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CaHeK987 [17]
3 years ago
10

What is the value of 0.75-(-0.4 + 0.25)?

Mathematics
2 answers:
kolbaska11 [484]3 years ago
6 0

Answer:

0.9

Step-by-step explanation:

I think. Good Luck

xz_007 [3.2K]3 years ago
5 0
I believe it’s 1 if I did my math correct.
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The student council is selling cupcakes at the school play. ​The cost to ​make the cupcakes is a fixed $75 plus $0.17 per cupcak
dedylja [7]

Answer:

C = 75 + 0.17x and R = 2x

2x - (75 + 0.17x) > 0

x ≥ 41

Step-by-step explanation:

The cost to make the cupcakes is a fixed $75 plus $0.17 per cupcakes made and the selling price of each cupcake is $2.00.

Part A: Now, the equation for the cost, C, for making x cupcakes is  

C = 75 + 0.17x ......... (1)

Again the equation for the revenue, R, from selling x cupcakes is

R = 2x ............ (2)

Part B: So, the inequality that could be solved to find the number of cupcakes, x, that must be made and sold to make a profit is  

R - C > 0

2x - (75 + 0.17x) > 0 ......... (3)

Part C: Solving inequality (3) we get

(2 - 0.17)x > 75

⇒ x > 40.98

⇒ x ≥ 41 {Since, x can not be a fraction}

(Answer)

3 0
3 years ago
Cristina wants to make centerpieces for a dinner party. She buys 7 cylindrical vases and plans to fill them each halfway with co
qaws [65]
403.2 cubed inches because 3 times 4 times 3.14 is 403.15 which rounds to 403.2
4 0
3 years ago
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Lamonte has 80 cents, Maggie has 3/4 of a dollar Gus is has two dimes and a nickle, and beau has six six dimes. Who has the most
Ulleksa [173]

beau has the most money

hope this helps

6 0
3 years ago
Write a word that has line symmetry, like the word OHIO. Draw the line(s) of symmetry for each letter
Karolina [17]

Answer:

1. MOM can be cut in half vertically in the middle of the O.

2. HIKED can be cut in half horizontally cutting right down the middle.

3. CHECK can also be cut in half horizontally just like No. 2.

4.

M

A

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5. CHECKBOOK can be cut in half horizontally cutting right down the middle.

7 0
3 years ago
Martin says that f(x)=2(4)^x starts at 4 and has a constant ratio of 2. What error did Martin make? Explain.
grigory [225]

Answer:

A general exponential equation is written as:

f(x) = A*(r)^x

Where:

A is the initial value, this is the value that the function takes when x = 0.

r is the rate of growth

x is the variable.

In this case, the function is:

f(x) = 2*(4)^x

The initial value is:

f(0) = 2*(4)^0 = 2*1 = 2

The initial value is 2.

And the rate of growth is 4.

So Martin seems to mixed these two values (he said initial value = 4, and rate  = 2, which is the opposite of what we found)

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3 years ago
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