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Alika [10]
2 years ago
8

A triangular flag has a height of 16 inches and a base of 24 inches. Which formula represents how to find the area of the triang

le?
2 points

A.

B.

C.

D.
Mathematics
1 answer:
aleksandrvk [35]2 years ago
3 0

Answer:

A= 1/2bh

Step-by-step explanation:

The answer is the Area= 1/2 * base * height

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Twenty-five randomly selected students were asked the number of movies they watched the previous week. The results are as follow
guajiro [1.7K]

Answer:

a) x = 1.52

b) s = 1.16

Step-by-step explanation:

We have that:

5 students watched 0 movies.

9 students watched 1 movie.

5 students watched 2 movies.

5 students watched 3 movies.

1 student watched 4 movies.

(a) Find the sample mean x.

Sum divided by the number of students. So

x = \frac{5*0 + 9*1 + 5*2 + 5*3 + 1*4}{5 + 9 + 5 + 5 + 1} = \frac{38}{25} = 1.52

(b) Find the approximate sample standard deviation, s.

Standard deviation of the sample.

Square root of the sum of the squares of the values subtracted from the mean, divided by the sample size subtracted by 1. So

s = \sqrt{\frac{5*(0-1.52)^2 + 9*(1-1.52)^2 + 5*(2-1.52)^2 + 5*(3-1.52)^2 + 1*(4-1.52)^2}{24}} = \sqrt{\frac{32.24}{24}} = 1.16

3 0
2 years ago
Fencing is sold for $1.50 per foot at the garden store. Shawn needs 24 feet of fence for his new puppy's yard. How much will the
Y_Kistochka [10]

Answer:

$36

Step-by-step explanation:

1.5 × 24 = 36

Hope this helps!

-MoCKEry

3 0
2 years ago
Tim is 5 pounds heavier than Amy. Let Amy's weight will be x pounds
Elenna [48]

Answer:

A) x+5

B) 121

Step-by-step explanation:

A) If Tim is 5 pounds heavier than Amy, an equation for this situation can be modeled by x+5, where Amy is <em>x </em>pounds.

B) If Tim is 126 pounds, then Amy's weight is 126-5=121 pounds.

4 0
3 years ago
A sequence is n(n - 1)<br><br>Which term is 156? The ___th Term​
Bond [772]

Answer:

n(n-1) =156

n^2-n=156

n^2-n-156=0

(n-13) (n+12) =0

so n=13 because it's an ordinary number and can't be negative

3 0
3 years ago
Can someone help me pls
lidiya [134]

Answer:

20 metters long

Step-by-step explanation:

7 0
3 years ago
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