A tree casts a shadow 21m long. The angle of elevation of the sun is 51º. What is the height of the tree? Round your answer to the nearest tenth.

Answers

Answer 1

Answer:

25.9

Step-by-step explanation:

Answer 2

If a tree casts a shadow 21 m long. Then the height of the tree will be 25.9 meters.

What is a right-angle triangle?

It's a form of a triangle with one 90-degree angle that follows Pythagoras' theorem and can be solved using the trigonometry function.

A tree casts a shadow 21 m long.

The angle of elevation of the sun is 51°.

Let h be the height of tree.

Then the height of the tree will be

tan 51° = h / 21

        h = 25.93 m

More about the right-angle triangle link is given below.

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Related Questions

What is 82×68 this is very hard

Answers

Answer:

5576

Step-by-step explanation:

Answer: 82 × 68 = 5576~Sweetheart, simply use long multiplication to evaluate, then you get the answer:5576~

Hope you have a good day, Loves!

Also if I'm right can you let me know please?

Also Also if I am right can I have Brainliest??

PLEASE ANSWER ASAP


Maryam writes down the following 6 numbers
11, 11, 12, 18, 19, A

Maryam works out the mean of the 6 numbers, she then increases the value of a by 60
What will this do to the mean of the 6 numbers?

Answers

It will make it increase by a lot

I need help with math

Answers

Answer:

6:3

Step-by-step explanation:

Shannon drank 1/5 cup of milk
and 3/4 cup of water. How much
did she drink altogether?
Answer


Answers

Answer:

does it have to be simpilfied? if not:   19/20

Step-by-step explanation:

convert 10009 out of 17%​

Answers

Answer:

Step-by-step explanation:

To convert 10,009 to 17%, turn 17% to decimal and multiply that by 10,009 (10,009 * 0.17), which equals 1,701.53

IF you meant to convert the fraction 10,009/17% (read as "10,009 out of 17 percent, ") then simply convert 17% to a decimal (0.17) and divide 10,009 by 0.17 (10,009/0.17) which is about 58,876.47, for full decimal, use a calculator and do 10,009/0.17

The question is kind of confusing so tell me what you meant

PLEASE HELP ME match the equations at the bottom of the screen to the graph.TYSM

Answers

Answer: It's given in the equations.

Step-by-step explanation:

First One

f(x) = -2^x

Second

f(x) = -4(2)^x

Third

f(x) = 4(2)^x

Fourth

f(x) = 2^x

A bag contains tiles number 1-10. What is the probability of first selecting a PRIME number, replacing it, then selecting a number less than or equal to 3?​

Answers

Answer:

0.12 = 12% probability of first selecting a PRIME number, replacing it, then selecting a number less than or equal to 3

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

Probability of independent events:

Suppose we have two events, A and B, that are independent. The probability of both happening is given by:

[tex]P(A \cap B) = P(A) \times P(B)[/tex]

In this question:

Event A: Selecting a prime number.

Event B: Selecting a number less than or equal to 3

Probability of selecting a prime number:

Between 1 and 10, we have 4 prime numbers(2,3, 5 and 7), out of 10. So

[tex]P(A) = \frac{4}{10}[/tex]

Probability of selecting a number less than or equal to 3:

Three numbers(1,2,3) out of 10. So

[tex]P(B) = \frac{3}{10}[/tex]

Probability of both:

[tex]P(A \cap B) = P(A) \times P(B) = \frac{4}{10} \times \frac{3}{10} = \frac{12}{100} = 0.12[/tex]

0.12 = 12% probability of first selecting a PRIME number, replacing it, then selecting a number less than or equal to 3

PLEASE HELP IN ONE MINUTE WILL MARK BRAINLIST

Answers

Answer:

1,-2  | -2,7 ????

Step-by-step explanation:

Which of the following is not a statement?
a) Math is hard.
b) v2 is a rational number.
C) Plants require water to live.
d) Lake Martin is a man-made lake.

Answers

This is tricky maybe C

A ) I am just guessing

isbslw

How much water is in a empty glass that is 10 centimeters high and has a diameter of 5 cm

Answers

Answer = 196.34ML

If the length is 10cm and the diameter 5cm then the answer would be 196.34ML or 6.63 FL Oz
If the water is in a empty glass that is 10 centimeters high and has a diameter of 5cm it would be 6.63 FL

Division of fractions

Answers

Answer:

The first step to dividing fractions is to find the reciprocal (reverse the numerator and denominator) of the second fraction. Next, multiply the two numerators. Then, multiply the two denominators. Finally, simplify the fractions if needed.

