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Tems11 [23]
3 years ago
15

Evaluate the expression 9ab + c if a=-7, b=9, and c = 4

Mathematics
1 answer:
Eduardwww [97]3 years ago
3 0

Answer:

-563

Step-by-step explanation:

a = -7 , b = 9 , c = 4

9ab +C

9 × -7 × 9 + 4

81 × -7 + 4

-567 + 4

-563

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What is the equation of a line through the points (0, 9) and (3, 0)?
erastova [34]

Answer:

  m = StartFraction 9 minus 0 Over 0 minus 3 EndFraction; y = –3x + 9

Step-by-step explanation:

The given points are the y-intercept and the x-intercept, so they can be used directly in the intercept form of the equation of a line.

  x/(x-intercept) +y/(y-intercept) = 1

  x/3 +y/9 = 1

Multiplying by 9 gives ...

  3x +y = 9

This can be rearranged to the slope-intercept form ...

  y = -3x +9

_____

The answer selection shown above is the only one that matches the slope and y-intercept of the line through the given points.

7 0
3 years ago
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What is the measure of &lt;1<br> 1. 80<br> 2. 40<br> 3. 160
Ratling [72]
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3 0
3 years ago
A 2007 U.S. study by Fontana, Klein, and Holloszy compared a number of factors associated with heart disease and metabolic disor
Ierofanga [76]

Answer:

a. A western diet is associated with higher blood pressure.

b. Eating a western diet increases blood pressure.

Step-by-step explanation:

Given that :

Three groups of 21 participants participated in an observational study.

         A

The raw vegan diet group  who sedentary and had been eating a low-calorie, low-protein vegan diet composed primarily of unprocessed and uncooked plant-derived foods for at least 2 years.

          B

The subjects in the endurance runners group who ran an average of 48 miles per week for an average of 21 years.

         C

The subjects in the western diet group consisted of sedentary and non-obese subjects who ate a typical western diet (characterized by high intakes of red meat, sugary treats, high-fat foods, and refined grains).

From the observational study; we can observe that the raw vegan diet group will improve the heart health, they possess high fiber content necessary for healing. They don't quite have any issues related to higher blood pressure.

The Endurance runners groups who ran for an average of 48 miles per week for an average of 21 years will have a better heart health and a reduction in the risk associated with higher blood pressure or other health related diseases.

But the western diet group  who ate a typical western diet (characterized by high intakes of red meat, sugary treats, high-fat foods, and refined grains) will have a variety of health complications all types of the foods being consumed. For example, high intake of red meat and sugary treats and high-fat food can result an individual to having diabetes. Because these food mention contains high  saturated fat which raises  the blood cholesterol . As a result high level of these cholesterols in the body can cause several heart complications and other health related diseases.

So from the aforementioned , we can concluded that :

option A and B were appropriate summary for the students statements.

6 0
4 years ago
What does x,y mean I have no idea
uysha [10]
On a graph, when a line is going up or down, that is y. When it is going horizontally, that is x.  So they can be used as points.  For example, if the coordinates were 3, 4, (x, y), then you would first go across 3 on the graph and then go up 4. There you would plot your point. It can also be used in equations. For example, if the equation was..
2x + 3y, and the coordinates were 1, 2, (x, y), then x would be 1 and y would be 2. In order to solve, you would plug in x and y. Hope this helps. If you could give me the brainiest answer that would be greatly appreciated.
7 0
3 years ago
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andrezito [222]

Answer:

4

Step-by-step explanation:

the more sections there are the less of a chance the same section ould be landed on so many times. Its almost impossible to land on one of 400 25 times

8 0
3 years ago
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