Mathematics High School

A football team carried out a report to see the impact of stretching on preventing injury. Of the 60 footballers in the squad 48 stretch regularly. Of those who stretch, 8 got injured last year. There was a total of 17 injured players last year.
The results can be presented in a frequency tree. What fraction of players who do stretch get injured?

Answers

Answer 1

Answer:

1 in every 6 players 1/6

8/48=1/6

Related Questions

The dots in the diagram are 1 unit apart. What is the longest segment that can be drawn between two of the dots without
intersecting another dot in the diagram?
A)
1
B)
2
Vs
D)
2/2

Answers

Answer:

the correct answer is C) √5

Step-by-step explanation:

The expression 3(-2m + 5) - 6(-4m - 2) can be written in the form am + b. What is the value of a + b?

Answers

Answer: 45

Step-by-step explanation:

3(-2m + 5) -6(-4m - 2) =

-6m + 15 + 24m + 12=

18m + 27

18= a 27= b 27 + 18= 45

The value of the expression a + b is 45.

What is an expression?

An expression contains one or more terms with addition, subtraction, multiplication, and division.

We always combine the like terms in an expression when we simplify.

We also keep all the like terms on one side of the expression if we are dealing with two sides of an expression.

Example:

1 + 3x + 4y = 7 is an expression.

3 + 4 is an expression.

2 x 4 + 6 x 7 – 9 is an expression.

33 + 77 – 88 is an expression.

We have,

First, we can simplify the expression using the distributive property:

3(-2m + 5) - 6(-4m - 2) = -6m + 15 + 24m + 12

Combining like terms, we get:

18m + 27

So, a = 18 and b = 27, which means:

a + b = 18 + 27 = 45

Therefore,

The value of a + b is 45.

Learn more about expressions here:

https://brainly.com/question/3118662

#SPJ3


Solve the system of linear equations by substitution.
y = -2x + 10
y = x +1

Answers

Step-by-step explanation:

y=14

y=1

thats the answer.

Simplify:
4y - 1/2 (-3/4+2/3y)

Answers

4y + 3/4+ -2y/3 /2 should be it I think

Answer:

11/3y-3/8

Step-by-step explanation:

Distribute -1/2 through the parentheses

4y-3/8-1/3

calculate the difference

Answer- 11/3y-3/8

6. Draw the graph of the linear equation 3x - y = 3. Hence find the
coordinates of the point where the graph intersects y-axis.

Answers

Answer:

(0,-3)

Step-by-step explanation:

A new tv costs 1500, a salesperson makes 3.25% commision for every sale, how much would the salesperson make for 1 tv sold.

Answers

Answer:

48.75

Step-by-step explanation:

The salesmen makes a commission of 3.25%. So to get the percent into a usable form for this take 3.25 and divided by 100. You get 0.0325.

Now you take the 0.0325 and mutliply it by the 1500. This gives you 48.75

Determine whether the expression is a polynomial. If it is a polynomial, find the degree
and determine whether it is a monomial, binomial, or trinomial.
3y^2 – 2

Answers

Answer:

This expression is a polynomial. The largest exponent is 2, therefore, it is in the quadratic degree. It is a binomial because it has two parts: 3y² and -2.

A circle is drawn inside a square so its circumference touches each of the four sides of the
square. If the area of the circle is 125.8cm2 calculate the length of the sides of the square.

Answers

Answer:

12.66 cm

Step-by-step explanation:

Area of the circle = 125.8 Sq cm

[tex] \therefore \: \pi {r}^{2} = 125.8 \\ \\ \therefore \: 3.14 \times {r}^{2} = 125.8 \\ \\ {r}^{2} = \frac{125.8}{3.14} \\ \\ {r}^{2} = 40.0636943 \\ \\ {r} = \sqrt{40.0636943} \\ \\ r = 6.32958879 \\ \\ r \approx \: 6.33 \: cm \\ \\ d \: = 2r \\ \\ d = 2 \times 6.33 \\ \\ d = 12.66 \: cm \\ [/tex]

Diameter of the circle = 12.66 cm

Since, circumference of the circle touches each of the four sides of the square.

So, length of the sides of the square

= diameter of the circle.

= 12.66 cm

Please help me with this homework

Answers

Answer:

Step-by-step explanation:

No Taxi - 95

No Bus total - 275

Yes Taxi total - 120

Total Total - 400

Determine the value of the expression

Answers

This is the answer..........

Given the equation 2x2 - 5x + 7 = 0.
1. Find the discriminant.
2. Describe the roots and explain your reasoning.

Answers

Answer:

how is it  0????

Step-by-step explanation:

PLEASE HELP ME!

Solve: system by elimination form

1.
2x + y = 25
3y = 2x - 13
----------------------------------------------------

Answers

2x+y=25
-2. -2
1y=23
1y=1y
Y=23
Here is the answer this is the full answer Im just typing cause the app want me to do

HELP I NEED HELP ASAP

Answers

Answer:

i think its; there  all inequalities

Step-by-step explanation:

Can someone help me with this please???...

Answers

Answer:

2×2×2×2× 5

Step-by-step explanation:

use the tree method it helps

Answer:

hey mate this is your answer..

