Please help me with this asap!

Mathematics

1 answer:

Molodets [167]3 years ago

5 0

Answer:

slope: -3/2
R(6, -10)

Step-by-step explanation:

Point B is 6 units below and 4 units to the right of A, so the slope is ...

slope = (change in y)/(change in x) = -6/4 = -3/2

Point R corresponds to point B, so will be 6 units below and 4 units to the right of point Q.

R = Q + (4, -6) = (2, -4) + (4, -6) = (2+4, -4-6)

R = (6, -10)

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PLEASE HELP ASAP!!!! I GIVE A BRAINLIEST TO THE RIGHT ANSWER!!!!

Mandarinka [93]

Use cosine law to solve the problem. See image attached.
What we're looking for is the length of side A (a side which is opposite with angle A).

This is the formula of cosine law
A² = B² + C² - 2BC cos A

Input the numbers
A² = 75² + 90² - 2(75)(90) cos 85°
A = $\sqrt{75^{2}+90^{2}-2(75)(90)cos85^{0}}$
A = $\sqrt{90^{2}+75^{2}-2(90)(75)cos85^{0}}$

4 0

3 years ago

What's a verbal expression for 5m^2+2

weeeeeb [17]

This can be expressed as five m squared plus two.

5 0

3 years ago

Josh wants to determine the number of loaves of bread he can bake using the 13 and one-third cups of flour he has. If each loaf

motikmotik

Answer:

Approximately 4 loaves of bread.

Step-by-step explanation:

Let us get out the total amount of flour that Josh has first of all. This is $13\frac{1}{3}$ cups of flour.

Each lof requires $3\frac{4}{5}$ cups of flour. This means that to make a loaf, he will be taking out this quantity of flour from the whole lot.

To get the total number of loaves he can make with this quantity of flour, we will have to divide the total quantity of flour available by the quantity required to make a single loaf.

This will be $13\frac{1}{3}$ ÷ $3\frac{4}{5}$ = $3\frac{29}{57}$ . This is approximately 4 loaves of bread