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Zepler [3.9K]
4 years ago
6

NEED HELP ASAP!!!

Mathematics
1 answer:
nikklg [1K]4 years ago
6 0
<h2>Steps:</h2>

So let's focus on the first half of this compound inequality: 7x - 9 < 12 . Firstly, add 9 to both sides of the inequality:

7x < 21

Next, divide both sides by 7 and your first answer is <u>x < 3.</u>

Next, we will focus on the second half of the inequality: 1/4x + 8 > 11 . Firstly, subtract 8 on both sides of the inequality:

1/4x > 3

Next, multiply both sides by 4 and your second answer will be <u>x > 12.</u>

<h2>Answer:</h2>

<u>Putting it together, your final answers are x < 3 OR x > 12.</u>

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Given 5 blue marbles, 3 red marbles and 2 white marbles. Find the probability of choosing a red marble given that its not white
Maslowich

Answer:

The chances you will get a red marble over a white or blue marble is 30%

Step-by-step explanation:

If you add 5 + 3 + 2 you will get 10

You then turn it into a fraction

3/10 is the chance you will get a red over a blue or white, now we need to convert it into a percentage by turning to 10 into 100 and multiplying 3 x 10

Once you have done that you should have 30/100

Take the 100 away and turn it into a percentage

The answer would be 30%

6 0
3 years ago
Evan spent 20 hours doing homework last week. This week he spent 25 hours doing homework. He says that he spent 125% more time d
ahrayia [7]

Answer:

yes he is correct. he spent 125% more time

Step-by-step explanation:

his original time spent  was 20 hours

he spent a new time which is 25 hours

increased time = 25- 20 = 5 hours

% increase = increase/ original ×100%

%increase = 5/ 20 ×100%

= 1/4 ×100%

= 25%

total increment = 100 + 25 =125%

4 0
3 years ago
Jerissa is using her calculator. She needs to multiply 8.9 * 0.28,
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Answer:

2.492

Step-by-step explanation:

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3 years ago
Solve the quadratic by factoring. x to the power of 2+ 12x + 32 = 0​
Ne4ueva [31]

Answer:

x = - 8, x = - 4

Step-by-step explanation:

x² + 12x + 32 = 0 ← in standard form

(x + 8)(x + 4) = 0 ← in factored form

Equate each factor to zero and solve for x

x + 8 = 0 ⇒ x = - 8

x + 4 = 0 ⇒ x = - 4

7 0
3 years ago
Is this a direct variation y=x+x
Lesechka [4]

Answer:

x2=3

x1=2

y=10

Step-by-step explanation:

5 0
3 years ago
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