There are 16 girls and 18 boys in a class. The teacher chooses a student's name at random to answer a question.
What is the probability that the teacher chooses a girl to answer the question?
А: 1/34
B:1/16
C:8/17
D: 8/9

Answers

Answer 1

Answer:

I would go with c

Step-by-step explanation:

if it is incorrect sorry

Answer 2
I would A because if you do 16+18 that is 34 and the teacher would only be choosing one girl. So I think it is A. I’m sorry if this is wrong! Have a great day!

Related Questions

Which
graph could represent a car that begins by increasing its speed, then travels at a constant speed, and then
decreases its speed, as time increases?

Answers

Answer:

I believe the answer would be

Step-by-step explanation:

a graph that goes up and then is a straight line then it goes down.

In other words the graph would be A.

-w=-10+4w

Step by step to please

Answers

w=2

Step-by-step explanation:

-w=-10+4w

10=4w+w

10=5w

10/5=w

2=w

First subtract to get the numbers on one side and variables on the other. So we’re subtracting 4w from both sides.
-w = -10 + 4 w
-4w - 4w

Now you get after subtracting

-5w = -10

Divide both sides by -5 to cancel out the number in front of w

-5w = -10
___ ____
-5 -5


And then after diving you get

w =2

ILL GIVE U A BRAINLIEST! NEED HELP ON TIMER

Which point is located on the x-axis?

On a coordinate plane, point A is at (0, 3), point B is at (3, 3), point C is at (3, 0), and point D is at (negative 3, 3).

Answers

Answer:

0,3 hddjbdhfjdndjdkdbdjdnd

C. (3,0) its the only one on the X axis

Quartile represent what percent of data.

A. 35%
B. 50%
C.25%
D.30%

Answers

The answer is 25 percent.

if i bike travels 15m in 2 sec, what is its speen in km/h?

Answers

Answer:

x=27 km

Step-by-step explanation:

Make an equation 2/.015=3600/x

Multiply 3600 by .015 to get 54

Divide 54 by 2 to get 27.

9514 1404 393

Answer:

  27 km/h

Step-by-step explanation:

(15 m)/(2 s) = (15 m)/(2 s)×(1 km)/(1000 m)×(3600 s)/(1 h)

  = (15×1×3600)/(2×1000×1) km/h = 15×1.8 km/h = 27 km/h

An electrician collected $1265.23 for a job that included $840 labor, which was not taxed, and the rest for parts, which were taxed at 6%. Determine how much of the total was tax.

Answers

Answer:

Total tax = $25.51

Step-by-step explanation:

Total collection = $1265.23

Tax-Free amount =  $840

so

Taxable amount = $1265.23 -  $840

                            = $425.23

Given that the taxable amount was taxed at 6%

Thus,

The total tax = 6% of 425.23

                     = 6/100 × 425.23

                     = 0.06 × 425.23

                      = $25.51

Therefore,

Total tax = $25.51

Solve 5(2x – 3) = x – 15 + 9x for x.

Answers

Answer:

Given

5(2x – 3) = x – 15 + 9x

Solving for x

5(2x – 3) = x – 15 + 9x10x - 15 = 10x - 15

Both sides are equal, any value of x is a solution, so infinitely many solutions

Step-by-step explanation:

[tex]5(2x - 3) = x - 15 + 9x \\ 10x - 15 = 10 x - 15[/tex]

Both the sides are equal

Hence no specific value of x

Therefore, x has infinite value.

If adora watched a video that's 21:58 minutes long what time will she have to start watching to finish exactly at 11:59pm

Answers

Answer:

11:37.02 pm

Step-by-step explanation:

11:59 pm - 21:58 minutes = 11:37.02 pm

Point P is located at (4,8) on a coordinate plane. Point P will be reflected over the x - axis. What will be the coordinates of the image point of point P?

A. (8, 4)
B. (-4, -8)
C. (4, -8
D (-8, 4)

Answers

Answer:

C. (4, -8)

Step-by-step explanation:

To reflect a point over a straight horizontal line, start from the original point and count how many units it takes to reach that line (going vertically). Keep that number in mind. Then, at that same point on the line, go vertically again and count that many units going away from the line. The point where you stop would be the reflected point.

In this case, starting from (4, 8) and then going down towards the x-axis would take 8 units. Taking that number and counting another 8 units down would land you at (4, -8). Therefore, (4, -8) is the answer.

Please look at the attached image for a clear visual explanation.

Evaluate the expression for the given value of x.
6.5x - 3.5 for x = 9
The solution is...

