MATHEMATICS HIGH SCHOOL

Solve the equation: 7x = 42.
A. x = – 7
B. x = – 6
C. x = 6
D. x = 7

Answers

Answer 1
Answer: 7x=42
Divide both sides by 7
42÷7 =6
6 x 7 = 42
C. x = 6
Answer 2
Answer: 7x = 42

7x/7 = 42/7
x = 42/7
x = 6

Answer: x = 6

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Ben purchased lunch today at the school cafeteria for $2.75. Before today, Ben owed $9.15 on his lunch account. What is the status of his lunch account after today?

Answers

The status of his lunch account after today will be $11.90

What is mean by Addition?

The process of combining two or more numbers is called the Addition.

Given that;

Ben purchased lunch today at the school cafeteria for $2.75.

And, Before today, Ben owed $9.15 on his lunch account.

Now,

Since, Ben purchased lunch today at the school cafeteria for $2.75.

And, Before today, Ben owed $9.15 on his lunch account.

Hence, The total owed money for lunch = $2.75 + $9.15

                                                              = $11.90

Thus, The status of his lunch account after today will be $11.90.

Learn more about the addition visit:

brainly.com/question/25421984

#SPJ2

Answer:

-$11.90

Step-by-step explanation:

Add the two numbers and make it negative because it is owed money

Determine whether or not the two equations below have the same solution. In two or more complete sentences, explain your rationale.2/3x + 3/4 = 8 8x=87

Answers

Answer:

The two equation have the same solutions.

Step-by-step explanation:

Consider the provided equations.

(2)/(3)x + (3)/(4) = 8 ......(1)

8x=87.......(2)

We need to determine whether or not the two equations below have the same solution.

Solve the first equation.

(2)/(3)x + (3)/(4) = 8

Multiply both the sides by 12.

2x(4) + 3(3)=96

8x + 9=96

8x=96-9

8x=87

Here we can observe that after simplifying the first equation both the equation becomes the same.

Hence, the two equation have the same solutions.
No they don't. 2/3=.67, 3/4=.75. 8-.75=7.25. 7.25/.67=10.82.... 87/8=10.88 :) hope this helps

A pack of 9 toilet rolls costs £4.23A pack of 4 toilet rolls costs £1.96

Which pack gives the better value for money?

You must show all your working.

Answers

A pack of 4 toliet paper rolls is a better deal because it is better to get 2 packs 4 toilet rolls cost for £1.96 than 9 for  £4.23.

1.96 times 2 is 3.92, so it is better to get the  toilet rolls cost for £1.96

A line passes through (2, −1) and (4, 5). which answer is the equation of the line? −3x y=−7−3x y=−7 −3x y=17−3x y=17 −3x 5y=13−3x 5y=13 −3x 5y=−13

Answers

Equation of a line through two points is given by y - y1 = ((y2 - y1)/(x2 - x1))(x - x1)
y - (-1) = ((5 - (-1))/(4 - 2))(x - 2)
y + 1 = ((5 + 1)/2)(x - 2)
y + 1 = 6/2 (x - 2)
y + 1 = 3(x - 2) = 3x - 6
-3x + y = -6 - 1
-3x + y = -7

Choose the set that consists of only prime numbers.A
2, 4, 8, 12

B
13, 15, 17, 19

C
2, 5, 23, 29

D
3, 17, 29, 81

Answers

the answer is C because 2, 5, 23, and 29 are prime numbers (you can also look up a chart and highlighted numbers are prime). prime numbers is a whole number greater than 1 and cannot be formed when multiplying two smaller numbers that are whole. it must involve itself in a multiplication equation.

How many milliliters are in 30 Liters?
300
3,000
30,000
300,000

Answers

In this question, there is nothing complicated. only thing that needs to be done is to convert 30 liters into milliliters. For this purpose it is important to know the number of milliliters in 1 liter. then the problem becomes very easy to solve.
1 liter = 1000 milliliters
then
30 liters = (1000/1) * 30 milliliters
             = 1000 * 30 milliliters
             = 30000 milliliters
So from the above deduction we can conclude that the third option of 30000 is the correct option,. i hope there is nothing uncomplicated in the procedure for you to understand.

my guy u could've just said 30000


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