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NemiM [27]
2 years ago
15

You have two boxes of colored pens. The first box contains a red pen, a blue pen, and green pen. The second box contains a yello

w pen, a red pen, and a black pen. What is the set that represents all the pens?
A. {red pen, blue pen, green pen}
B. {red pen}
C. {red pen, red pen, green pen, yellow pen, black pen}
D. {red pen, blue pen, green pen, yellow pen, black pen}
Mathematics
2 answers:
Stella [2.4K]2 years ago
7 0

Answer: Unions and Intersections of Sets Quick Check

1.  {Red pen,blue pen,green pen,yellow pen,black pen}

2. {Walnuts, peanuts, pistachios, pecans, almonds, Brazil nuts}

3. {0,3,6,9,12}

4. {Fever, joint pain,tiredness}

5. {Wheat, baking soda, salt}

Step-by-step explanation:

jarptica [38.1K]2 years ago
3 0
<em>D. Although C might be correct, D lists the blue pen that is in the first box and C doesn't.</em>
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If (inserted image), then f(2)=<br> A)1/3<br> B)1<br> C)7
Lubov Fominskaja [6]

Given : f(x) = 3x + 1

We get f(2) by substituting x = 2 in the given Function

⇒ f(2) = 3(2) + 1

⇒ f(2) = 6 + 1 = 7

Option C is the Answer

6 0
3 years ago
F(x) = -x^2+3 <br><br> find f(-2)
Fiesta28 [93]

f(x) = -x² + 3

f(-2) = -(-2)² + 3 = -4 + 3 = -1

Answer → f(-2) = -1

7 0
2 years ago
Write the equation of the line that passes through the points (9, -8) and (-3,8).
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3 years ago
Can someone help me <br><br> 1.3x-338
Olegator [25]

Answer:

Equivalent expressions are expressions which are equal. This means they simplify to the same expression. Simplify the two expressions -1.3x - (-8.9x) = 7.6x and -1.3 + (-8.9X) = -10.2x.

Then simplify each option to determine if it is equal -1.3x - (-8.9x), -1.3 + (-8.9X) or neither:

−1.3x−8.9x  = -10.2x. This is equivalent to  -1.3 + (-8.9X) .

8.9x+(−1.3x)  = 7.6x This is equivalent to  -1.3x - (-8.9x) .

−8.9x+(−1.3x)  = -10.2x This is equivalent to  -1.3 + (-8.9X) .

8.9x−(−1.3x)  = 10.2x Neither

−1.3x+8.9x  = 7.6x This is equivalent to  -1.3x - (-8.9x)  .

−8.9x+1.3x = -7.6x Neither

Step-by-step explanation:

5 0
3 years ago
A bicycle store costs ​$3500 per month to operate. The store pays an average of ​$75 per bike. The average selling price of each
vfiekz [6]

Answer: the store needs to sell 50 bicycles each month to break even

Step-by-step explanation:

The average selling price of each bicycle is ​$145.

When we talk of break even, we are referring to the point at which the income being accrued from a business is equal to the total cost of running the business. At this point, their is no profit and there is no loss.

From the example information given,

Total cost of running the business will be

cost of operating the bicycle store + the total amount the store pays per bike.

cost of operating the bicycle store

= ​$3500 per month

The store pays an average of ​$75 per bicycle. If the store buys x bicycles per month, then,

Total the total amount the store pays per bike = 75 × x = 75x

Total cost of running the business per month

= 3500 + 75x - - - - - - -1

The average selling price of each bicycle is ​$145. This means that the selling price for x bicycles will be

145 × x = 145x

Therefore , total income is $145x

To break even,

145x = 3500 + 75x

145x - 75x = 3500

70x = 3500

x = 3500 / 70 = 50

8 0
3 years ago
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