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omeli
1 month ago
12

50 11th graders were asked to choose which of 6 options the school’s color should be. The table below shows the number of studen

ts who chose each color. Use the data to answer the questions.
Color Frequency
Red 10
Blue 7
Orange 5
Black 6
Silver 8
Gold 14

1. Jake wants to make a relative frequency bar graph from these data, with the vertical axis marked off in percentages, from 0 up to 30 percent. What should be the height of the bar for blue?

2. Kate wants to make a relative frequency bar graph from these data, with the vertical axis marked off in percentages, from 0 up to 30 percent. What should be the height of the bar for red?
Mathematics
1 answer:
Inessa [12.5K]1 month ago
7 0
The height of the blue bar should be 14%.
The height of the red bar should be 20%.
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Answer: -3/4

Step-by-step clarification:


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Each year Lizzie's school purchases student agenda books, which are sold in the schooTstore. This year, the school purchased 350
AnnZ [12381]
The outcome is $7.54 for each book.

By adding 1137.5 and 1500, you obtain 2637.5.
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3 months ago
x2y - 2xy - 24y = y(x2 - 2x - 24) What is the completely factored form of x2y – 2xy – 24y? (xy + 4)(x – 6) xy(x + 4)(x – 6) y(x
babunello [11817]

We start with

x^2y-2xy-24y=y(x^2-2x-24)

Next, we can factor out the term on the right side

x^2-2x-24=x^2-6x+4x-6*4

x^2-2x-24=(x-6)(x+4)

Now, we will substitute back

resulting in

So,

x^2y-2xy-24y=y(x-6)(x+4).............Response

5 0
2 months ago
Read 2 more answers
Let c1(t) = eti + (sin(t))j + t3k and c2(t) = e−ti + (cos(t))j − 6t3k. Find the stated derivatives in two different ways to veri
Zina [12379]

Answer:

i ( e^{t} - e^{-t})+ j (cost-sin t)+ k (-15t^{2})

\frac{d}{dx}(e^x) = e^x

Step-by-step explanation:

Step 1:-

We have c1(t) = e^ t i + (sin(t))j + t³k

and c2(t) = e^−t i + (cos(t))j − 6t³k.

By adding c1(t) and c2(t):

c1(t)+c2(t) = e^ t i + (sin(t))j + t³k + e^−t i + (cos(t))j − 6t³k

Now, employing the derivative formula:

\frac{d}{dx}(e^x) = e^x

\frac{d}{dx}(sinx) = cosx\\\frac{d}{dx}(cosx) = -sinx

Next, differentiate with respect to 't'

\frac{d}{dt}c_{1}+ c_{2} } = e^ t i +cost j +3t^2 k - e^-t i - sintj -18t^2 k

By factoring out i, j, and k terms, we arrive at:

\frac{d}{dt}(C_{1} +C_{2} ) = i ( e^{t} - e^{-t})+ j (cost-sin t)+ k (-15t^{2})

7 0
2 months ago
What is the product of 2x2 – 3xy + y2 and 2x – 4y?
AnnZ [12381]

Answer:

C. 4x^3 - 14x^2y + 14xy^2 - 4y^3

Step-by-step explanation:

Given:

Multiplication of 2x^2 – 3xy + y^2 and 2x – 4y

Multiplication refers to the product

(2x^2 – 3xy + y^2) (2x – 4y)

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Combine like terms

= 4x^3 - 14x^2y + 14xy^2 - 4y^3

The result is

C. 4x^3 - 14x^2y + 14xy^2 - 4y^3

8 0
2 months ago
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