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Oksi-84 [34.3K]
3 years ago
12

Dexter collected data from his classmates on whether they prefer hamburgers or hotdogs.

Mathematics
2 answers:
algol133 years ago
6 0
C) More girls than boys prefer hamburgers over hotdogs.
Vedmedyk [2.9K]3 years ago
3 0

Answer:

C) More girls than boys prefer hamburgers over hotdogs.

Step-by-step explanation:

Boy likes hamburgers:  

13

(13 + 8)

=  

13

21

= 0.6190 ≈ 62%

Girl likes hamburger:  

12

(12 + 5)

=  

12

17

= 0.7059 ≈ 71%

thus,

girls (71 of 100) > boys (62 of 100)

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Find the volume of each figure. Round to the nearest tenth if necessary.​
RideAnS [48]

Answer:

396

Step-by-step explanation:

the volume of a rectangular is calculated as V=l×w×h

l=11, w=12, h=3

V=11×12×3

V= 396

3 0
2 years ago
Which situation could not represent a proportional relationship?
Natasha_Volkova [10]
Megan bought a fridge for $499 plus $100 delivery fee is not a proportional relationship.
7 0
2 years ago
Read 2 more answers
Triangle GHI is similar to triangle JKL. Find the measure of side JK. Round your
ki77a [65]

Answer:

JK = 18.8

Step-by-step explanation:

7/33 = 4/JK

132 = 7JK

JK = 18.86

6 0
3 years ago
Read 2 more answers
Jk =5x+17,KL = x -1,JL=7x-9 find a range of possible values for x
nadya68 [22]

Answer:

x = 25

Step-by-step explanation:

It is given that,

JK =5x+17,

KL = x -1,

JL=7x-9

We need to find the range of possible values for x.

It can be assumed that K is a mid point of JL.

JL = JK + KL

Putting all the values,

7x-9 = 5x+17 + x -1

Taking like terms together,

7x-5x-x = 17-1+9

x = 25

So, the value of x is 25.

3 0
3 years ago
PLEASE HELP
SVETLANKA909090 [29]

Answer:

Hill 1: F(x)  = -(x + 4)(x + 3)(x + 1)(x - 1)(x - 3)(x - 4)

Hill 2: F(x)  = -(x + 4)(x + 3)(x + 1)(x - 1)(x - 3)(x - 4)

Hill 3: F(x) = 4(x - 2)(x + 5)

Step-by-step explanation:

Hill 1

You must go up and down to make a peak, so your function must cross the x-axis six times. You need six zeros.

Also, the end behaviour must have F(x) ⟶ -∞ as x ⟶ -∞ and F(x) ⟶ -∞ as x⟶ ∞. You need a negative sign in front of the binomials.

One possibility is

F(x)  = -(x + 4)(x + 3)(x + 1)(x - 1)(x - 3)(x - 4)

Hill 2

Multiplying the polynomial by -½ makes the slopes shallower. You must multiply by -2 to make them steeper. Of course, flipping the hills converts them into valleys.

Adding 3 to a function shifts it up three units. To shift it three units to the right, you must subtract 3 from each value of x.

The transformed function should be

F(x)  = -2(x +1)(x)(x -2)(x -3)(x - 6)(x - 7)

Hill 3

To make a shallow parabola, you must divide it by a number. The factor should be ¼, not 4.

The zeroes of your picture run from -4 to +7.

One of the zeros of your parabola is +5 (2 less than 7).

Rather than put the other zero at ½, I would put it at (2 more than -4) to make the parabola cover the picture more evenly.

The function could be

F(x) = ¼(x - 2)(x + 5).

In the image below, Hill 1 is red, Hill 2 is blue, and Hill 3 is the shallow black parabola.

6 0
3 years ago
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