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Ksenya-84 [330]
2 years ago
7

Solve this inequality: 20 +0.75m < 65

Mathematics
2 answers:
allsm [11]2 years ago
5 0

Answer:

15

Step-by-step explanation:

IrinaVladis [17]2 years ago
3 0

Answer:

60

Step-by-step explanation:

20+0.75m<65

20-20+0.75m<65-20

0.75m<45

0.75m/0.75 < 45/0.75

m< 60

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PLEASE REALLY NEED HELP IM STRUGGLING
KengaRu [80]

At Venn diagram there are 4 parts (20 pieces):

1. Colored only in blue - quadrilaterals with four equal side lengths (3 pieces);

2. Colored only in orange - quadrilaterals with four right angles (6 pieces);

3. Colored in both blue and orange - quadrilaterals with four right angles and with four equal side lengths (2 pieces);

4. Colored in white - quadrilaterals withoutprevious two properties (9 pieces).

Consider events:

A - a randomly chosen quadrilateral has four right angles;

B - a randomly chosen quadrilateral has four equal side lengths;

Use formula Pr(B|A)=\dfrac{Pr(A\cap B)}{Pr A} to find the probability that a randomly selected quadrilateral with 4 right angles also has four equal side lengths:

Pr(A\cap B)=\dfrac{2}{20},\\Pr(A)=\dfrac{8}{20},\\Pr(B|A)=\dfrac{\frac{2}{20}}{\frac{8}{20}} =\dfrac{2}{8}=\dfrac{1}{4} =0.25

Answer: Pr=0.25

4 0
3 years ago
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You purchase a $100,000 life insurance policy for a $300 premium each year. If the probability of living is 0.999, find the expe
Lemur [1.5K]

Answer:

The expected value for the insurance company is $200

Step-by-step explanation:

In order to calculate the expected value for the insurance company we would have to make the following calculation:

expected value for the insurance company=expected value live+expected value die

expected value live=Net gain*probability of living

expected value live=$300*0.999=$299.70

expected value die=Net gain*probability of die

expected value die=(-$100,000 + $300)*0.001

expected value die=$-99.70

Therefore, expected value for the insurance company=$299.70-$99.70

expected value for the insurance company=$200

The expected value for the insurance company is $200

4 0
3 years ago
Find the equivalent expression.<br><br> 3+5x−4y+2y−8x
Luba_88 [7]

Answer:

-3x - 2y + 3

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

<u>Algebra I</u>

  • Terms/Coefficients

Step-by-step explanation:

<u>Step 1: Define</u>

3 + 5x - 4y + 2y - 8x

<u>Step 2: Simplify</u>

  1. Combine like terms (x):                    -3x - 4y + 2y + 3
  2. Combine like terms (y):                    -3x - 2y + 3
8 0
3 years ago
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HELP ASAP Which expression is equivalent to 1/8x−1/2?
Sever21 [200]

The 3rd option is correct

8 0
2 years ago
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PLZZ HELP URGENT
Mashcka [7]

Answer:

5x + 2x.....combine like terms..... = 7x

5x + 2x....subbing in 1                               7x - 1....subbing in 1

5(1) + 2(1) = 5 + 2 = 7                               7(1) - 1 = 7 - 1 = 6

5x + 2x...subbing in 2                                 7x - 1...subbing in 2

5(2) + 2(2) = 10 + 4 = 14                            7(2) - 1 = 14 - 1 = 13

5x + 2x...subbing in 3                                 7x - 1...subbing in 3

5(3) + 2(3) = 15 + 6 = 21                            7(3) - 1 = 21 - 1 = 20

5x + 2x...subbing in 4                                 7x - 1....subbing in 4

5(4) + 2(4) = 20 + 8 = 28                            7(4) - 1 = 28 - 1 = 27

5x + 2x...subbing in 5                                 7x - 1...subbing in 5

5(5) + 2(5) = 25 + 10 = 35                          7(5) - 1 = 35 - 1 = 34

5x + 2x result values are 1 more then 7x - 1 result values

there are no values that will make the 2 expressions equal....

because 5x + 2x = 7x......and the other one is 7x - 1......so the 7x - 1 values will always be 1 number less...because ur subtracting one

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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