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Anuta_ua [19.1K]
4 years ago
13

A/-8+15greater than 23

Mathematics
1 answer:
Ilia_Sergeevich [38]4 years ago
8 0

Answer: a

Step-by-step explanation:

\frac{a}{-8}+15>23

Subtract 15 from both sides.

\frac{a}{-8}+15-15>23-15\\\frac{a}{-8} >8

Multiply by -8 to isolate a.

NOTE: When you multiply or divide by negative numbers, the inequality sign flips.

-8*\frac{a}{-8}>8*-8

a

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10 points
oee [108]

Answer:

x = 240 feet

Step-by-step explanation:

It is given that,

The angle of depression is 30 degrees from the bottom of the boat to a  deep sea diver at the depth of 120 ft.

We need to find the distance x the diver must  swim up to the boat. It can be calculate by applying trigonometry as follows :

\sin30=\dfrac{120}{x}\\\\x=\dfrac{120}{\sin30}\\\\x=240\ \text{feet}

So, the distance the diver must swim up to the boat is 240 feet.

6 0
3 years ago
Help me I didn't learn this lesson
Ede4ka [16]
What is the quistions on your test and maybe i can help you

7 0
4 years ago
⅕m - 12 = -32<br> could someone solve this
mihalych1998 [28]

Answer:

m = -100

Step-by-step explanation:

(1/5)m -12 = -32

add 12 on both sides

(1/5)m = -20

multiply both sides by 5

m = -100

8 0
3 years ago
Read 2 more answers
The function h = -t^2 + 95 models the path of a ball thrown by a boy where h represents height, in feet, and t represents the ti
UkoKoshka [18]
Plug in t = 0. This is the same as replacing every copy of 't' with '0'. After that you evaluate

h = -t^2 + 95
h = -(t)^2 + 95
h = -(0)^2 + 95
h = 0 + 95
h = 95

So when the time is t = 0 seconds, the height of the ball is 95 feet. A likely location is that the boy is on top of a very tall building (roughly 95 feet or so) when he threw this ball into the air. 
6 0
4 years ago
What is the area of the semicircle?
Thepotemich [5.8K]
The answer is 56.5 you take pie times the radius squared
4 0
3 years ago
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