - please show your work.
eduard

Step-by-step explanation:

1. In the picture down below.

2. Because they are = 20

100 ÷ 5 = 20

10 ÷ 0.5 = 10 x 2 = 20

1 ÷ 0.05 = 1 x 20 = 20

3 0
3 years ago
Y=6-x In this case, what would be the slope and y-intercept? I'm having a hard time trying to get it to the y=mx+b format.
frutty [35]

Answer:

Slope = \frac{-1}{1} or -1

y = 6

Step-by-step explanation:

The equation given (y = 6 - x) is the same as saying

y = -1x + 6

Since we have a negative x variable and a positive 6 and would also be graphed the same. The only difference is that the second equation I just mentioned resembles the y = mx + b expression more. In this case the slope would be

Slope = \frac{-1}{1} or -1

While the y-intercept would be

y = 6 - x

y = 6 - 0

y = 6

4 0
3 years ago
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