100 students are interviewed to see which of biology, chemistry or physics they prefer. 29 of the students are girls. 9 of the girls like biology best. 20 of the boys prefer physics. 9 out of the 27 who prefer chemistry are girls. What percentage of the students prefer biology?

Help would be highly appreciated! <3

Answer:

B

Step-by-step explanation:

look at where the line reaches on the y-axis

Answer:

The choose C.3√34

Step-by-step explanation:

15²+9²=c²

225+81=c²

306=c²

C= 3√34

I hope I helped you^_^

Answer:

13

Step-by-step explanation:

They now have 31 computers after receiving 18 so we can subtract 18 from 31 to get 13.

31 - 18 = 13

Let numbers be x and 2x

ATQ

[tex]\\ \rm\longmapsto \dfrac{x+7}{2x+7}=\dfrac{3}{5}[/tex]

[tex]\\ \rm\longmapsto 5(x+7)=3(2x+7)[/tex]

[tex]\\ \rm\longmapsto 5x+35=6x+21[/tex]

[tex]\\ \rm\longmapsto 6x-5x=35-21[/tex]

[tex]\\ \rm\longmapsto x=14[/tex]

Answer:7/97 or 0.072165

Step-by-step explanation:

Answer:

your answer is 24 in

I hope it's helps you

The length of the diagonal is 24 inches

From the given diagram, the length of the diagonal is twice the length EA

Mathematically;

EH = 2EA

Given the parameter:

EA = 12in

EH = 2(12)

EH = 24 in

Hence the length of the diagonal is 24 inches

Laern more on rectangle here: https://brainly.com/question/24438517

Answer:

Step-by-step explanation:

Answer:

(a) Mixed fraction.

(b) 13.244

(c) [tex]13 \frac{1}{20} [/tex]

(d) [tex]12 \frac{13}{55} [/tex]

Sorry that I can't add step-by-step explanation. I don't have enough time.

Answer:

Step-by-step explanation:

The standard form of this exponential function is

[tex]y=a(b)^x[/tex] where a is the initial value and b is the growth rate. Our initial value is 490 and our growth rate is .2 so the equation is

[tex]y=490(.2)^x[/tex]

Answer:50 degree

Step-by-step explanation:

It is an isosceles triangle so two sides and angles are equal. The first line is facing the first angle so the second angle ( m<DEF) = 65 degrees because both angles are equal.

This implies that m<FED =

65 + 65+ <FED= 180( sum of angle in a triangle)

130 + <FED=180

<FED= 180- 130

<FED= 50 degree

Answer:

m = (3/4) n

Step-by-step explanation:

4m + 2n = 5n

The subtraction property of equality states that we can subtract 2n from both sides to isolate the m and its coefficient to get

4m = 3n

The division property of equality states that we can divide 4 from both sides to isolate only the m (we divide by 4 because anything divided by itself equals 1) to get

m = (3/4) n

Answer:

[tex]40x = 60(x - 1) \\ \\ 2x = 3x - 3 \\ \\ x = 3 \\ \\ \\ 7 \times \frac{7x}{2} - 29x = - 9 \\ \\ 49x - 58x = - 18 \\ \\ - 9x = - 18 \\ \\ x = 2[/tex]

Answer:

Answer:

(2x-4) (x+5)=0

2x(x+5) -4(x+5)=0

2x^2+10x-4x-20=0

2x^2+6x-20=0

x^2+3x-10=0 ( Taking common of 2 )

x^2+(5-2)x-10=0 • (3=(5-2)x)

x^2+5x-2x-10=0

x(x+5)-2(x-5) =0 • Taking common

(x+5)(x-2) =0

so x=-5 or x=2.

The solutions to the equation (2x — 4)(x + 5) = 0 will be negative 5 and 2. Then the correct options are D and E.

The distribution of weights to the variables involved that establishes the equilibrium in the calculation is referred to as a result.

The equation is given below.

(2x - 4)(x + 5) = 0

The factors (2x - 4) and (x + 5) will be zero. Then we have

2x - 4 = 0

2x = 4

x = 4/2

x = 2

Then the other solution to the equation will be

x + 5 = 0

x = -5

The solutions to the equation (2x — 4)(x + 5) = 0 will be negative 5 and 2. Then the correct options are D and E.

