MATHEMATICS MIDDLE SCHOOL

Hello:) anyone able to help with 7? Thank you!

Answers

Answer 1

Answer:

Answer:

Angle of depression from C to T measures approximately $20.52^o$

Step-by-step explanation:

To start, we use triangle DTA to find the length of the side AT, making use of the tangent function:

$tan(23^o)=(AT)/(28\,m) \nAT=tan(23^o)\,* 28\,m\nAT=11.89\,m$

Now we need to find the size of the rectangular land diagonal:

$diagonal=√(28^2+15^2)=31.76\,m$

With this information, we can now find the measure of angle "C" (depression angle from C to T), using the triangle ACT:

$tan(C)=(opposite)/(adjacent) \ntan(C)=(11.89)/(31.76)\nC=arctan((11.89)/(31.76))\nC=20.52^o$

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the ratio of dan's height to his fathers height is 5 to 6 and his father is 68 tall. How tall is Dan?

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Dan is 56 (?) tall

Because 68 divided by 6 is 11.3333 and 11.3333 times 5 is 57 rounded

7000 divided by ten squared

Answers

Answer:

70:) i think that’s the right answer.

Step-by-step explanation:

7000/10=700.
Answer 700

Write each decimal in words 0.214

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Two hundred fourteen thousandths ( Don't add the "and" between hundred and fourteen because they will think the number 0.214 is actually written like 200.14)

What is the volume of a sphere with a diameter of 14 centimeters? Use 3.14 for pi. Round your answer to the nearest hundredth.A 1077.02 cm3
B 1436.03 cm3
C 1975.43 cm3
D 11,494.04 cm3

Answers

Answer:

Step-by-step explanation:

Answer:

B. 1436.03 cm^3

Step-by-step explanation:

What you do is use the formula of the volume of a sphere which is

v=4/3*3.14*r^3.

The r represents radius and the radius is 7 which is half the diameter.

So you will plug 7 into the formula.

V=4/3*3.14*7^3.

V=1436.03 cm^3 which is your answer.

Jenna has a bag that contains 7 red marbles and 25 blue marbles. She selects a marble at random, and then, without replacing the first one, selects another marble at random. What is the probability that Jenna selects a blue marble and then a red marble? Round your answer to the nearest percent. P(blue and red) ≈ %

Answers

17.6%=D so go get 100% bud

You drive 15 miles in one-fourth hour. What is your average speed?

Answers

you have to multiply 15 by 4 to get 60. The speed per hour is 60.

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