Mathematics High School

Ms. Stephanie bought a package of pens. Out of every 10 pens, 1 are black. If there are 30 pens in
the pack, what fraction of the pens in the pack are black? What percent of the pens in the pack are
black?
What fraction of the pens in the pack is black?

Answers

Answer 1

Answer:

1/10. 10% Since there are 30 pens, there are 3 black ones.

Answer 2

Answer:

The fraction of the black pens in the pack is [tex]\frac{3}{30}[/tex]

The percent of the black pens in the pack is 10%

Step-by-step explanation:

If 1/10 pens are black, we can use this same proportion to find how many black pens will be in the pack of 30.

Using this, there will be 3/30 pens that will be black, since 3/30 is equivalent to 1/10 when reduced.

So, the fraction of the black pens in the pack is [tex]\frac{3}{30}[/tex]

To find the percent, divide 3 by 30:

3/30

= 0.1 (10 percent)

So, the percent of the black pens in the pack is 10%

Related Questions

Which ordered pair is a solution of the equation 3x − y = −10?
A. (3, 19)
B. (−10, −19)
C. (−10, −21)
D. (−3, −2)

Answers

Answer:

c

Step-by-step explanation:

AYUDAAAA AYUDAAAA NO ME ACUERDOOOOO AYUDAAA
2+5(520)÷8

Answers

anade 2 mas 5 multiplicow por 520 dividido por 8

Answer:

327

Step-by-step explanation:

2+5x520 divide by 8

2+325=327

Pls give brianly if its correct?

HURYY THIS IS WORTH ALOT I’ll make brainlist

Answers

Answer:

B.4

Step-by-step explanation:

NASAGUTAN KO YAN TAMA AKO

The answer is number 2

what is the opposite of -2​

Answers

Answer:

2

Step-by-step explanation:

opposite of -2 is 2 because it is like 2 is opposite of -2

Answer:

2.

Step-by-step explanation:

The opposite of a number is the number which when added to it gives a result of zero.

-2 + 2 = 0 so the required  number is  2.

Solve this equation:
7x - [5 + (3x - 2)] = x - (4x - 5) + (2x - 1)

Answers

Answer:

x = 7/5

I hope this helps

Step-by-step explanation:

7x - [5 + (3x - 2)] = x - (4x - 5) + (2x - 1)

7x - 5 -3x +2 = x -4x +5 +2x -1

4x -3 = -x +4

4x +x = 4+3

5x = 7

x = 7/5

Which is the simplified form of the expression 6y – 4 + 3y?

Answers

Hello!    

3y^1-1

3y^0

3*1

3

y=3

Use the equation w=9b to find the value of w when b=6.

Answers

9 x 6 = 54 so w= 54 .............

Caroline is going to invest $5,500 and leave it in an account for 10 years. Assuming
the interest is compounded continuously, what interest rate, to the nearest tenth of a
percent, would be required in order for Caroline to end up with $10,100?

Answers

Answer:

6.1

Step-by-step explanation:

I just know

WHAT DIVIDED BY 9 = -5

Answers

Answer:

−1.8

Step-by-step explanation:

please help on this i cant understand it

Answers

Answer:

to get the probability you add the number of figure all together

divide the number of spheres with the total

ie

2 ÷ 10

you get 1÷ 5

you get the answer as 0.2

When tossing three coins, what is the probability of tossing exactly two tails?

Answers

Answer:

1/3?

Step-by-step explanation:

Answer:OK SO Since the outcome of a coin toss is equiprobable, the probability of getting exactly two tails out of three is equal to the number of ways to get two tails out of three - aka - divided by the total number of possible coin flip outcomes - aka . Ergo, 3/8 is the probability.

hope this helps have a nice day❤️

Step-by-step explanation:

Right triangles trigonometry

Answers

Step-by-step explanation:

1.

sin63=x/16

16sin63=14.3

x=14.3

i need to find the area but i don’t know the steps

Answers

I’m not sure but I think it is 24

Answer:

48in2

Step-by-step explanation:

1/2 × (11.9+4.1) ×6= 48in2

Can someone help me????

Answers

is there anything more to it?

Write an inequality to express the fact that a checking account balance of $56 is less than a balance of $21. What is the difference in the balances?​

Answers

Answer:

120

Step-by-step explanation:

I NEED UR HELP ASAP!! PLEASE

Answers

Answer:

4 inches

Step-by-step explanation:

To solve this, use the Pythagorean Theorem: a² + b² = c². You insert the measurements you have: 3² + b² = 5² or 9 + b² = 25. To solve this, subtract 9 from both sides: b² = 16. To solve for b (length) specifically, find the square root of 16: 4.

