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3 years ago

HELP HOW WOULD I DO THIS? WHAT WOULD THIS BE?? HELP !! PLEASE

Mathematics

1 answer:

Ymorist [56]3 years ago

6 0

You have to find the area of the four triangles which is the perimeter of the base and multiply. It by your height and your case you have to find out if it’s a slant height.

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Find the mean absolute deviation in the following data set: 23, 42, 36, 63, 31

balandron [24]

Answer:

39.2 is the mean

the deviation is 15.2

Step-by-step explanation:

the mean of a set of numbers is the sum divided by the number of terms = 39.2

the deviation measures the spread of a data distribution of the sample = 15.2

5 0

2 years ago

Read 2 more answers

Please answer quick!!

vesna_86 [32]

Are those X’s or K’s

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2 years ago

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What is the term in 3y=7x-9

ehidna [41]

The term in that equation is 3x 7x and -9 hope this helps

7 0

2 years ago

Cherie is jogging around a circular track. She

skelet666 [1.2K]

Answer:

Measure of minor angle JOG is $95.5^{\circ}$

Step-by-step explanation:

Consider a circular track of radius 120 yards. Assume that Cherie starts from point J and runs 200 yards up to point G.

$\therefore m JG = 200 yards, JO=120 yards$ .

Now the measure of minor arc is same as measure of central angle. Therefore minor angle is the central angle $\angle JOG = \theta$ .

To calculate the central angle, use the arc length formula as follows.

$Arc\:Length\left(s\right) = r\:\theta$

Where $\theta$ is measured in radian.

Substituting the value,

$200=120\:\theta$

Dividing both side by 120,

$\dfrac{200}{120}=\theta$

Reducing the fraction into lowest form by dividing numerator and denominator by 40.

$\therefore \dfrac{5}{3}=\theta$

Therefore value of central angle is $\angle JOG = \theta=\left(\dfrac{5}{3}\right)^{c}$ , since angle is in radian

Now convert radian into degree by using following formula,

$1^{c}=\left(\dfrac{180}{\pi}\right)^{\circ}$

So multiplying $\theta$ with $\left(\dfrac{180}{\pi}\right)^{\circ}$ to convert it into degree.

$\left(\dfrac{5}{3}\right)^{c}=\left(\dfrac{5}{3}\right) \times \left(\dfrac{180}{\pi}\right)^{\circ}$

Simplifying,

$\therefore \theta = 95.49^{circ}$

So to nearest tenth, $\angle JOG=95.5^{circ}$

8 0

3 years ago

The number 16 has four fourth roots. In other words, there are four complex numbers that can be entered in the square in the equ

Tems11 [23]

Answer:

Step-by-step explanation:

Hello, we know that the z complex solutions of

$z^4=1$

are

1, i, -1, -i

so, the solutions of $z^4=16=2^4$ are

2, 2i, -2, -2i

Thank you

3 0

3 years ago