Answers

Answer:

55

Step-by-step explanation:

6.5x - 3.5 [x = 9]

6.5(9) - 3.5

58.5 - 3.5 = 55

pls help asap no trolls!

Answers

Answer:

HI

Step-by-step explanation:

In a triangle, the length size of each side corresponds to the size of the degree of the angle opposite it.

This means, the biggest angle would be opposite the side with the longest length, while the angle with the least degree will be opposite the side that is the smallest.

In ∆HIJ, the least angle measure is <J (54°).

Side length opposite to <J is HI.

Therefore the smallest side of ∆HIJ is HI

Cassandra paid $32 for a shirt that originally cost $50. What percent of the original price did the shirt cost?

Answers

Answer:

22%

Step-by-step explanation:

You just subtract the numbers

Answer:

64%

Step-by-step explanation:

To find a percent, you have to divide the new cost by the original cost, then multiply the answer by 100.

(32/50)*100

= 0.64 * 100

= 64%

geometry help please!

Answers

Answer:

x+16=4x-5

16+5=3x

21=3x

21/3=x

x=7

I am extremely confused. Any help?​

Answers

Answer:

(x-4)(5x³+18x²+54x+215)+860

Step-by-step explanation:

This follows that when the fourth degree polynomial is divided by the monomial(x-4),it gives a third degree polynomial and some remainder r

That is:

5x⁴-2x³-18x²-x/x-4=(ax³+bx²+cx+d)+r

if so,then

5x⁴-2x³-18x²-x=(x-4)(ax³+bx²+cx+d)+r

5x⁴-2x³-18x²-x=ax⁴+bx³+cx²+dx-4ax³-4bx²-4cx-4d+r

5x⁴-2x³-18x²-x=ax⁴+x³(b-4a)+x²(c-4b)+x(d-4c)-4d+r

We can now equate the similar terms thus,the terms with the same power of x on both sides

5x⁴=ax⁴,a=5

Again,

b-4a=-2,but a=5

b-4(5)=-2

b-20=-2

b=18

Again,

c-4b=-18(but b=18)

c-4(18)=-18

c-72=-18

c=54

Again,

d-4c=-1(but c=54)

d-4(54)=-1

d-216=-1

d=215

Finally,

-4d+r=0(but d=215)

-4(215)+r=0

r-860=0

r=860

This means that when 5x⁴-2x³-18x²-x is divided by x-4,it gives5x³+18x²+54x+215 with a remainder of 860

Now rewriting it in the form as required by the question=(x-4)(5x³+18x²+54x+215)+860

can some one plz help me with this sienice qustion (will give brainlest)

Answers

Answer:

A

Step-by-step explanation:

the person above is correct! :)

What is 6,618 feet in yards

Answers

Answer:

2,206 yards

Step-by-step explanation:

To find how many yards there are, we can divide by 3.

6618 / 3 = 2206

Best of Luck!

Answer:

6,618 feet is 2,206 yards.

Step-by-step explanation:

Please help, worth 20+ points! Please, help give answers!

Answers

Answer:

1. 0.34

2. 0.46

3. 0.75

4. 0.3 with a bar over 3

5. 0.63 with a bar over 63

6. 0.259 with a bar over 259

7. 0.1875

8. 0.35

what unit would you use to measure the area of a checkerboard

Answers

Answer:

I'd assume inches, hope this helps!

What is 3/8 as a decimal representation and as a percent representation

Answers

Answer:

0.375 and 37.5%

Step-by-step explanation:

3/8 = 0.375

0.375*100=37.5%

solve by substitution 3x +y=13 and 5x-2y=7​

Answers

Answer:

x=3

y=4

Step-by-step explanation:

I'm using 3x+y=13 to find y, then plug y into the second equation.

y= -3x+13

5x-2(-3x+13)=7

find x.

5x+6x-26=7

11x=33

x=3

now plug x into 3x+y=13(you could do it with the other equation too)

3(3)+y=13

y=13-9

y=4

The value of x and y is 3, and 4 respectively by the substitution method.

What is a linear equation?

It is defined as the relation between two variables, if we plot the graph of the linear equation we will get a straight line.

If in the linear equation, one variable is present, then the equation is known as the linear equation in one variable.

We have a system of equations;

3x +y=13 ...(1)

5x-2y=7​ ...(2)

By using the substitution method.

[tex]\rm 5\cdot \dfrac{13-y}{3}-2y=7[/tex]

y = 4

Plug y = 4 in equation (1)

3x + 4 = 13

x = 3

Thus, the value of x and y is 3, and 4 respectively by the substitution method.

