Mathematics High School

Please help !!!!!!!!!!!!!!!!!!!!!!!!!!

Please Help !!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer 1

Answer:

1) b - correct statement: The interquartile range of the number of volunteers is 16

2) c - correct statement: About 50% of the students have between a 75 and a 90

Step-by-step explanation:

1B --> 66 - 50

2C --> About 50% of the students have between a 75 and a 90

Related Questions

Write an equation of the line that passes through the points (3,8) and (2.6). Write the equation in slope-intercept form.
The equation of the line in slope-intercept form is

Answers

Answer:

2x - y + 2 = 0 is the equation

y = 2x + 2 is the equation in slope-intercept form

Step-by-step explanation:

slope = (y₂ - y₁) / (x₂ - x₁)

slope = (6 - 8) / (2 - 3)

slope = -2 / -1

slope (m) = 2

equation through the points (3,8) and (2,6):

(y - y₁) / (y₂ - y₁) = (x - x₁) / (x₂ - x₁)

(y - 8) / (6 - 8) = (x - 3) / (2 - 3)

(y - 8) / -2 = (x - 3) / -1

-y + 8 = -2x + 6

2x - y + 2 = 0

slope-intercept form,

y = mx + c

y = 2x + 2

how do you solve fire x.

Answers

Answer:

x = 10

Step-by-step explanation:

Sum of all the angle of triangle = 180

71 + 50 + 6x - 1 = 180

71 + 50 -1 + 6x = 180

    120  + 6x   = 180

            6x = 180 - 120

           6x = 60

             x = 60/6

x = 10

Which statement is true?
A. All rectangles are squares.
B. Some trapezoids are parallelograms.
C. All squares are rhombuses.
D. No rhombuses are rectangles.

Answers

C skwkwnqwnnwwnqnnsnanakaiauy
C is the correct answer A rhombus is a parallelogram with all congruent sides.
A square is a parallelogram with all congruent sides, which makes every square is a rhombus. Hope this helps :)

which set of sides will NOT make a triangle?
19cm 14cm 7cm
11cm 13cm 3cm
12cm 7cm 5cm
2cm 3cm 4cm

Answers

Answer:

12cm 7cm 5cm

Step-by-step explanation:

Since 7 + 5 is = 12, it cannot be a side of a triangle. If you add any 2 numbers, the sum must be greater than the 3rd one.

5. What is the inverse function of ​

Answers

Answer:

i think that it is. C.

i think it will help

I also think it’s C
Hope that helps!

the length of a rectangle is 6 feet longer than its width the perimeter is less than 48 feet write a mathematical expression for the width of the rectangle

Answers

Answer:

288

Step-by-step explanation:

help me please? ill mark as brainliested :))

Answers

Answer:

go down 5 on the y axis (the one going up and down)

Step-by-step explanation:

since its negative you go down, and since it doesnt give an x axis it doesnt go left or right.

Help please 10 points

Answers

Answer:

200

Step-by-step explanation:

basically, all you have to do is plug in 30 for n. You would get -3 + 7(30-1), and then you would get -3 + 7 x 29, and then you would get -3 + 203, and the final answer would be 200

The answer is 200!!!

what is 49cm^2 in mm^2

Answers

Answer:

4900mm^2 or 24010000mm

Step-by-step explanation:

Find the length of AB.
AB= [ ? ]in

Answers

Arc AB is equal to 3.14

Original Price Percent of Discount Sale Price $ 15% $146.54​

Answers

Answer:

$21.98

Step-by-step explanation:

Answer:

172.40

Step-by-step explanation:

does 13, 12, 6 form a pythagorean triple?

Answers

Answer:

No

Step-by-step explanation:

the pythagorean theorem is

a^2+b^2=c^2

These numbers do not fit in these terms

Answer:

It doesn't.

Step-by-step explanation:

In order for something to be a {ythagorean triple, it must comply with the Pythagorean theorem, which is a² + b² = c²

Always remember, when plugging in the values into that equation, the exponent of two means to square the number, and a and b have to be the two smallest values (in this case, 6 and 12)

6² = 36

12² = 144

36 + 144 = 180

Now, we have to find if ti equals c². 13² equals 169

Therefore, 180 ≠ 169, therefore it IS NOT a Pythagorean triple.

What is the probability of landing on red and rolling a number greater than 2?
1/6

1/4

1/3

1/2

Answers

1/4 because there is 4 other numbers since there is only 6 numbers in a dice.

If someone can help pls need soon

Answers

Answer:

Step-by-step explanation:

b) Select all expressions that can be used to find 85% of 280.
A.
8.5
10
280
B.
0.85
100
280
C.
85
100
280

Answers

Answer:

238

85%of 280 is 238

Step-by-step explanation:

hope this helps

PLS HELP WILL MARK BRAINLIEST!!!