Answer:

Dividing by fractions is just like multiplying fractions, except for one additional step. To divide any number by a fraction: First step: Find the reciprocal of the fraction. Second step: Multiply the number by the reciprocal of the fraction. Third step: Simplify the resulting fraction if possible.

Step-by-step explanation:

Hope this helps

Find the 18h term of the arithmetic sequence whose common difference is d=4 and whose first term is a, =3.

Answers

Answer:

the 18th term is 71

Step-by-step explanation:

The general form for any term "n" in an arithmetic sequence is:

a(n) = a1 + (n-1) * d

where "d" is the common difference.

So, in our case we have:

a(n) = 3 + (n-1) *4

Therefore, the 18th term will be:

a(18) = 3 + (18 - 1) 4 = 3 + 17 * 4 = 71

Wheel I has diameter 24.9 in. Wheel II has diameter 21.0 in. Round the diameter of each wheel to the nearest inch. About how much farther will Wheel I travel in one​ rotation? Use 3.14 for π.

Answers

Answer:

76

Step-by-step explanation:

because the other guy said so

What does b stand for 11.3 > b/4.3

Answers

Answer:

b = 45.69

Step-by-step explanation:

5 x 5 = 25

25 x 2 & and a half = 45.69

In the inequality expression "11.3 > b/4.3," the variable "b" represents an unknown numerical value.

In the inequality 11.3 > b/4.3, b is the variable.

The inequality is stating that 11.3 is greater than the result of dividing "b" by 4.3.

The purpose of the inequality is to compare the value of 11.3 with the value of "b/4.3" and determine if 11.3 is greater or not.

The variable "b" can take any value that satisfies the inequality.

Hence, in the inequality b stands for unknown value or variable.

To learn more on Inequality click:

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Anyone knows this one

Answers

Answer:

10 over 11

Step-by-step explanation:

Y2 minus Y1 over X2 minus X1

Answer:

10/11 or 10 over 11 rise

Step-by-step explanation:

Slope formula: (y2 - y1) / (x2 - x1)

(-20 - 0) / (-14 - 8)

(-20) / (-22)

= 10/11

Select all the equations that describe each situation and then find the solution.

Kiran’s backpack weighs 3 pounds less than Clare’s backpack. Clare’s backpack weighs 14 pounds. How much does Kiran’s backpack weigh?

Answers

Answer:

Its 11

Step-by-step explanation:

Solve for X:
5x - 14 = 8x + 4

a X = -6
b
X = 10/3

c
X = 6
d
X = -18/13

Answers

Answer:

a) x = -6

Step-by-step explanation:

5x - 14 = 8x + 4

-14 = 3x + 4

-18 = 3x

x = -6

Answer:

A) 5 (-6) - 14 = 8 (-6) + 4

- 30 - 14 = - 48 + 4

- 44 = - 44

Step-by-step explanation:

La respuesta correcta es la A, ya que x = - 6

1) (35 + 17) + 43 = 35+ (17 + 43)

Answers

Answer:

95?

Step-by-step explanation:

Which equation shows the relationship between d and t?

Answers

Answer:

d=50t

Step-by-step explanation:

for every d, t is d times 50

Top one because 50x2=100 distance

Can someone please help me with my math homework?

Answers

Where’s the picture

Solve the equation for all real solutions in simplest form.
3z^2+17z+16=0

Answers

Answer:

[tex]x=\frac{-17+\sqrt{97}}{6}[/tex], [tex]x=\frac{-17-\sqrt{97}}{6}[/tex]

Step-by-step explanation:

Use the quadratic formula to solve for all real solutions.

Quadratic formula: [tex]x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}[/tex]

Plug in and solve:

[tex]x=\frac{-17\pm\sqrt{17^2-4(3)(16)}}{2(3)}\\\\x=\frac{-17\pm\sqrt{289-4(3)(16)}}{2(3)}\\\\x=\frac{-17\pm\sqrt{289-12(16)}}{2(3)}\\\\x=\frac{-17\pm\sqrt{289-192}}{2(3)}\\\\x=\frac{-17\pm\sqrt{97}}{6}\\[/tex]

Since that's the farthest we can simplify to, your answers would be the positive and negative versions of the expression:

[tex]x=\frac{-17+\sqrt{97}}{6}[/tex]

and

[tex]x=\frac{-17-\sqrt{97}}{6}[/tex]

5. The daily temperature recorded (in degree F) at a place during a week was as under:
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
35.5
30.8
27.3
32.1
23.8
29.9
Find the mean temperature.​

Answers

Answer:

29.9 °F

Step-by-step explanation:

The formular for mean is given as;

Mean = Sum of Terms / Number of terms

Number of terms = 6

Sum of terms = 35.5  + 30.8  + 27.3  + 32.1  + 23.8  + 29.9 = 179.4

Mean = 179.4 / 6 = 29.9

Mike bakes 24 cookies for some friends. He gives the same number of cookies to 2 friends. How many cookies c does each friend receive? Write an equation to represent the number of cookies each friend receives.​

Answers

Answer:

12 cookies for both friends (assuming you don't get any)

Step-by-step explanation:

24/2=12

since you seem like a kid, that slash means divided by


I need help guys ASAP

Answers

I believe it’s 3 3/4 or H :)

On your own sheet of paper, use long division to find the quotient of 347 ÷ 4.

