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kari74 [83]
3 years ago
10

Biana uses an angle measuring device on a 3-foot tripod to find the height, h, of a weather balloon above ground level, as shown

in this diagram. The balloon is at a 40o angle of elevation. A radio signal from the balloon tells Bianca that the distance between the tripod and the balloon is 25,000 feet. Find the height, h, of the balloon above ground level?
Mathematics
1 answer:
Alexxx [7]3 years ago
3 0
It would be 25003 I think? im sorry if its wrong

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Please ASAP help please !!! Help me anyone
worty [1.4K]

difference of squares means that both the terms are square terms. (also there must be a - symbol)

for example

y^2 - 4

square root of y^2 is y

square root of 4 is +2 as well as -2

so you would factorise it like this:

(y+2)(y-2)

1. y^4 has a square root of y^2 as y^2 × y^2 is y^4.

<em>h</em><em>o</em><em>w</em><em>e</em><em>v</em><em>e</em><em>r</em><em>,</em><em> </em>-2 doesnt have a whole number square root so it is not a difference of squares.

2. 25 has a square root of 5. m^2 has a square root of m. n^4 has a square root of n^2. so this 25m^2n^4 is a square term.

1 has a square root of +1 and -1.

therefore, this one is a difference of squares. <u>(</u><u>5</u><u>m</u><u>n</u><u>^</u><u>2</u><u> </u><u>+</u><u>1</u><u>)</u><u> </u><u>(</u><u>5</u><u>mn^2</u><u> </u><u>-</u><u>1</u><u>)</u>

3. p^8 has a square root of p^4. q^4 has a square root of +q^2 and -q^2)

so it is a difference of squares. <u>(</u><u>p</u><u>^</u><u>4</u><u>+</u><u>q</u><u>^</u><u>2</u><u>)</u><u>(</u><u>p</u><u>^</u><u>4</u><u> </u><u>-</u><u>q</u><u>^</u><u>2</u><u>)</u>

4. 16x^2 is a square term as irs square root is 4x.

<em>h</em><em>o</em><em>w</em><em>e</em><em>v</em><em>e</em><em>r</em><em>,</em><em> </em>24 is not a square term.

therefore, it is not a difference of squares.

6 0
3 years ago
Find missing side x trig quiz q.4
Sladkaya [172]

Answer:

C

Step-by-step explanation:

Sinፀ = opposite / hypotenuse

sinፀ = 12mm / 48mm

ፀ= Arcsin(12/48)

=16.7°

7 0
2 years ago
Which of the following are equivalent to the expression x^1/3*x^1/2? Select all that apply
mars1129 [50]

Answer:

options 2,4 and 6 should be correct.

Step-by-step explanation:

5 0
3 years ago
Sophia‘s favorite homemade cookie recipe requires one cup of chocolate chips for 10 servings if the number of cups required for
weqwewe [10]

Answer:

3 cups

Step-by-step explanation:

We can use a proportion to find how many cups of chocolate chips she needs for 30 servings. Assuming c = cups of chocolate chips and b = batches

\frac{c}{b}

\frac{1}{10} = \frac{c}{30}

We can now multiply the diagonal values that don't include the missing variable (30 and 1) and then divide it by the value that is diagonal to the variable (10)

30 \cdot 1 = 30\\30 \div 10 = 3

Therefore, she needs 3 cups of chocolate chips to make 30 servings.

8 0
3 years ago
Read 2 more answers
The volume of a cube is 27 cubic inches. What is the length of one edge of the cube?
yawa3891 [41]

Answer:  3

Step-by-step explanation: 3*3*3=27

7 0
2 years ago
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