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2 years ago

A line that includes the point (0,0) has a slope of -9. What is its equation in slope-intercept

Mathematics

1 answer:

ikadub [295]2 years ago

3 0

Y=-9x because y=mx+b is the formula so plug in the slope, m(-9) and the x-intercept, x(0)

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If H is in the interior of ∠EFG, m∠EFH = 75°, and m∠HFG = (10x)°, and m∠EFG = (20x − 5)°, then x = ? and m∠HFG = ?

Diano4ka-milaya [45]

Answer:

$x=8$

$\m\angle HFG= 80^\circ$

Step-by-step explanation:

Given that:

Point $H$ is interior of $\angle EFG$ .

$m\angle EFH = 75^\circ\\m\angle HFG = (10x)^\circ\\m\angle EFG = (20x-5)^\circ$

To find:

$x = ?\\m\angle HFG = ?$

Solution:

First of all, let us represent the given values in the form of a diagram.

Kindly refer to the attached image for the given points and values of angles.

We can clearly see that:

$m\angle EFG = m\angle EFH + m\angle HFG$

Putting all the values given in above equation, we get:

$(20x-5)^\circ = 75^\circ + 10x^\circ\\\Rightarrow 20x-10x=75+5\\\Rightarrow 10x =80\\\Rightarrow \bold{x =8}$

$m\angle HFG =10x^\circ\\\Rightarrow m\angle HFG =10\times 8^\circ\\\Rightarrow m\angle HFG = \bold{80^\circ}$

8 0

3 years ago

I want some Mathematics questions about ratio and proportion

Nat2105 [25]

Answer:

Mel fills his gas tank up with 6 gallons of premium unleaded gas for a cost of $26.58. How much would it cost to full an 18 gallon tank?

Jacob ran 10 miles in 80 minutes. At that rate how far would he run in 2.5 hours?

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2 years ago

Read 2 more answers

Use completing the square to solve this quadratic equation.

just olya [345]

B and D is correct :))

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3 years ago

A toy factory makes a red toy, a green toy, and a blue toy. In a lot of 2,500 toys, 500 were red, 1,500 were green, and 500 were

Alborosie

<span>Could you please mark as brainliest? Number of defective blue toys = 0.04 * 500 = 20 Number of defective red toys = 0.04 * 500 = 20 40 defective blue and red toys Probability = 40 / 2500...which simplifies to 2 / 125 if you want your answer as a fraction or 1.6% if you want a percentage or 0.016 if you want a decimal</span>

4 0

2 years ago

Alicia and Jamal completed the following proof: Given: 3x+7=x-5Proof: x=-6

Elis [28]

Answer:

proven x = -6

Step-by-step explanation:

3x+7=x-5

subtract x on both sides

2x + 7 = -5

subtract 7 on both sides

2x = -12

x = -6

5 0

3 years ago