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fomenos
3 years ago
5

Simplify the expression 3. 1/2

Mathematics
2 answers:
Marysya12 [62]3 years ago
6 0
.5, 0.5, or If it’s 3 1/2 then it’s going to be 3.5
NeX [460]3 years ago
5 0
The answer to this question is 0.5
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Evaluate the function rule for the given value. y=15*3^x for x = -3
DENIUS [597]

Answer: y=\frac{5}{9}

Step-by-step explanation:

It is important to remember that an Exponential function has the following form:

f(x) =a* b^x

Where  “b”  is b > 0 and b \neq 1 , "a" is a coefficient, "x" is the Independent variable and f(x) is the Dependent variable.

In this case, you have the following Exponential Function given in the exercise:

y=15*3^x

If the value of Dependent variable is -3, then:

x=-3

So, you must substitute that value of "x" into the function:

y=15*3^{(-3)}

And now you must evaluate:

1. According the Negative exponent rule:

a^{-n}=\frac{1}{a^n}

Then:

y=\frac{15}{3^{3}}

2. Simplifying, you get:

y=\frac{15}{27}\\\\y=\frac{5}{9}

5 0
3 years ago
42/-8 Divide<br><br> Please answer asap
krok68 [10]
It's -5.25 because 5*8 is 40 and 6*8 is 48.
5 0
3 years ago
Read 2 more answers
ok this is very long but the points are worth it PLS HELP I BEG!! like cmon its 50 points (i think..... i put 100)
ivanzaharov [21]

<u>Answer:</u>

Below!

<u>Step-by step solution:</u>

<u>Dividing Mixed Numbers (Answers):</u>

1. 2 9/10 ÷ 3 2/5

  • => 29/10 ÷ 17/5
  • => 29/10 x 5/17
  • => 29/2 x 1/17
  • => 29/34

2. 4 1/2 ÷ 3 1/5

  • => 9/2 ÷ 16/5
  • => 9/2 x 5/16
  • => 45/32

3. 4 1/4 ÷ 3 4/5

  • => 17/4 ÷ 19/5
  • => 17/4 x 5/19
  • => 85/76

4. 4 1/2 ÷ 2 2/5

  • => 9/2 ÷ 12/5
  • => 9/2 x 5/12
  • => 3/2 x 5/4
  • => 15/8

5. 3 1/2 ÷ 4 2/5

  • => 7/2 ÷ 22/5
  • => 7/2 x 5/22
  • => 35/44

6. 4 3/5 ÷ 3 1/2

  • => 23/5 ÷ 7/2
  • => 23/5 x 2/7
  • => 46/35

<u>Dividing Fractions and Whole Numbers (Answers):</u>

1. 10 ÷ 5/10

  • => 10 x 10/5
  • => 100/5
  • => 20

2. 2/3 ÷ 7

  • => 2/3 x 1/7
  • => 2/21

3. 10 ÷ 2/4

  • => 10 x 4/2
  • => 10 x 2
  • => 20

4. 10 ÷ 2/3

  • => 10 x 3/2
  • => 5 x 3
  • => 15

5. 2/3 ÷ 3

  • => 2/3 x 1/3
  • => 2/9

6. 1/2 ÷ 7

  • => 1/2 x 1/7
  • => 1/14

<u>Dividing Fractions (Answers):</u>

1. 1/2 ÷ 1/3

  • => 1/2 x 3
  • => 3/2

2. 4/5 ÷ 1/2

  • => 4/5 x 2
  • => 8/5

3. 2/4 ÷ 7/10

  • => 1/2 x 10/7
  • => 5/7

4. 1/2 ÷ 5/10

  • => 1/2 x 10/5
  • => 1/2 x 2
  • => 1

5. 2/4 ÷ 2/5

  • => 2/4 x 5/2
  • => 1/4 x 5/1
  • => 5/4

6. 4/5 ÷ 1/3

  • => 4/5 x 3
  • => 12/5

Hoped this helped.

BrainiacUser1357

7 0
2 years ago
Read 2 more answers
Which shows a set of three equivalent decimals?
Bezzdna [24]

The best choice is A)

when you add a zero, it does not count on a decimal, so,

1.9, 1.90, 1.900.

8 0
3 years ago
Read 2 more answers
Chapter 8: Chapter 8 Test &gt; chapter Test
Vikentia [17]

Answer:

D = sqrt[ (2-4)^2 + (7- (-1))^2] = ~8.2

Step-by-step explanation:

D = sqrt[ (Fx-Gx)^2 + (Fy- Gy)^2]

7 0
4 years ago
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