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balandron [24]
2 years ago
15

What is the equation of the line that passes through (-1,-4) and (-2,-1)

Mathematics
1 answer:
arlik [135]2 years ago
7 0

Answer:

y+4=-3(x+1)

Step-by-step explanation:

You start by calculating the slope which is y1-y2 over x1-x2, which plugging the numbers in, comes out to be -3. Then, taking the point slope formula

(y-y1=m[x-x1]), you just plug the rest of the variables in.

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If p(x)= 2^x, what is the value of p(3) - p(2)?
rjkz [21]

Answer:

4

Step-by-step explanation:

p(3) = 2³ = 8

p(2) = 2² = 4

8-4 = 4

4 0
2 years ago
Identify the x-intercept and y-intercept of the equation below.
Radda [10]

Answer:

x intercept at (7/3 , 0)

y intercept at (0,-3)

Step-by-step explanation:

9x-7y=21

we need to find x  and y intercepts

To find x intercept , plug in 0 for y

9x - 7(0) = 21

9x = 21

divide by 9 on both sides

x= 21/ 9 = 7/3

so x intercept at (7/3 , 0)

To find y intercept , plug in 0 for x

9(0) - 7(y) = 21

-7y = 21

divide by -7 on both sides

y= -3

so y intercept at (0,-3)

6 0
3 years ago
The radius of a circular clock is 10.5 inches. Which measrement is closest to the circumference of the clock in inches
allsm [11]

Answer:

65.9734457254 or 65.97

Step-by-step explanation:

c= pi x diameter

c= pi x (10.5 x 2)

c= pi x 21

= 65.9734457254

3 0
2 years ago
Read 2 more answers
In 1997, the American Diabetes Association (ADA) and the federal government lowered the standard for diagnosing diabetes from a
Klio2033 [76]

Answer:

10 percent

Step-by-step explanation:

- Before 1997, people with a minimum FBGL of 140mg/dl were diagnosed as diabetic

- After 1997, people with a minimum FBGL of 126mg/dl were diagnosed as diabetic

- What is the proportion of people who were not considered diabetic before 1997 but are now considered diabetic (after 1997)?

140 - 126 = 14

In percentage, this proportion is = 14/140 × 100

= 10%

Hence, 10% of the people who were not considered diabetic before 1997 are now or will now be considered diabetic.

3 0
3 years ago
Larry paid $4.16 for 4 tomatoes. At this same rate, how much would 7 tomatoes cost?
Anna71 [15]
The question is asking us to find how much seven tomatoes would cost. Well, to get our answer, we must first find the cost of one tomato.  We are given the information that paying $4.16 for 4 tomatoes. All we have to do now is divide 4.16 by 4, to get the price of one tomato. This gives us $1.04. Now, just multiply 1.04 by 7 to get 7.28. Therefore, the price of seven tomatoes is C. $7.28. Hope this helped and have a phenomenal day!
4 0
2 years ago
Read 2 more answers
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