2 years ago

Suppose A = {x |x ≤ −2, x ≥ 3} and B = {x | −1 ≤ x < 5}. Which statement is true?

Mathematics

1 answer:

vagabundo [1.1K]2 years ago

3 0

A.A∪ B is real numbers

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Percy buys tomatoes that cost $0.58 per pound he pays $2.03 for the tomatoes how many pounds of tomatoes does he buy show your w

dlinn [17]

Answer: 3.5 pounds

Step-by-step explanation:

Cost of 1 pound of tomatoes= $0.58

Thus, to find the quantity of tomatoes Percy bought in $2.03, we need to divide $2.03 by $0.58

⇒ The quantity of tomatoes he bought= $\frac{\$2.03}{\$0.58}=\frac{203}{58}=\frac{35}{10}=3.5$

⇒The quantity of tomatoes he bought = 3.5 pounds

Therefore, Percy bought 3.5 pounds of tomatoes .

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His equation could be written in quadratic form, which is ax^2+bx=c

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The table shows the total cost of purchasing x same-priced items and a catalog.

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6$ cost of the catalog

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Miyoko's goal is to earn more than \$950$950dollar sign, 950 this week. She earns \$250$250dollar sign, 250 for every day she wo

GrogVix [38]

$250 c+ $ 180 g > $ 950

<u>Step-by-step explanation:</u>

As a cryptographer (c), Miyoko earns per day = $ 250

As a geologist (g) , Miyoko earns per day = $ 180

So the equation comes to be $250 c+ $ 180 g = $ 950

The equation can be rewritten to find c as, (950-180 g) / 250

The equation can be rewritten to find g as, (950 - 250 c) / 180

Plugin different values of c and g in the above 2 equations, we can find that ,

To achieve the goal, Miyoko requires to be a geologist for 3 days and crpytographist for 2 days.

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2 years ago

A bicycle wheel has an inside radius of 12 inches. Which expression could be used to find the inside circumference of this wheel

il63 [147K]

Step-by-step explanation:

We have given that,

The inner radius of a bicycle wheel is 12 inches.

It is required to find the expression to find the inside circumference of this wheel.

The outer surface of the wheel is equal to its circumference. It is given by :

$C=2\pi r$

r is radius of wheel

$C=2\times 3.14\times 12\\\\C=75.36\ \text{inches}$

This is the required explanation.

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2 years ago