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Minchanka [31]
3 years ago
15

The scores of 10 students on history test are 85, 79, 65, 72, 86, 66, 90, 98, 78, and 76 which box plot represents the given dat

a
Mathematics
1 answer:
netineya [11]3 years ago
7 0

Answer:

Step-by-step explanation:

65, 66, 72, 76, 78, 79, 85, 86, 90, 98

Q1 = 72

Q2 (median) = (78 + 79) / 2 = 78.5

Q3 = 86

min = 65

max = 98

so ur box plot is gonna look like this :

the box will start at 72 and end at 86......there sill be a line drawn vertically thru the box at 78.5. U will have arrows coming out of both ends of ur box....the one going left will stop at 65 and the one going right will stop at 98.

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I’m not sure how to solve this. help?
shtirl [24]

Answer:

The measure of ∠GKH is 27°

Step-by-step explanation:

  • In the isosceles triangle, the base angles are equal in measures
  • The measure of an exterior angle at a vertex of a triangle equals the sum of the measures of two opposite interior angles

In Δ HJK

∵ HJ = JK

→ That means the triangle is isosceles

∴ Δ HJK is an isosceles triangle

∵ ∠JHK and ∠JKH are base angles

→ By using the first rule above

∴ m∠JHK = m∠JKH

∵ m∠HJK = 70°

∵ m∠JHK + m∠JKH + m∠HJK = 180° ⇒ interior angles of a triangle

∴ m∠JHK + m∠JKH + 70 =180

→ Subtract 70 from both sides

∴ m∠JHK + m∠JKH = 110

→ Divide their sum by 2 to find the measure of each one

∴ m∠JHK = m∠JKH = 110 ÷ 2 = 55°

∵ ∠JHK is an exterior angle of ΔGHK at vertex H

∵ ∠HGK and ∠GKH are the opposite interior angles to ∠JHK

→ By using the 2nd rule above

∴ m∠JHK = m∠HGK + m∠GKH

∵ m∠JHK = 55°

∵ m∠HGK = 28°

∴ 55 = 28 + m∠GKH

→ Subtract 28 from both sides

∴ 27° = m∠GKH

∴ The measure of ∠GKH is 27°

3 0
3 years ago
Tom, Michael and Jane visit the same sport club. Tom visits the club every 5th day, Michael every 6th day and Jane every 8th day
Sedaia [141]

Answer: December 3rd.

Step-by-step explanation:

To solve this question, we have to calculate the multiples of 5, 6 and 8 and then choose the lowest common multiple. After then, we add the number chosen to the date earlier given to derive our answer.

For Tom:

Multiples of 5: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100, 105, 110, 115, 120

For Michael:

Multiples of 6: 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, 66, 72, 78, 84, 90, 96, 102, 108, 114, 120.

For Jane:

Multiples of 8: 8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 88, 96, 104, 112, 120.

L. C. M = 120

It should be noted that when we use the calendar or calculate the number of days we have, August 5 will be 217 days.

The next day when the three of them will be at the sports club will be:

= August 5 + 120

= 217 days + 120 days

= 337 days

The 337th day will be December 3rd.

7 0
3 years ago
At the grocery store, 3 pints of ice cream cost $5.70. How much would 20 pints of ice cream cost?
mr_godi [17]

Answer:

114

Step-by-step explanation:

5.70  TIMES 20 = 114.

8 0
3 years ago
Read 2 more answers
The length of a rectangle is 55 meters less than 44 times the width. if the perimeter is 150150 meters, find the length and the
MrRa [10]
They did not state exactly what the width or length is. So in this case, let's name the number of width to be x. And thus we can derive to the conclusion of,

Width : x
Length : x-44 (from the 1st sentence of question)
So, We all know that a rectangle has 2 Lengths and 2 widths. So we can derive the conclusion that,
2(x)+2(x-44)=150150
2x+2x-88=150150
4x-88= 150150
4x= 150150+88=150238
4x=150238
x= 150238÷4
=37559.5
3 0
3 years ago
Two rectangles are similar . The first rectangle is 14 units long and 6 units wide . The second rectangle is 22.4 units long and
DaniilM [7]

Answer:

8

Step-by-step explanation:

4 0
3 years ago
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