3 years ago

I need help . With 1a 1b and 2. The answer are correct but how do you get to the answer

1 answer:

5 0

If you need help the first one is go put your number + bye the 500 and that is answer for 1a do the second one I hope that helps

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TriangleABC has three sides with these lengths: AB=9, BC=40, and CA=41, What is the value of cos C?

Otrada [13]

Answer:

9² = 40² + 41² - 2(40)(41) cos(C)

81 = 1600 + 1681 - 3280 cos(C)

81 = 3281 - 3280 cos(C)

-3200 = -3280 cos(C)

cos(C) = 3200 / 3280

cos(C) = 40 / 41

Step-by-step explanation:

3 0

3 years ago

Consider the right triangle. A right triangles with side lengths 28 meters and 45 meters. The hypotenuse is unknown. What is the

omeli [17]

Answer:

The answer is 53 or Square Root (sqrt) of 2809

Step-by-step explanation:

a^2+b^2=c^2

28^2+45^2=c^2

784+2025=c^2

c^2=sqrt 2809

c = 53

8 0

3 years ago

Read 2 more answers

Explain weather or not the two triangles below could lie on the same line. Be sure to use the slope of each triangle in your jus

KonstantinChe [14]

Answer:

No, these triangles cannot lie on the same line.

Step-by-step explanation:

For two triangles to lie on the same line they must have the same slope.

The slope of the bigger triangle is

$m=\frac{rise}{run} =-\frac{18}{10} =-1.8$

and the slope of the smaller triangle is

$m=\frac{rise}{run} =-\frac{2}{3} =-0.67$

slopes are negative because the triangles are leaning to the left.

We see that the slopes of the two triangles are not the same; therefore, they cannot lie on the same line.

5 0

3 years ago

A shape is covered by 40 unit squares. What is the area of the shape

ollegr [7]

Hello!

I believe that the answer would be 40²

I hope this helps!

6 0

3 years ago

6 sweets cost 24p all together how much do 5 sweets cost

Vlada [557]

Cost of 6 sweets = 24p

so, cost of 1 sweet = 24p/6 = 4p

Now, cost of 5 sweets will be =4p*5 = 20p

3 0

3 years ago