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3 years ago

Are -125 degrees and 225 degrees coterminal angles ?

1 answer:

7 0

No because to find the coterminal angle you add -125+360 which equals 235 degrees. Therefore they are not coterminal angles.

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Mathematics question help

Nat2105 [25]

Distance Formula: $\sqrt{(x_{2} - x_{1})^2 + (y_{2} - y_{1})^2}$

Point 1: (9,0)

Point 2: (5,-8)

D = sqrt[ (5 - 9)^2 + (-8 - 0)^2 ]

D = sqrt[ (-4)^2 + (-8)^2 ]

D = sqrt[ 16 + 64]

D = sqrt(80)

Hope this helps!

4 0

3 years ago

Read 2 more answers

Is 21/50 in simplest form?

Serhud [2]

Yes 21/50 is in simplest form

3 0

3 years ago

Estimate and then solve 8,784 ÷ 61 = ___. answers: 133 134 143 144 I WILL MARK U BRAINLEIST IF ITS RIGHT

Oxana [17]

Answer:

The answer is 144

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

How do I add fractions

vivado [14]

Step-by-step explanation:

1 Find common denominator (lower numbers)

2 add numerators(top numbers)

3 put the numerator over the denominator

ex 3/4+2/8

3x2=6,4x2=8

3/4=6/8

6/8+2/8=8/8 or 1

3 0

2 years ago

Read 2 more answers

Afirm’s marketing manager believes that total sales X can be modeled using a normal distribution with mean m ¼ $2.5 million and

Ugo [173]

Answer: 0.0475

Step-by-step explanation:

Given : A firm’s marketing manager believes that total sales X can be modeled using a normal distribution.

Where , Population mean : $\mu=2.5\text{ million}=2.5\times1000000=2500000$

Standard deviation : $\sigma=300000$

To find : Probability that the firm’s sales will exceed $3 million i.e. $ 3,000,000.

∵ $z=\dfrac{x-\mu}{\sigma}$

Then , for x= 3,000,000

$z=\dfrac{3000000-2500000}{300000}=1.67$

Then , the probability that the firm’s sales will exceed $3 million is given by :-

$P(z>1.67)=1-P(z$

Hence, the probability that the firm’s sales will exceed $3 million = 0.0475

4 0

3 years ago