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3 years ago

What number starts on the y-axis that goes up ? Help please !!!

Mathematics

1 answer:

Ivan3 years ago

4 0

Start with the y intercept....(0,5.1), then graph (5,4.7) and so forth. (P.S. connect the points as you go)

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Find the equation of the line that passes through (−4, 8) with slope −3. Write in slope-intercept form. F y = – 3x – 4 G y = – 4

storchak [24]

Answer: y=-3x-4

Step-by-step explanation:

Since we know slope, we can plug it into slope-intercept form to find the y-intercept by using the given points,

y=-3x+b

8=-3(-4)+b

8=12+b

b=-4

Now that we know the y-intercept, we can complete the slope-intercept form.

y=-3x-4

8 0

3 years ago

Bugs Bunny was 42 meters below ground, digging his way toward Albuquerque, when he realized he wanted to be above ground. He tur

lora16 [44]

The strategy

Model the situation as a right triangle.

Determine the appropriate trigonometric ratio in order to find the missing angle.

Form an equation and solve for the missing angle.

Calculate the final result and round.

Modeling as a right triangle

This situation can be modeled by the following right triangle. The hypotenuse is 100 meters and the height is 42 meters. We are asked to find the angle of elevation, which is the angle on the left.

Determining the appropriate trigonometric ratio
We are given the side opposite to the missing angle and the hypotenuse The appropriate trigonometric ratio is therefore the SINE.

Forming an equation and solving

Denoting the missing angle by θ, we obtain the equation $sin(0)= 42/100$ 

Solving the equation, we get $0=sin^-^1 (42/100)$

Evaluating this result in the calculator and rounding to the nearest tenth, we get θ = $24.8^0$ degrees.

3 0

4 years ago

The blueprint of a rectangular fountain shows that the length will be 7 feet longer than twice it's width. The area of the recta

bazaltina [42]

Answer:

D .(w)(2w+7)=85

Step-by-step explanation:

Hi, to answer this question we have to apply the next formula:

Area of a rectangle: width x length

Since the length will be 7 feet longer than twice its width (w).

So, to obtain the length we have to multiply the width by 2 (twice) and add 7.

Mathematically speaking:

Length: 2w+7

Back with the area formula:

Area of a rectangle: length x width

Replacing with the values given:

85 = w (2w+7)

Note: option D correct equation is D .(w)(2w+7)=85, since we don't have x variables.

5 0

4 years ago

Pleeeeease help me!!!

cricket20 [7]

Hello!

We solve this algebraically

y + 6 = 3/2(x - 4)

We distribute the 3/2

y + 6 = 3/2x - 6

If you work with decimals easier we can make 3/2 into a decimal

y + 6 = 1.5x - 6

Add 6 to both sides

y + 12 = 1.5x

subtract y from both sides

1.5x + -y = 12

Hope this helps!

8 0

4 years ago

Graph the line that contains the point (-2,7) and has slope of 4

allsm [11]

Go up 7 on the coordinate plane (up 7 on the y-axis). Go left 2 on the x-axis. Draw a dot where -2 and 7 meet. That is the point. Assuming you have a grid go up 4 and 1 to the right. Draw a point. Then go back to the first point (-2,7). Go down 4 and 1 to the left. Repeat this as many times as you want. Connect the points and draw the line.

6 0

3 years ago