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FromTheMoon [43]
3 years ago
11

PLZ I NEED URGENT HELP

Mathematics
1 answer:
Hunter-Best [27]3 years ago
6 0

Answer:

<em>Project 4 Score ; 41</em>

Step-by-step explanation:

Assuming that Project 4's score is x;

( Project 1 + Project 2 + Project 3 + Project 4 ) / 4 ⇒ take to substituting the value of each Project, provided Project 4's score being x;

45 = 42 + 49 + 48 + x / 4 ⇒ combine like terms,

45 = ( 139 + x ) / 4 ⇒ let 4 be a common denominator among numerator terms,

45 = 139 / 4 + x / 4 ⇒ divide 139 over 4,

45 = 34.75 + x / 4 ⇒ subtract 34.75 from either side,

10.25 = x / 4 ⇒ Multiply either side by 4,

x = 41 = Score of Project 4,

<em>Solution; Project 4 ⇒ 41</em>

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julsineya [31]

Answer:

The chi-square null hypothesis for the study that "socioeconomic status is related to smoking behavior" is False

Step-by-step explanation:

The chi-square null hypothesis is false because the chi-square null hypothesis states that no relationship exists on the categorical variables in a population, they are all independent of each other.

3 0
3 years ago
Solve for w <br><br> 12w -24 = 12
Mkey [24]

Answer:

12W=24+12

w=36÷12=3

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5 0
3 years ago
Read 2 more answers
Can someone help me with these two
LenaWriter [7]

Answer:

The first equation answer is 10

And the second one 6

Step-by-step explanation:

The first equation

2/5 x +3= 2/3x +1/3

2x + 15/5 = 6x+3/9 the cress cross

9(2x + 15) = 5(6x + 3)

18x + 135 = 30x +15

135-15 = 30x - 18x

120 = 12x

120/12 =12x/12

10 = x

X =10

The second one

-2.6b +4 =0.9b - 17

-2.6b - 0.9b = - 17 - 4

-2.6b + (-0.9b) = - 17 + (-4)

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-3.5b/-3.5 = - 21 /-3.5

B= 6

4 0
3 years ago
Hello can you please help me posted picture of question
adell [148]
The statement if TRUE.

There is no restriction on the coefficient of the polynomial, it can either be a fraction,a negative number of a positive number or even irrational number. It does not have any effect.
What matters is the exponent. The exponent must be a non-negative integer. Since in this case the exponent is positive, the expression will be a polynomial.


3 0
3 years ago
Mary owned n sheep and Sam had exactly 4 times as many sheep as Mary.
Murljashka [212]

Answer:

least value of n is 9

Step-by-step explanation:

Mary has n sheep. Then she buys 17 extra sheeps.

Mray = n + 17 sheeps

Sam had exactly 4 times as mary. Then Sam sold 8 of his sheep.

Sam = 4n - 8 sheep.

Sam has more sheep than Mary

Sam sheep is greater than Mary

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Collect like terms

4n - n > 17 + 8

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Divide both sides by 3

n > 25/3

n > 8.3333

Note: the value of n must be whole

Therefore, least value of n is 9

8 0
3 years ago
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