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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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Sonia gets $ 6.50 pocket money on Saturday. On Monday she spends $ 2.71. On Tuesday she is given $ 3.20 for a special chore at h
dedylja [7]

Answer:

5.45

Step-by-step explanation:

5 0
3 years ago
What is the theoretic probability that if you flip two coins that they will both land on heads
drek231 [11]
You have a fifty percent chance of heads or tails, so the probability of it landing on the same side twice is 25 percent.
6 0
3 years ago
IF THE TRIANGLES IN THE ABOVE FIGURE ARE PROPORTIONAL, WHATS THE LENGTH OF SIDE B?
Tema [17]
<h3>Answer: choice B) 36</h3>

=================================================

Explanation:

The vertical sides, when read from left to right, can be divided to get this fraction: 9/90

Following the same order and direction, we divide the slanting corresponding sides to get: b/360

The fractions we constructed are equal to one another, as the triangles are said to be proportional.

We have the fraction 9/90 = b/360

Lets cross multiply and solve for b

--------------------

9/90 = b/360

9*360 = 90*b

3240 = 90b

90b = 3240

90b/90 = 3240/90

<h3>b = 36</h3>

--------------------

A quick way to do this may be to notice how the jump from 9 to 90 is "times 10" so the jump from b to 360 is also "times 10". Think in reverse to divide 360 over 10 and we land on 36 as our answer. This line of thinking does not work as simple for all proportional problems.

5 0
3 years ago
An arithmetic sequence is represented by the recursive formula a1=17an=an−1−8 . What is the fourth term in the sequence? a4=−4 a
user100 [1]

Answer:

a₄ = - 15

Step-by-step explanation:

Using the recursive formula and a₁ = 17 , then

a₂ = a₁ - 8 = 17 - 8 = 9

a₃ = a₂ - 8 = 9 - 8 = 1

a₃ = a₂ - 8 = 1 - 8 = - 7

a₄ = a₃ - 8 = - 7 - 8 = - 15

4 0
3 years ago
A bag of peanuts weighs 1/4 pound. How much do 1 1/2 weigh?
Nataly [62]

Answer:

I think it would weigh 1 1/8, love

Step-by-step explanation:

I'm not good at explaining but I'll try.

One bag weighs 1/4 pound meaning that half a bag would weigh 1/8 pound

Hope I helped sweetheart

7 0
3 years ago
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