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3 years ago

Find the equation of the line that has a slope of 7 and passes through the point (-6,8).

2 answers:

7 0

Y = 7x + 50. Use slope-intercept form (y = mx + b), where m is slope, and b is the y-intercept. Insert the values we already know into the equation. y = 7x + b. Now, insert the x and y-values of your order pair into the equation and solve for b. 8 = 7(-6) + b ---> 8 = -42 + b --> 8 + 42 = -42 + b + 42 --> 50 = b or b = 50. Now that we have the value of b, insert it into the equation as well, and then you have your answer. Answer: y = 7x + 50

Bad White [126]3 years ago

6 0

Y-y1=m(x-x1)
y-8=7(x-(-6))
y-8=7(x+6)
y-8=7x+42
+8 +8
y=7x+50

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please i need help lol The amount of clay students used for their last art project is weighed. The line plot displays the amount

Schach [20]

Answer:

2 1/4

Step-by-step explanation:

We need to see how much clay they used if each person in that group used 3/4 clay. There are 4 people in the group.

=> 3/4 x 4 = 12/4 = 3

Now, we need to see how much clay they used if each person in that group used 1/4 clay. There are 3 people in the group

=> 1/4 x 3 = 3/4

Now, we need to see how much more clay was used.

=>3 - 3/4

=> 3/1 - 3/4

=> Take the LCM of the denominators and make the denominators equal.

=> 12/4 - 3/4

=> 9/4

They used 9/4 more clay.

Since there are no options with 9/4, we need to make this improper fraction into a proper fraction.

=> 9/4 = 2 1/4

They used 2 1/4 more clay.

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3 years ago

The percentage change of a ratio of two variables is approximately the percentage change in the numerator _____ the percentage c

olchik [2.2K]

Answer:

"The percentage change of a ratio of two variables is approximately the percentage change in the numerator minus the percentage change in the denominator."

Step-by-step explanation:

The percent change in a number is determined by dividing the difference between the new number and original number by the original number and multiplying the result by 100.

Suppose the original ratio of two numbers is: $\frac{25}{100}$ .

And the new ratio is: $\frac{75}{100}$

The percent change is:

$Change\%=\frac{75-25}{100}\times100=\frac{50}{100}\times100=50\%$

Thus, the complete statement is:

"The percentage change of a ratio of two variables is approximately the percentage change in the numerator minus the percentage change in the denominator."

8 0

3 years ago

Read 2 more answers

Adiya said that the first step to solving the quadratic equation x2 + 6 = 20x by completing the square was to divide 6 by 2, squ

irina [24]

Answer:

No.

Step-by-step explanation:

In order to complete the square, you need to have the x values together, not the constant.

To complete the square correctly you would need to have x² - 20x = -6 and continue from there; divide 20 by 2 and square the result to get (x - 10)² = 96.

7 0

3 years ago

The function g(x) = x2 is transformed to obtain function h:

Rudik [331]

Answer:

Option C

The graph of g is vertically shifted 5 units down

4 0

3 years ago

Which real-world story is represented by the addition problem (–2 1/2) + (–3 1/4) = –5 3/4?

allochka39001 [22]

Answer:

Step-by-step explanation:

A is the correct answer because the equation matches option A.

(-2 1/2) + (-3 1/4)

The minus sign in -2 1/2 shows that the submarine descended and then descended again with the addition sign. Though the addition sign can mean that it ascended its incorrect.

With the equation in hand, we can prove that option A is correct.

If the submarine descended 2 1/2 miles then here must be a minus sign next to the 2 1/2. But if it ascended then there would've been an addition sign to show that it ascended. The other value - 3 1/4 also shows that it ascended with the help of the addition sign.

Ascends - values increase from smallest to highest.

Descends - values decrease from highest to smallest.

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3 years ago