More about the solution of the equation link is given below.

https://brainly.com/question/545403

#SPJ5

Answer:

25°

Step-by-step explanation:

20°--5°=

20°+5°=

25°

Answer: fell 25 degrees

Step-by-step explanation: 20-25= -5

//Give thanks(and or Brainliest) if helpful (≧▽≦)//

Answer:

5/12

Step-by-step explanation:

1x5/2x6

Answer:

Step-by-step explanation:

natural numbers start from one but it says greater than 70 so it will start from 71 but to any number as long as it is greater than 70

Answer:

1,100

Step-by-step explanation:

200 + 200 + 200 + 200 + 100 + 200

Total amount after rounding off will be : 900

Rounding off a number to the nearest hundred means that you have to look or find the hundred which is closest to the given number and then write that as   the rounded-off number .

Rounding off each number in the table to the nearest hundred :

1) 223  ( since , we have 223 and 223 < 250 . Since, 223 is closest to 200 as compared to 300 , after rounding it off we will get 200 instead of choosing 300) = 200

2) 189 =200

3) 210 = 200

4) 164 = 200

5) 148 = 100

6) 206 = 200

Total amount after rounding of numbers will be = 200 + 200 + 200 + 100 + 200

                                                                = 900

Learn more about rounding of numbers:

https://brainly.com/question/13391706?referrer=searchResults

#SPJ2

Answer:

Other ingredients is 2

v =10 is the answer of 5th question (-40)/-4 = 10

Step-by-step explanation:

I. Find sum of flour and sugar

                 when c is cup, flour = 3/4 and sugar is 3/2

                 [tex]\frac{3}{4} +\frac{3}{2} = \frac{9}{4}[/tex]    or [tex]2\frac{1}{4}[/tex]

II. If total is [tex]4\frac{1}{4}[/tex]

                so [tex]4\frac{1}{4} - 2\frac{1}{4}[/tex] = 2

Hope that help :D

Answer:

Fifteen feet is the closest to the side length of the frame, have a good day

Answer:

b=6

Step-by-step explanation:

modul of the vector AB= sqrt((b-2)^2+(3-1)^2)= sqrt (b^2-4b+8). It is the length of the side AB

modul of the vector BC is equal to sqrt ((b-5)^2+(-2)^2)= sqrt (b^2-10b+29)

modul of the vector AC is sqrt ((5-2)^2+(5-1)^2)= 5

squared modul of AB + squared modul of BC = squared modul of the vector AC.

b^2-4b+8+b^2-10b+29=25

2b^2-14b+12=0

b^2-7b+6=0

b=1    b=6

b>5, s0 b=6

Answer:

my answer is Rs 57

remember it says remaining copies so u much find the 5% from the price of 900 copies

Answer:

41 cars and 86 trucks

Step-by-step explanation:

C+T=127

2C+4=T

C+(2C+4)=127

3C+4=127

3C=123

C=41When C=41,

41+T=127

T=127-41

T=86

Answer:

The lifeguard would get a 30 minute break.

Step-by-step explanation:

6 hours ÷ 2 hours = 3

3 x 10 = 30 minutes

Answer:

A radius is a line segment with one endpoint at the center of the circle and the ... is called the midpoint, and arc PQ ≅ arc PR if and only if PQ ≅ PR.

Step-by-step explanation:

brainliest please

Answer:

A radius is a line segment with

Answer:

- 5x^4, 20x^7, -80x^10, 320x^13, -1280x^16, 5120x^19, -20480x^22

Integer scale factor = x-4

Exponent scale factor = +3

Answer = -20,480x^22

Answer:

k=3/13

Step-by-step explanation:

Rearrange terms

Subtract

from both sides of the equation

Simplify

Subtract

from both sides of the equation

Simplify

Divide both sides of the equation by the same term

Simplify

Answer:

[tex]k=\frac{3}{13}[/tex]

Step-by-step explanation:

[tex]-6k+1=-2+7k[/tex]

Subtract 1 from both sides:-

[tex]-6k=7k-3[/tex]

Now, Subtract 7k from both sides:-

[tex]-6k-7k=7k-3-7k[/tex]

[tex]-13k=-3[/tex]

Divide both sides by -13:-

[tex]\frac{-13k}{-13}=\frac{-3}{-13}[/tex]

[tex]x=3/13[/tex]

OAmalOHopeO

Answer:

Sorry I don't really understand your question, but 28-19 is 9 therefore 9 is more than 0

9 >0