How much sand is needed to fill a pit that
is 10m deep and 8m wide and 12m long?

Answers

Answer:

The answer is 960cm3

Step-by-step explanation:

you multiply all the numbers

Please do number 19 for me.

Answers

angles in triangle add to 180 degrees
20x=180
x=9
Angle ABC is the top one
8x9=72

Answer:

[tex]x = 9[/tex]

[tex]angle \: abc = 8x + 6x + 6x \\ 20x = 180 \\ x = \frac{180}{20} \\ x= 9[/tex]

[tex]plzz \: \: mark \: as \: brainliest[/tex]

387.4 rounded to the nearest tenth

Answers

Answer:

387.4 is the answer

Step-by-step explanation:

hope this helps=)

Answer:

387.4 rounded to the nearest tenth is 387 because if it's 4 and below you'll get the ones place the same. And if it's 5 and over, the ones place will go up...

A diagram of a swimming pool is shown.
3.5 m
What is the approximate circumference of the swimming pool? Use 3.14 as an estimate for t.

Answers

Answer:

10.99

Step-by-step explanation:

Your pretty much just multiplying the number by 3.14, so 3.5*3.14=10.99. Hope this helps!

Answer:

Answer B 11m

Step-by-step explanation:

4x – y = 7 3y – 12x = –21

Answers

Answer:

y=4x-7   3(4x-7)-21x=-21     12x-21-12x=-21 -21=-21

Step-by-step explanation:

Step: Solve
4
x
−
y
=
7
for y:
4
x
−
y
=
7
4
x
−
y
+
−
4
x
=
7
+
−
4
x
(Add -4x to both sides)
−
y
=
−
4
x
+
7
−
y
−
1
=
−
4
x
+
7
−
1
(Divide both sides by -1)
y
=
4
x
−
7

Step: Substitute
4
x
−
7
for
y
in
−
12
x
+
3
y
=
−
21
:
−
12
x
+
3
y
=
−
21
−
12
x
+
3
(
4
x
−
7
)
=
−
21
−
21
=
−
21
(Simplify both sides of the equation)
−
21
+
21
=
−
21
+
21
(Add 21 to both sides)
0
=
0

Find the percent of increase to the nearest whole percent from 12 to 20? Please help

Answers

Amount of increase = 20-12 = 8
Percentage increase = 8/12 = 0.666... 66.666...% ≈ 67%

Ordena de menor a mayor 13 5 10 10 4 6 5 59 29 50 24​

Answers

Answer:24

Step-by-step explanation:

lol

Pass a brotha some help :(

Answers

Answer and Step-by-step explanation:

Distribute the 1p to the y and -6 and distribute the 2 to the 3y and 6.

10y - 50 + 6y + 12

Now, combine like terms.

16y - 38

#teamtrees #PAW (Plant and Water)

pls help me it’s due today

Answers

Answer:

2. Obtuse

3. Right

Step-by-step explanation:

Answer:

2 is obtuse 3 is right

Step-by-step explanation:

i've done this before

What is the value ( 1.6 x -0.25) x 4 to the second power

Answers

Answer:

2.56

Step-by-step explanation:

( 1.6 x -0.25) x 4= -1.6

(-1.6)^2 = 2.56

Johnny has a circular flower bed. Its radius is 4 feet. Johnny wants to build a fence around the flower bed. What is the total length of the fence?

Answers

Answer:

25.14 feet

Step-by-step explanation:

The length of the wire would be equal to the circumference of the circular flower bed

Formula for circumference of a circle: 2πr

= 2 x 22/7 x 4 = 25.14 feet

Answer:

25.12 ft.

Step-by-step explanation:

I took the quiz on nearpod.

Solve by Substitution:
3x-2y = 4
y = -2x + 5


YALL PLZ HELP ILL DO ANYTHING

Answers

Answer:x=2

Step-by-step explanation:

3x-2(-2x+5) = 4

3x + 4x - 10 = 4

7x-10 = 4

7x = 14

x = 2

y = -2(2) + 5

y = -4 + 5

y = 1

(x,y) = (2,1)

Please solve this!

20(b) < 80

Answers

Answer:

[tex]b<4[/tex]

Step-by-step explanation:

[tex]20b<80[/tex]

[tex]\frac{20b}{20}<\frac{80}{20}[/tex] (Divide both sides of the inequality by [tex]20[/tex] to get rid of [tex]b[/tex]'s coefficient)

[tex]b<4[/tex] (Simplify)

Hope this helps!

Write the quadratic equation in standard form:
x^2- 1 = -7x

Answers

Answer:

standard form: ax² + bx + c = 0

x² - 1 = -7x

x² + 7x - 1 = 0

PLS HELP ILL GIVE BRAINLIEST!!

Answers

Answer:

y = -7/2x - 7

Step-by-step explanation:

let me know if you need the steps . . .

I need help please it's just this last question i don't know of and it's about quadratics and parabolas in algebra. It's basically a crossword but the question says " a graph can have one, two or none of these" and the first letter starts with a S. i have 80 points i will give out 50 i hope that's a lot i don't know much about points in this. Thank you.

Answers

Answer:

is there an actual graph though that would really help

Step-by-step explanation:

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