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3 years ago

Which is a correct classification for the triangle?

Mathematics

2 answers:

Anvisha [2.4K]3 years ago

8 0

Answer:

This is an equilateral triangle

Step-by-step explanation:

All three sides are equal, making it equilateral

blsea [12.9K]3 years ago

7 0

Step-by-step explanation:

All three sides are equal, so this is an equilateral triangle.

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If m∠ABC = 72°, what is m∠DAB?<br> A) 72° <br> B) 108° <br> C) 144° <br> D) 216°

11111nata11111 [884]

The answer would be B
What you would do is 180-72= 108 degrees

3 0

3 years ago

Read 2 more answers

36 is 0.9 of what number?

notsponge [240]

To solve for x you do these steps
x=number

1. do this following multiplication problem to get 0.9%
36/x*100%= 0.9%

2. now do the opposite of what you did before to get x
36 divided by 0.9%= x

36 divided by 0.9%= 40

x = 40

5 0

3 years ago

Read 2 more answers

A computer manufacturing company has sent a mail survey to 2,800 of its randomly selected customers that have purchased a new la

vodka [1.7K]

Answer:

The 96% confidence interval for the population proportion of customers satisfied with their new computer is (0.77, 0.83).

Step-by-step explanation:

We have to calculate a 96% confidence interval for the proportion.

We consider the sample size to be the customers that responded the survey (n=800), as we can not assume the answer for the ones that did not answer.

The sample proportion is p=0.8.

$p=X/n=640/800=0.8$

The standard error of the proportion is:

$\sigma_p=\sqrt{\dfrac{p(1-p)}{n}}=\sqrt{\dfrac{0.8*0.2}{800}}\\\\\\ \sigma_p=\sqrt{0.0002}=0.014$

The critical z-value for a 96% confidence interval is z=2.054.

The margin of error (MOE) can be calculated as:

$MOE=z\cdot \sigma_p=2.054 \cdot 0.014=0.03$

Then, the lower and upper bounds of the confidence interval are:

$LL=p-z \cdot \sigma_p = 0.8-0.03=0.77\\\\UL=p+z \cdot \sigma_p = 0.8+0.03=0.83$

The 96% confidence interval for the population proportion is (0.77, 0.83).

4 0

3 years ago

0) How many yards is 24 feet?

masha68 [24]

Answer:

8 yards

Step-by-step explanation:

1 foot = 0.33 yards

(0.33) x (24) = 8

therefore there are 8 yards in 24 feet

6 0

3 years ago

Suppose that c varies jointly with d and the square of g, and c = 30 when d = 15 and g = 2.

maksim [4K]

Answer:

$d = \dfrac{3}{16}$

Step-by-step explanation:

c varies jointly with d and the square of g

$c\propto dg^2$

$c=kdg^2$

where, k is constant of proportionality.

Put the given value c = 30 when d = 15 and g = 2 and find out k

$30=k\cdot 15\cdot 2^2$

$k=\dfrac{1}{2}$

$c=\dfrac{1}{2}kg^2$

If c = 6 and g = 8 then d = ?

$6=\dfrac{1}{2}\cdot d\cdot 8^2$

$d=\dfrac{6\cdot 2}{8^2}$

$d=\dfrac{3}{16}$

Hence, The value of d is $\dfrac{3}{16}$

5 0

3 years ago