Learn more about the linear equation here:

brainly.com/question/11897796

#SPJ2

I need help plz! ;((

Answers

Answer:

I think option B is correct

the answer should be B

Select the correct equations.
Identify all of the linear functions.
2x + 5y = 13
-x2 = 3y + 10
3(2x + y) = 14
y = 13- 2x2
2 = y + x5
y = x + 7

Answers

Answer:

A linear equation is of the form:

y = a*x + b

Where a and b are real numbers, and we only have one term with x, and no powers of x larger than 1.

Let's rearrange all the given options to see if they take this form. I will isolate x for all of them.

a) 2x + 5y = 13

5y = -2*x + 13

y = (-2/5)*x + 13/5

(this is a linear equation)

b) -x^2 = 3y + 10

 -3*y = x^2 + 10

y = (-1/3)*x^2 + 10/3

(this is not a linear equation)

c) 3(2x + y) = 14

 6x + 3y = 14

 3y = 14 - 6x

y = (-6/3)*x + 14/3

(this is a linear equation)

d) y = 13 - 2*x^2

(this is not a linear equation, we have a x^2 there)

e) 2 = y + x^5

-y = x^5 - 2

(this is not a linear equation, we have a x^5 there)

f) y = x + 7

we can rewrite this as:

y = 1*x + 7

(this is a linear equation)

Answer:

i just wanted to say, that I took the test and A and F are correct, but C (the person above me says C is correct) is not correct

Step-by-step explanation:

whats 2 1/2 X 1 1/2 someone pls help

Answers

Answer:

15/4

Step-by-step explanation:

2 1/2 x 1 1/2

First, make them both improper fractions to make them easier to multiply

5/2 x 3/2

Multiply their numerators together to get the numerator and multiply their denominators together to get the denominator.

5 x 3 = 15

2 x 2 = 4

5/2 x 3/2 = 15/4

Allison sent and received 240 text messages last month. 20% of those messages were sent to her best friend. How many text messages did Allison send to her best friend last month?

Answers

Answer:

48

Step-by-step explanation:

because 20% of 240 is 48.

PLS be quick and answer as best as you can

The following equation was written on the chalkboard: Δ + Δ + ◊ + Ꙫ ─ Δ = Ω. If Δ = 4, Ꙫ = 3 and Ω = 12, what is the value of ◊?

Answers

Answer:

4+4+x+3-4=12

8+x-1=12

7+x=12

x=12-7

=5

answer is 5

lest common multiple of 60 and 90

Answers

Answer:

180

Step-by-step explanation:

Part C
Write a question or define an attribute of the data that you couldn't answer or see with the original histogram, but can
now answer or see with the new histogram.

Answers

Answer:

This is the sample answer:

The new histogram shows that 7 trucks have a fuel efficiency of 10 to 14 miles per gallon. It’s also possible to see that the shape of the data is skewed right.

Step-by-step explanation:

Solve the following system of equations. 4y+3z=-7
12x-3y+z=-7
-6x+2y-2z=12

Answers

Step-by-step explanation:

12x-3y+z=-7 ‖-12x+3y

z=-7-12x+3y

so you can replace z with (-7-12x+3y)

4y+3*(-7-12x+3y)=-7

4y+(-21-36x+9y)=-7

13y-21-36x=-7 ‖+21

13y-36x=14 ‖-13y

-36x=14-13y ‖*(-1)

36x=-14+13y ‖/3

12x=-14/3+13/3y

so-6x=+14/6-13/6y

(+14/6-13/6y)+2y-2*(-7-(-14/3+13/3y)+3y)=12

(+14/6-13/6y)+2y+14-28/3+26/3y-6y=12

(+14/6-13/6y)+2y+14-56/6+52/6y-6y=12

7+2.5y=12 ‖-7

2.5y=5 ‖/2.5

y=2

so

4y+3z=-7

4*2+3z=-7

8+3z=-7 ‖-8

3z=-15 ‖/3

z=-5

12x-3*2+(-5)=-7

12x-6-5=-7

12x-11=-7 ‖+11

12x=4 ‖/12

x=1/3

What does the word slope mean?

Answers

slope is like rise/run
slope is what you use when you need to find the steepness of a line on a graph. You find slope by doing y=mx+b

After falling 23 degrees f, the temperature is now 51 degrees f. What was the starting temperature?

Answers

Answer:

74

Step-by-step explanation:

its easy so you add 23 and 51 and you got the answer.

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