Hope it helps!

Please solve quickly! Qestion: c - 1.5 = 7

Answers

Answer:

8.5

Step-by-step explanation:

c = 8.5

hope this helps

Answer:8.5

Step-by-step explanation:

Add 7 and 1.5

What is the probability of rolling an even number on a number cube and flipping a head with a fair coin?

Answers

1
:
1
.
Explanation:
Probability =
number of desirable outcomes
total number of possible outcomes
On a die, (number cube), there are 6 numbers, 3 of them are even
,
the probability of throwing an even number:
3
6
=
1
2
Odds =
number of desirable outcomes
number of non-desirable outcomes
, often written as
a
:
b
instead of
a
b
.
So the odds of rolling an even number are
3
:
(
6
−
3
)
=
1
:
1
.
aka 50%

if f(x)=10(2) then which of the following represents the value of f (0)

Answers

Answer:

< x < 10

Step-by-step explanation:

that answer would be

Which of the following number sentences show the correct method to find 43% of 59 Select TWO that apply.

A)43 x 59

B)43/100 x 59

C)0.43 x 59

D)0.43 x 0.59

Answers

Answer:

a and b

Step-by-step explanation:

Find the quotient of 1 1/4 and 3 1/2 express your answer in simplest form

Answers

Answer:

11/14

Step-by-step explanation:

11/4 / 3 1/2

3 1/2= 3*2+1= 6+1=7/2

11/4 * 2/7= 22/28

22/2=11

28/2= 14

11/14

11/14 is the answer! (Quotient in simplest form)

In parallelogram FGHJ

Answers

120° + x = 180°
x = 60°

what ratio is equivalent to 6 out of 15

Answers

Answer:

40%

Step-by-step explanation:

Answer:

2:5

Step-by-step explanation:

6/15 divided by 3/3 = 2/5

2/5 is the most simplified it can get

2:5

I Need help now!!!!

Answers

Answer:

The answer is B.x2/4y3n hope it helps

Given that f(x) = 2x − 5, find the value of x that makes f(x) = 15.
Group of answer choices

20

25

5

10
Plzz help asap!!!

Answers

Answer:

25

Step-by-step explanation:

so you replace all the x's with 15 and it becomes

2×15-5

2×15=30

30-5=25

Determine whether the event is impossible, unlikely, as likely as not, likely
or certain. You flip a fair coin and the coin will land heads up.

Answers

as likely as not.
EXPLANATION: a coin has 2 sides. (usually heads and tails)
50% chance it is heads
50% chance it is tails
50=50.
So it is just as likely to happen as it is likely to not.

what is 5.2x10^2 in standard form

Answers

I think if your trying to answer it its
5.2 x 10^2 = 520

Explanation
5.2 x 10^2
= 5.2 x 100
= 520
If your trying to write it in standard form then um.

Laila took a very long Math exam and got 24 questions wrong out of 120 questions. What percentage of the total questions did she get correct?

Answers

Answer:

Laila got 96 out of 120 questions wrong. Laila got 80% on the exam.  20% is the rate of the 24 questions you missed.

Step-by-step explanation:

Hope this helps u

What type of function has the possibility of two x-intercepts?
I. Linear
II. Quadratic
III. Absolute Value

Answers

Answer:-
I think it’s Quadratic, since as in a quadratic equation:
ax^2 + bx + c = 0

A quadratic function has the possibility of two x-intercepts.

What is a quadratic function?

A quadratic function is one of the form f(x) = ax² + bx + c, where a, b, and c are numbers with a not equal to zero.

Given that a function having two x-intercepts

The graph of a quadratic function will always have one y-intercept and can have as many as two x-intercept.

Hence, a quadratic function has the possibility of two x-intercepts.

For more references on a quadratic function, click;

https://brainly.com/question/27958964

#SPJ6

CLICK ON THIS, 30 POINTS+BRAINLIEST
3RD TIME IM POSTING THIS! PLEASE HELP, THIS TIME BRAINLIEST AND 30 POINT!!!!!!!!
WHO WOULDN'T WANT THAT BY JUST ANSWERING 2 QUESTIONS!!!!!!!!

Answers

Answer:

30%

Step-by-step explanation:

5%

1st

Decreased by 20%

2nd

Increased by 10%

(Excuse me if im wrong, I did this in a rush)

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