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zvonat [6]
3 years ago
8

How do u do this assignment it's very hard for me and my test is tomorrow

Mathematics
2 answers:
Gnom [1K]3 years ago
6 0
Ok, so you start with 48 stuff

you want to divide the 48 stuff into 1 big group and 10 equal small groups

now, its been already determined that the big group will have 8 stuff in it

48-8 = 40

this means we have only 40 left that we need to divide equally within 10 groups

40 divided by 10 = the number of stuff in each small group

any questions?
Maksim231197 [3]3 years ago
4 0
The answer is C which Is 38 items for each of the smaller packs
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All the fourth-graders in a certain elementary school took a standardized test. A total of 81% of the students were found to be
Dvinal [7]

Answer:

The probability that a student is proficient in mathematics, but not in reading is, 0.10.

The probability that a student is proficient in reading, but not in mathematics is, 0.17

Step-by-step explanation:

Let's define the events:

L: The student is proficient in reading

M: The student is proficient in math

The probabilities are given by:

P (L) = 0.81\\P (M) = 0.74\\P (L\bigcap M) = 0.64

P (M\bigcap L^c) = P (M) - P (M\bigcap L) = 0.74 - 0.64 = 0.1\\P (M^c\bigcap L) = P (L) - P (M\bigcap L) = 0.81 - 0.64 = 0.17

The probability that a student is proficient in mathematics, but not in reading is, 0.10.

The probability that a student is proficient in reading, but not in mathematics is, 0.17

5 0
4 years ago
To frame two problems of linear equation in one variable of your choice and solve such that the result of the first problem shou
AVprozaik [17]

Answer:

x + y = 79 and

x - y = 25

(x,y) = (52,27)

Step-by-step explanation:

Let the variables be: x and y

The equations can be modelled as:

x + y = 79 and

x - y = 25

To solve for x and y, we have:

Make x the subject in x - y = 25

x = 25 + y

Substitute x = 25 + y in x + y = 79

25 + y + y = 79

25 + 2y = 79

Collect like terms

2y = 79 - 25

2y = 54

Divide both sides by 2

y = 27

Substitute y = 27 in x = 25 + y

x = 25 + 27

x = 52

So, we have:

(x,y) = (52,27)

8 0
3 years ago
Which expression is a factored form of 2x2<br> 25x + 63?
Oxana [17]

The expression of  the factored form of 2x2+25x + 63 is mathematically given as

(x+7)(2x+7)

<h3>What is the expression of  the factored form of 2x2+25x + 63?</h3>

Question Parameter(s):

Expression 2x^2+25x + 63?

The expression of the factored form will bear the roots of the expression repressented  in standard form

Generally, the equation for the expression   is mathematically given as

2x^2+25x + 63?

Therefore

2x^2+25x + 63?

x(2x+7)+9(2x+7)

(x+7)(2x+7)

In conclusion, The expression is

(x+7)(2x+7)

Read more about Arithmetic

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2 years ago
Cole has a can of marbles. NEED HELP It would mean so much to me.
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Answer:

C

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3 years ago
If one time around the track is 1/4, and I went around 23 times. what are the equation and answer? Please do the equation and in
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Answer:

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Step-by-step explanation:

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