2 years ago

There are 8 girls and 5 boys on the math team. Which ratio correctly describes the relationship between boys and girls

Mathematics

2 answers:

Dimas [21]2 years ago

5 0

Answer:

8:5

Step-by-step explanation:

Andrej [43]2 years ago

5 0

8:5 because it’s girls to boys, and that’s the lowest you can simplify them

Sure hope this helps you. And good luck on whatever math test/exam is coming up. I'm surly know that you will do your very best. And pls mark me brainiest

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solve quadratic by taking square roots. as=a,-a where a and -a the values you found when when solving. Round to nearest tenth. 2

attashe74 [19]

Answer:

8.1

Step-by-step explanation:

2x^2 -9 = 121

+9 +9

2x^2 = 130

/2 /2

x^2 = 65

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x= 8.06225...

x = 8.1

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3 years ago

Each lap around the track is 1/4 of a mile. How many laps will Quadir need to jog if he wants to jog 3 1/8 miles? Helpppp

weeeeeb [17]

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Answer:

12 1/2 laps

Step-by-step explanation:

To find the number of laps, divide the distance by the distance per lap.

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Quadir needs to jog 12 1/2 laps if he wants to jog 3 1/8 miles.

5 0

3 years ago

Find two consecutive even numbers such that the difference of one-half the larger and two-fifths the smaller is equal to 38

expeople1 [14]

EXPLANATION

The consecutive even numbers are
$370 \: and \: 372$

EXPLANATION

Let
$x$
be the first even number then, the next even number will be,

$x + 2$

The difference of one-half the larger one and two-fifth the smaller one is 38 gives the equation,

$\frac{1}{2} (x + 2) - \frac{2}{5} x = 38$

We multiply through with an LCM of 10 to get,

$10 \times \frac{1}{2} (x + 2) - 10 \times \frac{2}{5} x = 38 \times 10$

This simplifies to,

$5(x + 2) - 4x = 380$

We expand the brackets to get,

$5x + 10 - 4x = 380$

We group like terms to get,

$5x - 4x = 380 - 10$

This simplifies to
$x = 370$

Therefore the next even number is is
$372$

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3 years ago

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Pepsi [2]

You have 40/16
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so the answer is d. 5:2

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3 years ago

A number increased by 4 is the same as 19-2 times the number

MrRissso [65]

19 - 2 = 17 17 - 4 = 13 number = 13

4 0

3 years ago