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lilavasa [31]
3 years ago
13

MATH HELP PLEASE

Mathematics
2 answers:
irakobra [83]3 years ago
7 0

Answer: 12.5%

Step-by-step explanation:

Given: A set of data representing the heights of 16 students, in centimeters, is shown in the histogram below.

Therefore, the total frequency of students  = 16

From the histogram, the frequency of students having height between 160 and 169 cm=2

The percent of students are between the heights of 160 and 169 centimeters is given by :-

P=\frac{\text{Frequency of students having height between 160 and 169 cm}}{\text{Total frequency}}\times100\\\\\Rightarrow\ P=\frac{2}{16}\times100\\\\\Rightarrow\ P=12.5\%

Hence, the  percent of students are between the heights of 160 and 169 centimeters = 12.5%

miv72 [106K]3 years ago
4 0
2/16=1/8 = 0.125 12.5%
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20

Step-by-step explanation:

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8 + 3 = 11

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3 years ago
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The system of equations can be solved using linear combination to eliminate one of the variables. 2x − y = −4→10x − 5y = −20 3x
tester [92]

Answer:

Option D is correct.

13x = 39

Step-by-step explanation:

The system of equation is given:

2x-y = -4             ....[1]

3x+5y = 59         .....[2]

Multiply equation [1] by 5 to both sides we have;

10x-5y = -20              .....[3]

Using elimination method:

Add [2] and [3] equations to eliminate y and solve for x, we have;

13x = 39

Divide both sides by 13 we get;

x = 3

Substitute x in [1] we have;

2(3)-y = -4

6-y = -4

Subtract 6 from both sides we have;

-y = -10

Divide both sides by -1 we have;

y = 10

⇒Solution: (3, 10)

Therefore, an equation can replace 3x+5y = 59 in the original system and still produce the same solution is,

13x = 39

6 0
3 years ago
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Is y=10.2x a proportional relationship?​
BabaBlast [244]

Answer:

Step-by-step explanation:

Yes!

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2 years ago
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Step-by-step explanation:

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Kobotan [32]
Lim x→-Infinite y=5(-Infinite-2)^3*(-Infinite-4)^3*(-Infinite-1)
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Lim x→-Infinite y=-Infinite
Then end behaviour to the left is that the graph falls

Lim x→Infinite y=5(Infinite-2)^3*(Infinite-4)^3*(Infinite-1)
Lim x→Infinite y=5(Infinite)^3*(Infinite)^3*(Infinite)
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Then end behaviour to the right is that the graph rises

Answer: Option <span>B) The graph falls to the left and rises to the right.</span>

8 0
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