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OverLord2011 [107]

3 years ago

8

The chess club has 12 boys, 16 girls, and 2 coaches. Wrote the following ratios in the simplest form. Boys to girls. girls to bo

ys. Coaches to students.

1 answer:

ExtremeBDS [4]3 years ago

7 0

Answer:

3:4, 4:3 and 1:14

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-2 3/4 ÷ -1/7= <br>help

Hitman42 [59]

The answer is 19 $\frac{1}{4}$

First you must set up the equation

$-2\frac{3}{4}$ ÷ $-\frac{1}{7}$

First, you must make the mixed number a improper fraction

$-\frac{11}{4}$ ÷ $-\frac{1}{7}$

Then you must divide

$\frac{77}{4}$

Finally, simplify

19 $\frac{1}{4}$

3 0

3 years ago

How do i solve this

laila [671]

The ratio is 2:3 for the side lengths of the triangles.

so 6:9 is one side and 5:x would be the other side

2/3 of five is 3.33 and multiplying that by 2 gives you 6.67

4 0

3 years ago

The average score on a standardized test is 750 points with a standard deviation of 50 points. What is the probability that a st

nalin [4]

The probability that student scored more than 850 we shall proceed as follows:
z=(x-μ)/σ
where:
x=850
μ=750
σ=50
thus
z=(850-750)/50
z=2
thus
P(x>850)=1-P(x<850)=1-P(z<2)=1-0.9772=0.0228

Answer: P(x>850)=0.0228

4 0

2 years ago

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Priam has pennies and dimes in a cup holder in his car. The total value of the coins is $4.21. The number of dimes is three less

aksik [14]

Answer:

40 dimes and 21 pennies.

Step-by-step explanation: 40 dimes equal 4.00 so just add 21 pennies

8 0

3 years ago

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I need help plzzzzzzz help24+4x=6x+2

Tasya [4]

The answer is x=11 !

8 0

3 years ago

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