3 years ago

Which statement about histograms is true?

Mathematics

2 answers:

sattari [20]3 years ago

8 0

Answer:

Histograms can be used to exhibit the shape of distributions.

Step-by-step explanation:

kondor19780726 [428]3 years ago

3 0

Answer: Histograms can be used to exhibit the shape of distributions.

Step-by-step explanation:

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Evaluate tan45/sin30 . In your final answer, include all calculations.

Maslowich

From the identity $\displaystyle{ \tan x= \frac{\sin x}{\cos x}$ , and from the values:

$\sin45^{\circ}=\cos45^{\circ}= \frac{ \sqrt{2}}{2}$ ,

we have: $\displaystyle{ \tan 45^{\circ}= \frac{\sin 45^{\circ}}{\cos 45^{\circ}}= \frac{ \frac{ \sqrt{2}}{2}}{\frac{ \sqrt{2}}{2}} =1$ .

We also know that $\sin30^{\circ}= \frac{1}{2}$ .

Thus, $\displaystyle{ \frac{\tan 45^{\circ}}{\sin30^{\circ}} = \frac{1}{\frac{1}{2}}=2.$

Answer: 2

8 0

3 years ago

Please help me with this

Dmitriy789 [7]

Answer:

Step-by-step explanation:

sqrt(49)

What number times itself = 49

7*7 = 49

and

-7*-7 = 49

Given the choices choose 7