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umka2103 [35]
3 years ago
15

Solve x + 7 > 15 or 2x - 1 < 3.

Mathematics
2 answers:
aleksandr82 [10.1K]3 years ago
5 0

Answer:16x?

Step-by-step explanation:

True [87]3 years ago
4 0
what that guy said 90
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Evaluate the expression when x = 4. 3x + 2 A. 36 B. 24 C. 18 D. 14
beks73 [17]

Put the value of x = 4 to the expression 3x + 2.

(3)(4) + 2

<em>first multiplication and next addition</em>

= 12 + 2 = 14

<h3>Answer: D. 14</h3>
4 0
3 years ago
A total of 140 seventh- and eighth-grade boys were asked which sport they preferred, basketball or baseball.
ss7ja [257]

Answer:

The answer is, " About 56% of those who prefer baseball are eight graders"

Step by Step Explanation:

Step 1: Turn 56% to a decimal, you get 0.56

Step 2: Multiply 0.56 by 68, the total amount of people who like baseball

Step 3 : you get 38.08 ( Don't mind the extra .08, just round )

Step 4 : You celebrate with a little victory dance!!!!!

7 0
3 years ago
What is the Z-score for Paula if she got 1400 on the SAT, the mean was 1100 and the standard deviation was 275? step by step how
Setler [38]

mu = 1100 = population mean

sigma = 275 = population standard deviation

x = 1400 = raw score

z = z score

z = (x-mu)/sigma

z = (1400-1100)/(275)

z = 300/275

z = 1.0909090909091 approximately

z = 1.09

Convention is to round to two decimal places so that you can use a Z table to look up the area under the curve (which helps determine probability).

The positive z score is due to Paula's raw score being above the mean.

7 0
2 years ago
Seema bought a new pair of jeans that were on sale. The original price of the jeans was $56. The store had marked them down by 2
Sav [38]

Answer:

C.) 33.60

Step-by-step explanation:

OMP. = $56

D. = 25%

0.25 * $56 = $14

SP. = $56-$14=$42

CD. = 20% of Selling price

= 0.20 * $42 = $8.40

FSP. = $42-$8.40      = $33.60

3 0
3 years ago
Read 2 more answers
1. what is 10% of 20? 2.What is 5% of 10?
Airida [17]
Hello,

Shall we begin?

1. what is 10% of 20?      = 20 * 0.1 = 2
2.What is 5% of 10?        = 10 * 0.05 = 0,5
3. What is 25% of 100?   = 100 * 0,25 = 25
4. What is 15% of 50?     = 50 * 0.15 = 7,5
5. What is 30% of 60?     = 60 * 0,3 = 18
6. What is 50% of 80?     = 80 * 0,5 = 40
7. What is 20% of 120?   = 120 * 0,2 = 24
8. What is 35% of 70?     = 70 * 0,35 = 24.5
9. What is 75% of 150?   = 150 * 0,75 = 112.5
10. What is 60% of 90?   = 90 * 0,6 = 54
11. What is 40% of 40?   = 40 * 0,4 = 16
12. What is 55% of 110? = 110 * 0.55 = 60.5
13. What is 80% of 130? = 130 * 0,80 = 104



5 0
3 years ago
Read 2 more answers
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