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adoni [48]
3 years ago
12

Question 11(Multiple Choice Worth 1 points) (07.01 MC) The picture shows a barn door: A barn door has two parallel bars, each of

length 4 feet. A support AB runs across the diagonal between the two parallel bars. The angle made by the diagonal with the parallel bar on top is 45 degrees.
Mathematics
2 answers:
WINSTONCH [101]3 years ago
6 0
Hypotenuse= 9/sin 60=10.39 ft.
the length of the support AB is 10.39 ft.
SOVA2 [1]3 years ago
6 0

Answer:

The answer is 7/sin45 degrees

Step-by-step explanation:

I took the test and got it right.

The options were:

A.) 7/cos 45-degrees

B.) 7 tan 45-degrees

C.) 7/sin 45-degrees

D.) 7 cos 45-degrees

C will be your answer :)

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Construct the graph of the equation y=kx if it is known that the point B belongs to the graph. The graph of which of these two e
PIT_PIT [208]

Answer:

The graph with B(2,-3) i.e) y=\frac{-3}{2} x goes through the point M(-10,15).

Step-by-step explanation:

Consider M(-10,15) and given that equation is y = kx.

Now, substitute M(-10,15) in the equation

⇒ 15 = k × -10

⇒ k = \frac{15}{-10} = \frac{-3}{2}

⇒ y = \frac{-3}{2} x

Now, check with the given points B(2,-3) and B(3\frac{1}{3} , -2)

1) B(2,-3)

y = \frac{-3}{2} x

⇒(-3) = \frac{-3}{2} × 2

⇒ -3 = -3 ⇒ LHS = RHS

⇒ B(2,-3) is the required point.

2) for b(3\frac{1}{3} , -2)

LHS ≠ RHS.

So,The graph with B(2,-3) i.e) y=\frac{-3}{2} x goes through the point M(-10,15).

8 0
2 years ago
a snowball is rolled down a giant hill. the radius of the snowball grows. every second the radius increases by 0.36 inches. four
Bad White [126]

Based on the fact that the radius of the snowball increases by 0.36 inches every second, the linear function can be found to be y = 0.36x + 1.66

<h3>How to find the linear function?</h3>

The linear function is the function that shows how to change in the rate of the independent variable would affect the rate of change in the dependent variable.

The linear function takes the form:

y = mx + b

y = dependent variable

m = slope or change in radius of snowball

x = seconds

b = y-intercept

Solving for the y-intercept gives:

3.1 = 0.36(4) + b

b = 3.1 - 1.44

= 1.66

The linear function is therefore:

y = 0.36x + 1.66

Find out more on linear functions at brainly.com/question/28029655

#SPJ1

3 0
1 year ago
PLEASE HELP?! Explain how to do these types of problems fast!!
uranmaximum [27]

Answer:

m∠J = m∠Z = 46°

Step-by-step explanation:

m∠J = m∠Z = 46°

6 0
3 years ago
Julio and Tina open bank accounts on the same day. Julio opens his with $100 and
iren2701 [21]

Answer:

you would need just 4 equation

4 0
2 years ago
The batting wang xiu ying uses to fill quilts has a thermal conductivity rate of 0.03 watts (W) per meter(m) per degree celsius.
mr_godi [17]
For this unit conversion problem, you'll need to know:

1 m = 100 cm

Now let's convert with this conversion ratio!

0.03 \frac{W}{m C} \times \frac{1 m}{100 cm} = 0.003 \frac{W}{cm C}
6 0
3 years ago
Read 2 more answers
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