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wel
3 years ago
10

Simplify 24 − (23 + 22).

Mathematics
2 answers:
NemiM [27]3 years ago
7 0
<h3>I'll teach you how to solve 24 − (23 + 22)</h3>

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

24 − (23 + 22)

Add inside the parentheses:

23 + 22= 45

24 - 45

Subtract the numbers:

24 - 45= -21

-21

Your Answer is -21

plz mark me as brainliest if this helped :)

andre [41]3 years ago
3 0

Answer:

I don't know where those choices are from but the answer is -21.....

Step-by-step explanation:

24 − (23 + 22)

24-23-22

-21

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A 14 gram sample of a substance that's used to preserve fruit and vegetables has a k-value of 0.1092. Find the substance's half-
nignag [31]

Answer:

t = 6.3

Step-by-step explanation:

N=Noe^(-kt)

No = 14 grams

k = .1092

We want to find t when N = 7 or 1/2 of 14

N=Noe^(-kt)

7 = 14 e ^ (-.1092t)

Divide each side by 14

1/2 = e ^ (-.1092t)

take the natural log of each side

ln (1/2) = ln e ^ (-.1092t)

ln (1/2) = -.1092t

Divide each side by -.1092

ln (1/2)/ -.1092 = t

t≈6.3475

Rounding to the nearest tenth

t = 6.3

5 0
3 years ago
The scatter plot shows the profit by the month for a new company during its first year of operation. Which equation most closely
kondor19780726 [428]

The equation most closely models the line of best fit for the scatter plot is y = 2.5x

<h3>Equation of a line</h3>

A line is the distance between two points. The equation of a line in point-slope form is given as y =mx + b

  • m is the slope
  • b is the intercept


Using the coordinate points on the line (3, 5000) and (9, 20000)

Get the slope

Slope = 20000-5000/9-3
Slope = 15000/6 = 2500

Determine the y-intercept

5000 = 2500(3) + b

b = 5000 - 7500
b = -2500

Determine the equation

y = 2.5x - 2.5

Hence the equation most closely models the line of best fit for the scatter plot is y = 2.5x

Learn more on line plot here: brainly.com/question/8989301

#SPJ1

7 0
2 years ago
Michael puts $800 into a savings account. The account earns 2% simple interest. How much interest will he earn in 6 months?
expeople1 [14]

Answer:

he earned 8 dollars in interest

Step-by-step explanation:

800(1+(.02)(.5))

hopefully im correct

8 0
3 years ago
Maya sells beaded necklaces. Each large necklace sells for $6.10 and each small necklace sells for $4.80 . How much will she ear
balandron [24]

Answer:

$49.70

Step-by-step explanation:

6.10x5+4.80x4=$49.70!

7 0
3 years ago
Which is the solution to this system of equations?
DENIUS [597]
The 1st one is the one that is the Answer
7 0
3 years ago
Read 2 more answers
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