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torisob [31]
3 years ago
15

Why is it important to learn algebraic expressions? How will we use them for everyday life?

Mathematics
1 answer:
Anna11 [10]3 years ago
5 0
People who cook, either professionally or for personal use, use simple algebraic expressions to adjust the ingredients in a dish depending on the number of servings desired. Medical professionals use algebra in a variety of applications, such as determining drug dosage and measuring the performance of body functions, such as cardiac output.
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Can someone help me with this please, I would really appreciate it, thank you!<br> (Geometry)
Ira Lisetskai [31]

Answer:

  a.  B

  b.  4

  c.  BD

Step-by-step explanation:

a. Point A is at -7; point D is at +1. The distance between these points is ...

  1 -(-7) = 8

The midpoint will be 8/2 = 4 units from either end so will be at ...

  A +4 = -7 +4 = -3

or

  D -4 = 1 -4 = -3

The point located at -3 is point B, the midpoint of AD.

__

b. Having done the above calculations, we know that segment AB is 4 units long.

__

c. We also know that segment BD is 4 units long. That is because the midpoint divides a segment into two equal parts.

6 0
3 years ago
The equation of line k is y=
Nina [5.8K]

Answer:

Neither parallel nor perpendicular

Step-by-step explanation:

I'm assuming you meant line k is y = 3x -2. If not, this is wrong.

For this, you need to put both lines in point-slope form, or the form that line k is already in. This means you only need to convert line m.

-2r + 6v = 18

6v = 2r + 18

v = 2/6r + 18/6

v = 1/3r + 3

Now you can answer the question.

To be parallel, lines must have the same slope (but a different y-intercept). 3 and 1/3 are not the same, so the lines are not parallel.

To be perpendicular, one line must have the opposite reciprocal (fraction flipped and + goes to - or - to +) of the other. While 3 is the reciprocal of 1/3, they are both positive, so they are not perpendicular.

To be the same line, the equations must be absolutely identical, which they aren't.

This leaves the last option: neither.

Let me know if you need a more in-depth explanation of anything here! I'm happy to help!

3 0
3 years ago
Read 2 more answers
Renata and her family go through an average of more than 15 cans of sparkling water each day. They buy cases of 24 cans at $3.50
kaheart [24]

Answer: The inequality required to express the above condition is   x     ≥    18.75

Step-by-step explanation:Renata and her family go through an average of more than 15 cans of sparkling water each day.

The number of cases of 24 cans of sparkling water.

We can take the number of cases to be x.

Each case is said to cost $3.50.

An inequality for the number of cases that Renata's family go through in 24 days can be written as

      x ≥            ⇒     x    ≥            ⇒   x ≥     18.75

Therefore the inequality required to express the above condition is

x     ≥    18.75

8 0
3 years ago
PLSSSSSSS HELPPPPPPP I WILL GIVE BRAINLIESTTTTTTTTTT!!!!!!!!!!!!!!!!!!!!!PLSSSSSSS HELPPPPPPP I WILL GIVE BRAINLIESTTTTTTTTTT!!!
Darya [45]

Answer:

Step-by-step explanation:

so formula for the volume of a cylinder is:

(πr^2)*h

so the diameter is given to us which is

2r=10 cm

then r=5 cm

h=6 cm and r=5 cm so we just plug it in

(5^2)*6π

25*6π

150π cm^3 or approximately 471.239 cm^3

6 0
3 years ago
Read 2 more answers
Which postulate or theorem proves that these two triangles are
melamori03 [73]

Answer: AAS

Step-by-step explanation:

3 0
2 years ago
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