Answers

Answer:

The answer is 8.304 then 8.92 then 167/20 then 8 3/10. :)

Step-by-step explanation:

Answer:

8 3/10, 8.304, 167/20, 8.92

Step-by-step explanation:

Turn all of them into decimals

8 3/10 = 8.30

8.304

167/20 = 8.350

8.92

Can someone help me please

Answers

Answer:

13.7

Step-by-step explanation:

15^2-6^2=189

The square root of 189 is 13.74 blah blah blah

Answer:

13.7

Step-by-step explanation:

a²+b²=c²

a²+6²=15²

a²+36=225

a²=189

a≈13.7

Which expression is equivalent to 3(6+p) ?

Answers

Answer:

18 + 3p

Step-by-step explanation:

Using distributive property:

3(6+p)

18 + 3p

A pair of jeans is on sale for $56 at 35% off. What is the original price of the jeans? Show your work to receive full credit

Answers

160 I think if ur solving for n

jimmy has 90 billion watermelons and spends on a rocket that cost 42 billion melons how much will jimmy have?

Answers

Answer:45,000,000,000 melons

Step-by-step explanation:

90,000,000,000-45,000,000,000=45,000,000,000

PLEASE ANSWER URGENT!! TWO QUESTIONS IN ONE
Which number has the least absolute value?
15
5
1
-25

Which number has the greatest absolute value?
15
5
0
-25

Answers

Answer:

1 has the least absolute value and -25 has the greatest absolute value

Step-by-step explanation:

If it is absolute value all numbers will be positive no matter the sign they have

the equation of a circle is x2 + y2 - 12x + 6y + 20 = 0.
what is the radius of the circle? enter your answer in the box. r = ___ units​

Answers

Answer:

Center (6, -3)

Radius 5

A store manager earns $24.00 per hour. If the manger works 8 hours one day and donates 1/10 of the days earnings to charity how much of the earnings are left?

A $19.20

B$29.60

C $172.80

D 192.00

Answers

The answer would be letter A

Which expression is equivalent to

Answers

Answer:

B

Step-by-step explanation:

what is the formula for area

Answers

area of rectangle = length×breadth

area of square = side×side

Elaine worked 48 hours last week. Her hourly rate is $9.20. What was her GROSS PAY?

Answers

48 x 9.20 = $441.6
I hope this helps!
enjoy a meme as well, best of luck to you!

Answer:

48 × 9.20 = 441.60

Step-by-step explanation:

gross wages can be calculated by multiplying the number of hours worked by the employee's hourly wage.

Which of these factored expressions are equivalent to 15x+45? Select all that apply

A-3(5x+15)
B-5(3x+9)
C-15(x+3)
D-15(x+45)

Answers

Answer:

A, B, C

Step-by-step explanation:

15x+45

3 (5x + 15)

5(3x +9)

15(x + 3)

find the value of given expression

[tex] \sqrt{9 \times 81 \times 9} [/tex]
​

Answers

Answer:

√{9×81×9}=√(9²×9²)=±(9×9)=±81

Answer:

your answer will be 81

Step-by-step explanation:

.......

Firewood is often sold by the cord. A cord of wood is a bundle measuring 4 feet by 4 feet by 8 feet. What’s the volume of a cord of wood in cubic feet? A. 128 cu. ft b. 3,456 cu. ft c. 4.74 cu. ft D. 64 cu. ft.

Answers

Answer:

128 cu. ft

Step-by-step explanation:

4 x 4 x 8 = 16 x 8 = 128

During a walk a thon,noahs time in hours was,t,and distance in miles,d,are related by the equation 1/3d=t .A gragh of the equarion includes points (12,4)

Answers

Question:

During a walk-a-thon, Noah's time in hours was t, and distance in miles, d, are related by the equation [tex]\frac{1}{3}d = t[/tex].  A graph of the equation includes points (12,4).

1. Identify the independent variable.

2. What does the point (12,4) represent in this situation?

3. What point would represent the time it took to walk [tex]7\frac{1}{2}[/tex] miles?  

Answer:

(a) d

(b) He spent 4 hours to walk 12 miles

(c) [tex](7\frac{1}{2},2\frac{1}{2})[/tex]

Step-by-step explanation:

Given

[tex]t = \frac{1}{3}d[/tex]

Solving (a): The independent variable

The independent variable, in this problem is the distance walked. Because the distance walked stands alone, and it is when the distance is known, that the time spent is known.

Hence:

The independent variable is distance (d)

Solving (b): What (12, 4) represents

This implies that:

[tex]distance = 12[/tex]

[tex]time\ spent = 4[/tex]

So: He spent 4 hours to walk 12 miles

Solving (c): Point to represent the time to walk [tex]7\frac{1}{2}[/tex] miles

This implies that:

[tex]d = 7\frac{1}{2}[/tex]

Substitute [tex]d = 7\frac{1}{2}[/tex] in [tex]t = \frac{1}{3}d[/tex]

[tex]t = \frac{1}{3} * 7\frac{1}{2}[/tex]

Express as improper fraction

[tex]t = \frac{1}{3} * \frac{15}{2}[/tex]

[tex]t = \frac{5}{2}[/tex]

Express as mixed number

[tex]t = 2\frac{1}{2}[/tex]

So: The point is, [tex](7\frac{1}{2},2\frac{1}{2})[/tex]

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