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3 years ago

15

28 girls and 35 boys signed up for the team challenge. Each identical team needs to have a girls and boys. What is the greatest

number of teams possible

1 answer:

sladkih [1.3K]3 years ago

6 0

The answer is 7 ok person

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In a triangle, one side length is 4 feet and another side length is 7 feet. Which answers are possible lengths for the third sid

Nuetrik [128]

Answer:

3

Step-by-step explanation:

You might just think that I subtracted but on the triangle the last side is the base which is always smaller.

7 0

2 years ago

Nicole used 3/8 of her ribbon to wrap the present. If she used 6 feet of ribbon for the present how much ribbon did Nicole have

lilavasa [31]

You would set up a proportion. 3/8 = 6/x... cross multiply ( 3*x = 3x and 6*8 = 48) 3x = 48... divide both sides by 3 (3x/3 = x and 48/3 = 16)

So, she originally had 16 feet of ribbon.

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3 years ago

What is the value of x log3x equals 4

ArbitrLikvidat [17]

$~~~~\log_3 (x) = 4\\\\\implies x= 3^4 \\\\\implies x= 81$

7 0

1 year ago

EASY WORK!!!plz look at the photo.

Natasha2012 [34]

Answer:

first one is -6 and +6

Step-by-step explanation:

4 0

3 years ago

One sample has Aa Aa One sample has n 10 scores and a variance of s2 20, and a second sample has n 15 scores and a variance of s

siniylev [52]

Answer:

option (a) It will be closer to 30 than to 20

Step-by-step explanation:

Data provided in the question:

For sample 1:

n₁ = 10

variance, s₁² = 20

For sample 2:

n₂ = 15

variance, s₂² = 30

Now,

The pooled variance is calculated using the formula,

$S^{2}_{p} = \frac{(n_{1}-1)\times s^{2}_{1} +(n_{2}-1)\times s^{2}_{2}}{n_{1}+n_{2}-2}$

on substituting the given respective values, we get

$S^{2}_{p} = \frac{(10-1)\times 20 +(15-1)\times 30}{10+15-2}$

or

$S^{2}_{p}$ = 26.0869

Hence,

the pooled variance will be closer to 30 than to 20

Therefore,

The correct answer is option (a) It will be closer to 30 than to 20

4 0

2 years ago