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Sliva [168]
3 years ago
10

In the triangle below.

Mathematics
1 answer:
Sergeu [11.5K]3 years ago
7 0

Answer:

(1)  36.6 feet

Step-by-step explanation:

m∡Q = 180-(90+55) = 35

sin 35°/21 = sin 90°/PQ

cross-multiply to get:

21 = sin35·PQ

21/sin 35 = PQ

PQ = 36.6

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A ball is thrown in the air from a ledge. Its height in feet is represented by 
Genrish500 [490]

check the picture below.

\bf \stackrel{f(x)}{0}=-16(x^2-6x-7)\implies 0=x^2-6x-7 \\\\\\ 0=(x-7)(x+1)\implies x= \begin{cases} \boxed{7}\\ -1 \end{cases}

it cannot be -1, because is a seconds amount after moving.

8 0
3 years ago
Figure A is dilated by a scale factor of 1 to form Figure B.
son4ous [18]

Answer:

  • C. 8 inches

Step-by-step explanation:

Note. The original question is attached.

<u>Solution:</u>

Scale factor is 1/2 and the corresponding side has a length of 16 inches.

<u>The value of x is:</u>

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6 0
3 years ago
A kite is flying 300 feet above the person flying it. The angle of depression to the person holding the kite is
Triss [41]

Answer:

the answer i got was 1159.1

Step-by-step explanation:

cos75 = 300/x

0.25881905 = 300/x

multiply everything by x

0.25881905x = 300

Divide everything by 0.25881905

x = 1159.1

is that close to any of your answers?

5 0
3 years ago
– g+15&gt;13<br> please help meee
Lorico [155]

Answer:

g>2

Step-by-step explanation:

-g>13-15

-g>-2

g>2

you are welcome

7 0
1 year ago
Read 2 more answers
Amir has a bag of dimes and quarters. He has a total of 31 coins worth $5.20.
Step2247 [10]

Answer

B is the correct answer.

Step-by-step explanation:

This is the given information for which system of equations would be used to find out how many dimes and quarters Amir has?

x = dimes          x = 0.10 or 0.1

y = quarters      y = 0.25

31 coins

worth $5.20       = 5.2

x + y = 31

0.1x + 0.25y = 5.2

3 0
3 years ago
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