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Yuki888 [10]
3 years ago
5

3.

Mathematics
1 answer:
grandymaker [24]3 years ago
6 0

Answer:

The Answer is is option B.

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A carpenter is constructing staircase in a house. The distance from the floor to the basement is 10.8 feet. The staircase will b
konstantin123 [22]

Answer:

\theta = 40.59^\circ

Step-by-step explanation:

Given

The question is illustrated with the attached image

Required

Find \theta

To do this, we use sine formula

i.e.

\sin(\theta) = \frac{Opposite}{Hypotenuse}

So, we have:

\sin(\theta) = \frac{10.8}{16.6}

\sin(\theta) = 0.6506

Take arc sin

\theta = \sin^{-1}(0.6506)

\theta = 40.59^\circ

4 0
2 years ago
Kina is cleaning the tiles inside her pool today. The pool was 4/7 full of water at the
baherus [9]

Answer:

1)2/7

2) 500

3) 1,000

hope you like this answer

stay at home stay safe

keep rocking

4 0
3 years ago
Read 2 more answers
(1.) decide if function f is invertible.
Lubov Fominskaja [6]
<span>a) f(n) is the number of students in your calculus class whose birthday is on the nth day of the year.

f(n) is not invertible because several different days, n, may have the same number of students, f(n). Then for one specific f(n) you cannot determine a unique n.

b) f(x) is the volume in litters of x kilograms of water at 4 degrees celsius.?

f(x) is invertible because each x gives a different f(x), then you can determine unambiguously which f(x) corresponds to each x.
</span>
4 0
3 years ago
Solve 10(y+7)=12y for y
12345 [234]

Answer:

y=35

Step-by-step explanation:

10(y+7)=12y

10y+70=12y

70=12y-10y

70=2y

70/2=y

35=y

therefore, y=35

7 0
3 years ago
Read 2 more answers
−126 = 14k<br> MAKE SURE TO SHOW YOUR WORK PLEASE HURRY
vovangra [49]

Answer:

k = -9

Step-by-step explanation:

When a number (coefficient) is next to a letter (variable) that means you multiply. To solve you would to the opposite, which is to divide.

-126 ÷ 14 = -9

So -9 is equal to k.

Hope that helps and have a great day!

3 0
3 years ago
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