What is the remainder?

Answers

the answer to this question is 86r3

Answer:

86 Remainder 3

Step-by-step explanation:

What is 347 Divided by 4?

We provide you with the result of the division 347 by 4 straightaway:

347 divided by 4 = 86.75

The result of 347/4 is a terminating decimal with 2 digits to the right of the decimal point.

347 divided by 4 in decimal = 86.75

347 divided by 4 in fraction = 347/4

347 divided by 4 in percentage = 8675%

Note that you may use our state-of-the-art calculator above to obtain the quotient of any two integers or decimals, including 347 and 4, of course. Repetends, if any, are denoted in ().

The conversion is done automatically once the nominator, e.g. 347, and the denominator, e.g. 4, have been inserted. No need to press the button, unless you want to start over.

Give it a try now with a similar division by 4.

What is the Quotient and Remainder of 347 Divided by 4?

Here we provide you with the result of the division with remainder, also known as Euclidean division, including the terms in a nutshell:

The quotient and remainder of 347 divided by 4 = 86 R 3

The quotient (integer division) of 347/4 equals 86; the remainder (“left over”) is 3.

347 is the dividend, and 4 is the divisor.

In the next section of this post you can find the frequently asked questions in the context of three hundred and forty-seven over four, followed by the summary of our information.

Three Hundred And Forty-Seven Divided by Four

You already know what 347 / 4 is, but you may also be interested in learning what other visitors have been searching for when coming to this page. The FAQs include, for example:

What is 347 divided by 4?

How much is 347 divided by 4?

What does 347 divided by 4 equal?

If you have read our article up to this line, then we take it for granted that you can answer these FAQs and similar questions about the ratio of 347 and 4.

347 Divided by 4

Observe that you may also locate many calculations such as 347 ÷ 4 using the search form in the sidebar. The result page lists all entries which are relevant to your query.

Give the search box a go now, inserting, for instance, three hundred and forty-seven divided by four, or what’s 347 over 4 in decimal, just to name a few potential search terms.

.To sum up, 347/4 = 86.75. The number has 2 decimal places. As division with remainder the result of 347 ÷ 4 = 86 R 3.

A trapezoid has a base 1 = 6 base = 8 and a height = 3 whats the area?

Answers

Answer:

[tex]area = 21[/tex]

Step-by-step explanation:

Area of trapezoid formula:

[tex]area = \frac{a + b}{2} h[/tex]

Given information:

a: 6

b: 8

h: 3

Using the given information,

[tex]area = \frac{6 + 8}{2} 3[/tex]

Add the numbers in the numerator

[tex]area = \frac{14}{2} 3[/tex]

Reduce fraction with 2

[tex]area = 7 \times 3[/tex]

Answer:

[tex]area = 21[/tex]

what is the square root of 36

Answers

Answer:

6 !

Step-by-step explanation:

since 6 x 6 = 36, the square root is 6 !

square root is when u multiply two same numbers for the output... so like 49 would b 7, since 7 x 7 = 49 !!

im not sure if that makes any sense, but i hope it helps !!

Harvey the wonder hamster can run 3 1/6 km in 1/4 hour. Harvey runs at a constant rate

Find his average speed in kilometers per hour.

Answers

Answer:

12 2/3 KMPH

Step-by-step explanation:

3 1/6 x 4 (reciprical of 1/4) = 12 2/3

Please help!!!! I don’t understand how to figure it out

Answers

Answer:

(sin x)^2*(sec x) is positive in QII

Step-by-step explanation:

(sin x)^2 is always 0 or positive.  Here x lies in QII.

sec x is positive when the adjacent side is positive and negative when the adjacent side is negative.  In QII the adjacent side is positive.

In summary, (sin x)^2*(sec x) is positive in QII

Jack decides to invest $300 per quarter into an annuity. How long would he have to keep investing if the annuity is paying 8% annually and he wants to accumulate $10,000?

Answers

Answer:

25.95 quarters which is about 6.5 years

Step-by-step explanation:

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