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AlladinOne [14]

3 years ago

15

David wants to buy 2 pineapples and some bananas. The price of one pineapple is 2.99. The price of bananas is 0.67 per pound. Da

vid wants to spend less than ten dollars write an inequality that represents the number of pounds of bananas, b David can buy

1 answer:

Amiraneli [1.4K]3 years ago

8 0

10 ≥ 2(2.99) + 0.67b
10 ≥ 5.98 + 0.67b
4.02 ≥ 0.67b
6 ≥ b
David can buy 6 pounds of bananas at most.

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PLEASE SHOW YOUR WORK!!! (solve system of equations by adding, subtracting, or multiplying.)

Aliun [14]

Hey friend, hope I can assist you!
I will solve by elimination <3.
Multiply 3x - 7y = 2 by 2: 6x - 14y = 4
6x - 14y = 4
6x - 9y = 9
5y = 5
Now we have
6x - 14y = 4
5y = 5
Now we want to solve 5y = 5 for y
So simply divide both sides by 5.
5y/5 = 5/5
This gives us one or in other words, y = 1.
Now we want to plug y = 1 into 6x - 14y = 4
So 6x - 14 * 1 = 4
This gives us
6x - 14 = 4
Now add 14 to both sides.
6x - 14 + 14 = 4 + 14
6x = 18
Now divide both sides by 6
6x/6 = 18/6
This gives us 3 so x = 3
Therefore our solutions to this system of equations would be y = 1 and x = 3

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3 years ago

If the graph of a line goes from the upper left corner of the graph to the lower right corner what can you say about its slope ?

GREYUIT [131]

Answer: You can say that the slope is negative since the graph is decreasing.

Step-by-step explanation:

7 0

3 years ago

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Which of the following improper fractions is equivalent to the mixed number 4 2\3 ?

Alex787 [66]

The improper fraction form of 4 2/3 would be 14/3, if that is one of the choices.

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4 years ago

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A rectangle has an area of 20 square feet a similar rectangle has an area of 180 square feet what is ratio of the areas of these

Evgen [1.6K]

Answer:

The ratio of the areas of the smaller rectangle to the larger rectangle is $\frac{1}{9}$

Step-by-step explanation:

we know that

if two figures are similar, then the ratio of its areas is equal to the scale factor squared

Let

z-----> the scale factor

x-----> the area of the smaller rectangle

y----> the area of the larger rectangle

so

$z^{2}=\frac{x}{y}$

substitute the values

$z^{2}=\frac{20}{180}$

simplify

$z^{2}=\frac{1}{9}$

That means, the area of the larger rectangle is 9 times the area of the smaller rectangle

$z=\frac{1}{3}$ ------> the scale factor

That means, the dimensions of the larger rectangle is 3 times the dimensions of the smaller rectangle

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3 years ago

How many times smaller is 2 x 10-13 than 4 x 10-10

polet [3.4K]

Answer:

30/7

Step-by-step explanation:

2 x 10 -13

20 - 13

7

4 x 10 -10

40 - 10

30

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3 years ago