MATHEMATICS MIDDLE SCHOOL

Solve 4(x + 5) < 6x + 6

Answers

Answer 1
Answer:

Answer:

x > 7

Step-by-step explanation:

4x+20 < 6x+6 Distribute the four

14 < 2x Put the same terms on the same side

7 < x divide by 2

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Key features of Graphs

Answers

The graph is **increasing on the interval (-2, 1)**because the graph has a positive slope from x=-2 to x=1. It’s **decreasing at the intervals (-infinity, -2) and (1, infinity)**because the graph has a negative slope between the x values -infinity to -2 and is also decreasing between the x values of 1 and infinity.

X - b = a what is answer and show work plz!

Answers

x-b=a
x+b=a
+b
----------
X= a/b
All you need to do is get the x alone

Dominic is buying candy by the pound for a party. For every 10 pounds of candy he buys, he pays $12. What is the cost per pound for the candy?

Answers

Answer:

Cost  per pound for the candy is $1.20

Step-by-step explanation:

Dominic is buying candy by the pound for a party. For every 10 pounds of candy he buys, he pays $12.

10 pounds of candy costs $12

To find the cost of 1 pound of candy we divide the cost of 10 candy by 10

cost of 1 pound of candy = 12/10 = 1.2

Cost  per pound for the candy is $1.20
TO find out how much money is one pound you have to do 12/10
12 divided by 10 is 1.20
SO The cost of one pound is $1.20 

Which of the following equations results in no solutions?A 3(u + 5) = 2u + 15
B 3(u + 5) = 2u + 15 + u
C 3(u + 5) = 2u - 4 + u
D 3(u + 5) = 2u - 4
need help please

Answers

It will be B because Problem A,C,D is wrong not Problem B

Multiply (3x3) by 3??

Please help

Answers

Lets write this out:-

(3 × 3)3

First lets do what is in the parentheses, because we will follow PEMDAS. Then we will multiply, Lets do it:-

(3 × 3)3
(9)3
27

So, (3 × 3)3 = 27.

Hope I helped ya!! xD
3(3 × 3) First multiply inside the parenthesis;
3(9) Then multiply the last terms;
3 × 9 = 27
so your final answer is 27

A gift basket that contains jars of jam and packages of bread mix costs $45. There are 8 items in the basket. Jars of jam cost $6 each, and packages of bread mix cost $5 each. Write and solve a system of linear equations to find the number of jars of jam and the number of packages of bread mix in the gift basket. Let xx represent the number of jars of jam and let y represent the number of packages of bread mix.

Answers

8 items
jams+breadmix=8
x+y=8

total value is 45
value of jam=x times cost per jam=x times 6=6x
value of bread=y times cost per bread=y times 5=5y

total value=bread value+jam value
45=5y+6x


we have
x+y=8
6x+5y=45
solve

multiply first equaton by -5
-5x-5y=-40

add to first equation

-5x-5y=-40
6x+5y=45 +
1x+0y=5

x=5
subsitute
x+y=8
5+y=8
y=3


5 jars of jam
3 jars of bread mix
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