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3 years ago

Adjust m and b to graph the equations below.

Mathematics

2 answers:

serious [3.7K]3 years ago

6 0

Answer:

The inverse of y = 2x + 2 is

y = 1/2x - 1

Step-by-step explanation:

just did it on egen

Marat540 [252]3 years ago

5 0

Answer:

The graph of both the equation is attached below, red line is the equation of $y=-x-1$ and blue line indicates the equation of $y = 2x + 2$ . Their y-intercepts are also indicated.

Step-by-step explanation:

Considering the equations

$y=-x-1$

and

$y = 2x + 2$

As the slope-intercept form of the equation is $y = mx + b$ , where $m$ is the slope of the line and $b$ is the y-intercept.

As the equation

$y=-x-1$ and comparing it with $y = mx + b$

So, $m=-1$ and $b = -1$

Also the equation

$y = 2x + 2$ and comparing it with $y = mx + b$

So, $m=2$ and $b = 2$

The graph of both the equation is attached below, red line is the equation of $y=-x-1$ and blue line indicates the equation of $y = 2x + 2$ . Their y-intercepts are also indicated.

Keywords: y-intercept, slop-intercept form, equation, graph, slope

Learn more about slop-intercept form, equation and graph from brainly.com/question/1578921

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A fireplace arch is to be constructed in the form of a semiellipse. The opening is to have a height of 3 feet at the center and

USPshnik [31]

Answer:

Step-by-step explanation:

Given

Fireplace is in the form of semi-ellipse with height of 3 ft from center

Length of base=8 ft

if the arch is in the form of ellipse then it can be considered as horizontal ellipse with 2 a and 2 b be length of major and minor axis

2 a =8

a=4 ft

If contractor cover the whole base

then total length of string=2a =8 ft

(b)String should be nailed at focus

focus of ellipse is a e

where e=eccentricity

$e=\sqrt{1-(\frac{b}{a})^2}$

$e=\sqrt{1-(\frac{3}{4})^2}=\frac{\sqrt{7}}{4}$

Focus $=ae =\sqrt{7}$

Thus string should be nailed at 2.64 m from center

8 0

4 years ago

Ada makes sparkling juice by mixing 2 cups of sparkling water with every 4 cups of apple juice. Let s represent the number of cu

Dafna11 [192]

Answer:

s = 2j

Step-by-step explanation:

Given - Ada makes sparkling juice by mixing 2 cups of sparkling water

with every 4 cups of apple juice. Let s represent the number of

cups of sparkling water and j represent the number of cups of

apple juice.

To find - Write an equation that shows how s and j are related.

Proof -

Let total number of cups of sparkling water make = s

Total number of cups of apple juice make = j

Now,

Given that, Ada makes sparkling juice by mixing 2 cups of sparkling water with every 4 cups of apple juice.

⇒2s = 4j

⇒s = 2j

∴ we get

Ada can makes sparking water by mixing 2j cups of sparking water with every j cups of apple juice.

6 0

3 years ago

Find the slope of the line that passes through (2, 12) and (6, 7).

Elodia [21]

Answer:

m= $\frac{1}{4}$

Step-by-step explanation:

Gladly!

To find the slope, we need to find the change between <em>point a</em> and <em>point b</em>

With the difference between x1 and x2 being 4, and the difference between y1 and y2 being 1, we get a fraction that looks like this,

$\frac{1}{4}$

This right here is the slope of the line. Hope this helps!

8 0

3 years ago

Please I NEED AN ANSWER

Alinara [238K]

Answer:

2. m<6 +m<7 =180

3. m<2 and m<4 are supplementary

5. Substitution

6. m<6 = m<2 ------ Subtraction

7. Corresp. < s =

Hope This Helps!!

6 0

3 years ago

Fanny Mendelssohn manages all the magazines and paperback books at a local grocery store. She prices many paperbacks to sell at

Tpy6a [65]

Answer:

The markup rate is 51% on the cost

Step-by-step explanation:

Price of book = 7.99

Cost to the store = 5.29

The markup rate is a term used to figure what percentage is added on to the cost of the item to find its selling price.

If we subtract cost from the price we will know how much is added to actual cost: 7.99 - 5.29 = 2.7

$Markup rate = \frac{added value}{cost}$

$Markup rate = \frac{2.7}{5.29} = 0.51$

Markup rate is 0.51*100 = 51%

3 0

4 years ago