MATHEMATICS MIDDLE SCHOOL

Janice is trying to earn $30 to buy a necklace. She has saved $5.25. She earns $2.25 per hour weeding her grandmother's garden and she earns $5.50 per hour selling seashells at the flea market. Will Janice have enough to buy the necklace if she works in the garden for 2 hours and at the flea market for 4 hours? Use the inequality 2.25y + 5.50z + 5.25 ≥ 30.

Answers

Answer 1

Answer: yes she would have 31.75 I think

Answer 2

Answer:

Answer:

The answer would be: B. or Yes, because the total will be $31.75

How do you know?:

Because my heart said so. And i did the math.

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7) 2(2x + 4) – 3(x - 1) = 11

Answers

Answer:

2(2x + 4) – 3(x - 1) = 11

4x+8-3x+3=11

4x-3x+8+3=11

x+11=11

x=0

Step-by-step explanation:

Answer:

x = 0

Step-by-step explanation:

Given

2(2x + 4) - 3(x - 1) = 11 ← distribute parenthesis and simplify left side

4x + 8 - 3x + 3 = 11

x + 11 = 11 ( subtract 11 from both sides )

x = 0

What is the graph of the equation x=-3

Answers

It should be a straight vertical line moved to the left by 3.

How many quarts are in a pint

Answers

There are exactly 0.499999 quarts in 1 pint.

Hi There!

How many quarts are in a pint?

Answer: 0.499999 or 0.49

What is the volume of a cone that has a height of 7 mm and a radius of 3 mm? Use 3.14 to approximate pi and round the answer to two decimal places if necessary.___mm3

Answers

volume=1/3 times area of base (circle) times height

circle=3.14 times radius^2
circle=3^2 times 3.14
circle=9 times 3.14=28.26
times height (7)
197.82
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answer is 65.94 mm^3

Jamie is selling tickets at a whale watch at a local beach.The tickets cost $24.40 for an adult and $14.50 for a child.Jamie earns a 30% commission on all ticket sales.Write an expression using parentheses to represent how much Jamie earns from selling tickets,where a is the number of adult tickets c is the number of children tickets sold.Use the distributive property to simplify the expression.please explain too :D

Answers

30% = .3

.3(24.40a + 14.50c)

24.40 = cost of adult ticket
14.50 = cost of child ticket
a = # of adult tickets sold
c = # of child tickets sold

.3 * 24.40a + .3 * 14.50c
answer: 7.32a + 4.35c

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