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3 years ago

Solve the inequality: 3 - 2x < 7 = Show working

Mathematics

2 answers:

pickupchik [31]3 years ago

7 0

Answer:

x>-2

Step-by-step explanation:

3-2x-3<7-3

-2x+3-3<7-3

-2<7-3

-2x<4

divided each side by -2

2x/2 >4/-2

x>4/-2

x>-2 times 2 over 1 times 2

x>-2

Fittoniya [83]3 years ago

4 0

Answer:

x < - 2

Step-by-step explanation:

3 - 2x < 7

Subtract 3 on both sides,

3 - 3 - 2x < 7 - 3

- 2x < 4

Divide - 2 on both sides,

- 2x / - 2 < 4 / - 2

x < - 2

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Each pants leg on page 8 has an opening with a circumference of 8.5 inches. It took 15 stitches to make 3 inches in width. How m

lord [1]

Answer:

43 stitches.

Step-by-step explanation:

We have been given that each pant's leg has an opening with a circumference of 8.5 inches. It took 15 stitches to make 3 inches in width. We are asked to find the number of stitches required to make up the circumference.

Let us find stitches needed to make 1 inch by dividing 15 by 3.

$\text{Stitches needed to make 1 inch}=\frac{15}{3}$

$\text{Stitches needed to make 1 inch}=5$

Since 5 stitches make 1 inch, so to find stitches needed to make 8.5 inches, we will multiply 8.5 by 5 as:

$\text{Stitches needed to make 8.5 inches}=5\times 8.5$

$\text{Stitches needed to make 8.5 inches}=42.5$

Upon rounding to nearest stitch, we will get:

$\text{Stitches needed to make 8.5 inches}\approx 43$

Therefore, 43 stitches will make up the circumference.

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3 years ago

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Darya [45]

Answer:

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4 years ago

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Marianna [84]

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3 years ago

A science class has 4 girls and 4 boys in the seventh grade and 5 girls and 7 boys in the eighth grade. The teacher randomly sel

e-lub [12.9K]

Answer:

The correct answer is 5/24 or 0.21

Step-by-step explanation:

1. Let's review all the information given to answer the question correctly:

Science class in seventh grade = 4 girls and 4 boys

Science class in eighth grade = 5 girls and 7 boys

2. What is the probability that both students selected for the competition are girls, a seventh grader and an eighth grader?

These are independent events, therefore:

Probability of two independent events = Probability of A * Probability of B

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3 years ago

Read 2 more answers