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4 years ago

Seven students worked together on a project. How many ways can their teacher choose four to present the project?

Mathematics

1 answer:

SSSSS [86.1K]4 years ago

7 0

Answer:

the answer is 12 ways that she can choose four to present.

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A circle is centered on point B. Points A. C and D lie on its circumference.

olga_2 [115]

Answer:

So, ADC = 124/2 => ⛰ ADC = 62°

Step-by-step explanation:

If ABC i.e angle of centra = 124°

If ABC i.e angle of centra = 124°Then, we know that angle at any where of Circle is 1/2 if central angle 

If ABC i.e angle of centra = 124°Then, we know that angle at any where of Circle is 1/2 if central angle So, ADC = 124/2 => ⛰ ADC = 62°.

Thank You ☺️ ☺️. 

<h3>☆ ★ Make It Brainlist Answer Please.... </h3>

5 0

4 years ago

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Use technology to find the p-value for the hypothesis test described below. the claim is that for a smartphone carrier's data

Mila [183]

Given that the sample size is 12, thus the degree of freedom = 12 - 1 = 11.

Using technology, the p value of the t statistic, t = 2.028 is 0.9663.

8 0

4 years ago

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for every $50 of candy you sell, you get to keep 7% of it. how much commission do you make if you sell $200 worth of candy?

____ [38]

You'll make 14 dollars.

7% of 50 is 3.5.

If you add 3.5 four times you'll get 14.

200 - 7% is 186.

200 - 14 is 186.

4 0

3 years ago

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5. Vena finds lost balls and sells them. After selling 13, she had 22 balls left. How many golf balls did Vena have

Olenka [21]

Answer:35

Step-by-step explanation:

22+13=35

5 0

4 years ago

A music shop sold 25 50$ radios at a profit of 8% and 6 30$ radios at a loss of 15% how much was the profit or loss combined

yanalaym [24]

Answer:

The profit or loss combined is $2.99

Step-by-step explanation:

Given;

cost price of first radio, CP = $25.50

profit percent, = 8%

The profit made is calculated as;

$\frac{Profit}{CP} \times 100\% = \frac{SP-CP}{CP} \times 100\% = 8\%\\\\Profit = SP-CP = 0.08CP = 0.08\times \$25.50 = \$ 2.04$

Cost price of the second radio, CP = $6.30

loss percent = 15%

The loss incurred is calculated as;

$\frac{Loss}{CP} \times 100\% = 15\%\\\\Loss = 0.15CP\\\\Loss = 0.15 \times \$6.30 = \$0.95$

The profit or loss combined = $2.04 + $0.95

= $2.99

3 0

3 years ago