MATHEMATICS MIDDLE SCHOOL

Solving inequalities. x-3<(-2)

Answers

Answer 1
Answer:

Isolate the x. Add 3 to both sides

x - 3 (+3) < -2 (+3)

x < -2 + 3

Simplify

x < (-2 + 3)

x < 1

x < 1 is your answer

hope this helps

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C=3.14d solve for d
Herta bought envelopes of flower seeds that each cost the same. She spent a total of 36$. Find three possible cost per envelope and the number of envelopes that she could have purchased.Please help me!
In the equation -y = 10x, what is the unit rate?
Cupro-nickel coins are minted by mixing copper and nichel in the ratio 4:1a) How much copper is needed to mix with 20kg of nickel?b) How much nickel is needed to mix with 20kg of copper?

1. Determine which ordered pair is a solution of y = –5x + 10. (1 point)(–15, 5)
(2, 0)
(–1, –5)
(3, 25)

2.on which of the following lines does the point (7, 1) lie
A. y - 5x = 4
B.y = x - 10
C. y=-4x + 3
D. y= -x + 8

3.Find the slope of the line through (-9, -10) & (-2, -5)
A -5/7
B 7/5
C 5/7
D -7/5

Answers

Answer to part 1 is C;
(2, 0)

Answer to part 2 is:
D. y= -x + 8

Answer to part 3:
C; 5/7

What is the GCF of 6,42, and 12

Answers

The GCF of 6, 42, and 12 is: 

6. 

For which independent value do the equations generate the same dependent value?y1=6x+10
y2=4×+4



​

Answers

Answer:

x = - 3

Step-by-step explanation:

The equations given are:

y_1=6x+10

y_2=4x+4

For the equations to generate the same independent value, then

y_1=y_2

This implies that:

6x+10 = 4x + 4

Group similar terms to get:

6x - 4x = 4 - 10

Simplify to get:

2x = - 6

x = - 3

Answer:

The answer is A.

How much is 1,500 minutes in hours?

Answers

1500 divided by 60 (because 60 is 60 minutes in a hour) equals 25
 so there is 25 hours in 1,500 minutes
I will give you the correct steps to finding the correct answer. It is simple math, but you can easily find the answer using a available caculator. Once you have located a caculator. Type in the number 1500 and then click the division sign ÷ . That should you give you 1500 minutes converted into hours.

I think garden center grass seed sells for eight dollars per pound Haley spent $10 on grass seeds what amount of C did he buy

Answers

If seeds are 8 per pound then you need to find the unit rate and make a proportion with how much she spent. So you can make a ratio of 1(pound) / $8 compared to x(pounds) / $10. Then, cross-multiply.
 10 = 8x.   Divide both sides by 8
 10/ 8 = x  Simplify the fraction
 1 1/4 = x
So, she bought 1 1/4 pounds of seeds

Artificial turf in on athletic fields was first introduced in the 1960s. Its safety has been controversial since then. One issue that has been investigated is whether injuries of football players tend to be more serious on artificial turf than grass. A study followed 24 NCAA division 1A college football teams over three seasonsIn total there were 1050 injuries that occurred on field turf. Of the field turf injuries, 83.3333% were minor and 10.857% were substantial.

77.972% of grass injuries were minor.

4.26% of injuries occurred on grass were severe.

(There is a total of minor injuries on grass and on field turf is equal to 1813.

How many injuries were severe and occurred on field turf? Write your answer as an integer.

How many injuries were severe? Write your answer as an integer.

Answers

1. Out of 1050 injuries that occurred on field turf:
(1050)(0.8333) = 875 were minor and (1050)(0.10857) = 114 were substantial. This leaves 1050 - 875 - 114 = 61 severe injuries.

2. If there were 1813 total minor injuries, and 875 were on field turf, then 1813 - 875 = 938 were on grass. This is 77.972% of all grass injuries, so 0.77972x = 938 gives x = 1203 total grass injuries.

Since 4.26% of grass injuries were severe, this is (1203)(0.0426) = 51 severe grass injuries. Adding this to the 61 severe turf injuries gives a total of 112 severe injuries.
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