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Mandarinka [93]
3 years ago
12

What is -15 2/3 + (-5 2/3)

Mathematics
2 answers:
solniwko [45]3 years ago
7 0

Answer is -21 1/3

-15 2/3

+  -5 2/3

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

Answer is 21 1/3

mr Goodwill [35]3 years ago
5 0

Convert 15 2/3 to an improper fraction;

- 15 × 3 + 2/3 - 5 2/3

Simplify 15 × 3 to 45

- 45 + 2/3 - 5 2/3

Simplify 45 + 2 to 47

- 47/3 - 5 2/3

Convert 5 2/3 to an improper fraction

- 47/3 - 5 × 3 + 2/3

Simplify 15 + 2 to 17

- 47/3 - 17/3

Join the denominators

-47 - 17/3

Simplify

- 64/3

Convert to a mixed fraction;

<u>-21 \frac{1}{3}</u>

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Simplify 1.7 (-5) (-3. 27)
stepladder [879]
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2 years ago
One number is 9 more than another. if the sum of the two numbers is 171, find the two numbers
allochka39001 [22]
Let x be the 1st number
x + 9 be the second number

Equation:
x + x+9 = 171

Solution:
2x + 9 = 171
2x = 171 - 9
2x = 162
x = 81
x + 9 = 90

81 + 90 = 171
4 0
3 years ago
Help
mars1129 [50]
To find one year, here's the equation:
5000 + 0.06(5000)
For 10 years:
5000 + 10(0.06(5000))
Multiply:
5000 + 0.6(5000)
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7 0
3 years ago
Jane orders cheese pizza from a pizza restaurant that charges $8 per pizza , Jane cost, in dollars, is a function of the numbers
neonofarm [45]

search des mos on goo gle click graphing calculator type in the equation y =-8x+45 and then copy the graph, I suggest doing one digits and also you didn't send the full question

She can get 5 pizzas using all her money

Finding Maxmium She Can Get

8.00*n ≤ 45.00

n ≤ 45/8 = 5.625

Jane can order at most 5 pizzas.

5 0
3 years ago
Which function has the greatest rate of exponential growth?
Veronika [31]

Answer:

C

Step-by-step explanation:

Here, we want to find which of the expressions have the greatest rate of exponential growth.

The easiest way to go about this is have a substitution for the term t;

Let’s say t = 6

Thus;

h(t) = 1.18^1 = 1.18

K(t) = 0.375^6 = 0.002780914307

f(t) = 1.36^6 = 6.327518887936

g(t) = 0.86^6 = 0.404567235136

Another way to find this is to express each as a sum of 1

f(t) = (1+ 0.36)^t

g(t) = (1-0.14)^t

k(t) = (1-0.625)^t

We can see clearly that out of all the terms in the brackets asides 1, 0.36 is the biggest in value

4 0
3 years ago
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