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2 years ago

13

Kim has exactly enough money to buy 40 oranges at 3x cents each. If the price rose to 4x cents per orange, how many oranges coul

d she buy?

1 answer:

olganol [36]2 years ago

3 0

53.3

Step-by-step explanation:

Make an equation.

40y = 3x

zy=4x

Substitute y

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How to determine if a function is even or odd calculus?

aalyn [17]

A function $f(x)$ is even if $f(-x)=f(x)$ , and is odd if $f(-x)=-f(x)$ .

Example:

$f(x)=x^2$ is even, since $f(-x)=(-x)^2=x^2=f(x)$ .

$g(x)=x^3-x$ is odd, since $g(-x)=(-x)^3-(-x)=-x^3+x=-(x^3-x)=-g(x)$ .

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2 years ago

What is the value of the expression [-8/9]divide by [-2/3]x[-4 1/2]

Sidana [21]

Answer:

-82/3

Step-by-step explanation:

first divide -8/9 by -2/3

-8/9 ➗ -2/3 =-8/9*3/-2 =4/3

multiply 4/3 by -41/2

4/3*-41/2 = -82/3

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2 years ago

A pizza restaurant offers the following deals

Elanso [62]

Answer:

Step-by-step explanation:

Deal #1: One pizza= $8.99

Deal #2: One pizza= $6.00

Deal #1: Two pizzas= $13.99

Deal #2: Two pizzas= $12.00

Deal #1: Three pizzas= $18.99

Deal #2: Three pizzas= $18.00

Deal #1: Four pizzas= $23.99

Deal #2: Four pizzas= $24.00

Therefore, after FOUR pizzas, deal #1 becomes a better deal.

Tip: Practice some math. You should be able to answer something like this within two minutes MAXIMUM.

4 0

2 years ago

A boy bought a sandwhich 49 inches long. He want to cut it into 3 pieces. the middle piece is 5 inches longer than the shortest

miss Akunina [59]

S+M+L=49

(L-8)+(S+5)+L=49

2L+S=49

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2 years ago

Can someone please help <br><br> Solve. 2a+3=9

dedylja [7]

Answer:

a = 3

Step-by-step explanation:

9-3=6

6/2=3

8 0

2 years ago

Read 2 more answers