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horsena [70]
4 years ago
9

From the set {7, 9, 36), use substitution to determine which value of x makes the inequality true..

Mathematics
1 answer:
masha68 [24]4 years ago
7 0

Answer:

B.7

Step-by-step explanation:

This one is pretty simple, just insert each number to find which one is true.

2(7)<18

14< 18 (true)

2(9) < 18

18< 18 (false because it said less than not less than or equal to)

2(36) < 18

72< 18 (false)

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Talja [164]

Answer:

-x+4y

Step-by-step explanation:

Given: graph

To find:the inequality

Solution:

Equation of a line passing through points (x_1,y_1),(x_2,y_2) is given by y-y_1=\frac{y_2-y_1}{x_2-x_1}(x-x_1)

Take (x_1,y_1)=(0,3),(x_2,y_2)=(4,4)

So,equation of line is evaluated as follows:

y-3=\frac{4-3}{4-0}(x-0)\\ y-3=\frac{x}{4}\\ 4y-12=x\\-x+4y=12

As per the graph,inequality is -x+4y

Here, use sign < and not \leq as line in the graph is dotted that is points on the line are excluded.

4 0
3 years ago
There are 30 tickets numbered as 1, 2, 3, 4, 30 respectively. One random. What is the probability that the number on the ticket
Anna007 [38]

Answer:

  • 2/3 or 66.66%

Step-by-step explanation:

Out of 30 numbers, half is multiple of 2 and the third is multiple of 3.

We have 15 even numbers and 10 multiples of 3. Out of 10, half is even numbers and  therefore counted twice.

<u>So we subtract 5 to get:</u>

  • 15 + 10 - 5 = 20 numbers

<u>If we chose one ticket at random the probability is:</u>

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7 0
3 years ago
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Our school has 564 students. If each class contains 23 students what percent of the student body is in your grade?
gavmur [86]

Answer:

4%

Step-by-step explanation:

23÷564 is .04 which in percentage form is 4%

hope this helps

3 0
3 years ago
What is the answer for number 8?
vfiekz [6]
<h2>527.52</h2>

Step-by-step explanation:

radius (r) = 6

height (h) = 8

total surface area = 2π×r×h + 2πr²

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= (301 44) + (226.08)

= 527.52

<h2>FOLLOW ME</h2>
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3 years ago
the cheese that ms.carter used to buy costs $6.00 per pound, but it's been marked up 15%. how much did it cost her to buy 2.6 po
Makovka662 [10]
Old price - 6.00 per pound

Cost for 2.6 pounds = 2.6 x 6.00
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3 0
3 years ago
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