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nirvana33 [79]
3 years ago
7

Pleaseeeeeeeeee help

Mathematics
1 answer:
Anna35 [415]3 years ago
7 0

Answer:

the answer is 240

Step-by-step explanation:

6x10=60

60x8=480

480÷2=240

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Find the slope of the line through p and q. p(5, −9), q(−5, 6)
kykrilka [37]

Answer: slope = -1,5

Step-by-step explanation:

We can use slope formula to find the slope of a line that passes through two points (x₁ , y₁) and (x₂ , y₂)

m = ∆y/∆x = (y₂ - y₁)/(x₂ - x₁)

Given points are: p(x₁ , y₁) = (5 , −9) and q(x₂ , y₂) = (−5 , 6)

Substituting these two known points in the slope formula, we have:

m = (6-(-9))/(-5-5) = 15/-10 = -1,5

Therefore, the slope of this line = -1,5  

Answer: slope = -1,5

<h2><em>Spymore</em></h2>

7 0
3 years ago
Find the inverse of the function f(x) = 5/6x +10
UkoKoshka [18]

Answer:

\displaystyle f^{-1}(x)=\frac{6x-60}{5}

Step-by-step explanation:

<u>Inverse function</u>

Given the function

\displaystyle f(x)=\frac{5}{6}x+10

We find its inverse following the procedure below:

  • Set y=f(x)

\displaystyle y=\frac{5}{6}x+10

  • Multiply by 6:

6y=5x+60

  • Operate:

5x=6y-60

  • Solve for x:

\displaystyle x=\frac{6y-60}{5}

  • Swap variables:

\displaystyle y=\frac{6x-60}{5}

  • Make the new y the inverse function:

\boxed{\displaystyle f^{-1}(x)=\frac{6x-60}{5}}

This is the inverse function

4 0
3 years ago
What are all the factor pairs of 28?
baherus [9]

Answer: All the factor pairs of 28 are:

1, 2, 4, 7, 14, 28

Step-by-step explanation:

We can move from the outsides on opposite sides (->this way<-) and pair the numbers together to make sets of the number that will multiply to make 28

6 0
4 years ago
Evaluate 3⋅(1−21/0−^3)+12 <br><br> A.−3,012 <br><br> B. −2,988 <br><br> C.2,600 <br><br> D.3,066
SSSSS [86.1K]
I would say C, that's what I got
4 0
3 years ago
A boat travels 8 miles north from point A to point B. Then it moves in the direction S 40°W and reaches point Finally, it turns
uysha [10]

Answer:

B.18. 44 miles

Step-by-step explanation:

We are given that

Distance between A and B=8 miles

Angle B=Angle BCQ=40 degree (Alternate interior angles)

Angle ACB=180-Angle ACP-Angle BCQ

Angle ACB=180-40-40=100 degree

In triangle ABC

Angle A+ Angle B +Angle C=180 degree using sum of angles of triangle property

Substitute the values

\angle A+40+100=180

\angle A+140=180

\angle A=180-140

\angle A=40 degree

Angle A=Angle B

When two angles are equal of a triangle then the triangle is isosceles triangle.

Therefore, triangle ABC is an isosceles triangle.

\implies BC=AC

Now, Sine law

\frac{a}{sin A}=\frac{b}{sin B}=\frac{c}{sin C}

Using the sine law

\frac{BC}{sin 40}=\frac{AB}{sin 100}

\frac{BC}{sin 40}=\frac{8}{sin 100}

BC=\frac{8\times sin40}{sin 100}

BC=5.22

AC=BC=5.22 miles

Now, total distance covered by the boat=AB+BC+AC

Total distance covered by the boat=8+5.22+5.22=18.44 miles

Hence, option B is correct.

4 0
3 years ago
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