There are 1580 adults and children on a ship. 60% of them are adults. When the ship arrives are harbour, some of the students alight and the percentage of adults remaining on the ship decreases by 20%. What is the ratio of the children to adults remaining on the ship?

Answers

Answer 1

Answer:

379 : 62

Step-by-step explanation:

Let’s gather the info from the problem.

1580 adults and children on a ship.

60% of them are adults.

percentage of adults and students remaining on the ship decreases by 20%

60% of 1580 is 948 so there are 948 adults onboard

leaving the remaining children which is 632

948 Adults

632 Children

Adults decreases by 20% so 758 adults

Children decreases by 20% so 124 children

the ratio is 758:124 simplified would be 379 : 62


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Answer:

ggggggggggggggggggggggggggggggg

Use the slope formula and state what is the slope of a line with the following two points: (-2, 7) and (8, -9)?

Answers

Answer:

m = -8/5

Step-by-step explanation:

[tex]m=\frac{-9-7}{8-(-2)} =\frac{-16}{10} =-\frac{8}{5}[/tex]

Hope this helps

10. Andrew Galen had a checking balance of $1.39 Monday morning. His net wages
of $512.89 were transferred by direct deposit at 11:00 a.m. to his checking
account. Later that evening, Andrew made online payments of $3.24, $18.30,
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Answers

$28.38

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Can someone please help me

Answers

Answer:

D. Step 3 and Step 4

Step-by-step explanation:

I tried to put in some numbers for x and I'm pretty sure that you can subtract stuff from both sides but you can't divide. I'm 70% sure, so tell me if something's wrong :)

Can someone please help with question 7

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Answer:

EEEEZZZZZ     6.708203933

Step-by-step explanation:

Answer:

6√2

12

Step-by-step explanation:

Is this the right answer?

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Answer:

yes great job!

Step-by-step explanation:

#1 Twenty five members of a travel club are planning their next club trip. Each member
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winner the same as the majority winner?

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Answer: France

Step-by-step explanation:

Which number sentence is true?

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Answer:

B

Step-by-step explanation:

Edge 2021.

D! -3 1/8 is greater than -81/6= -13.5

n a school of 600, a survey was conducted with 10% of the population. The survey was conducted to narrow the choices for the new mascot. What was the frequency of Bears, if the following was the result of the survey?

Bears=22

Panthers=15

Beavers=2

Jaguars=21

Answers

Answer:

37%

Step-by-step explanation:

10% of 600 students is 60 students surveyed and 22 people chose bears. So to find the percent out of 60 just divide 22 by 60

22/60=.36666

move the decimal to get about 37%

hope this helps

write 0.0000006234 in scientific notation

Answers

Answer:

6.234 × 10-7

Step-by-step explanation:

Answer:

6.234 x 10^-7

Step-by-step explanation:

When writing the number in standard form you have to look at the decimal point. If you already have a decimal point (like the question) then look for the first non-zero digit (in terms of the question, its 6). You have to move the decimal point to right until its after the first non-zero digit. Count how many spaces you moved, in this case its 7. If you are moving to the left you have to put a negative sign when writing the power of 10.

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5p + 3 = 15

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Answers

Well a2bsi and that is perfect emails of the snake that the parthagreom Theron form the itian monarch

The given expression represents a number whose 5 times is 3 less than 15 which is 12/5.

Given that,
An expression is given we have to discuss what the expression 5p + 3 = 15 implies.

What is simplification?

The process in mathematics to operate and interpret the function to make the function or expression simple or more understandable is called simplifying and the process is called simplification.

here,
Given expression,
5p + 3 = 15
5p = 15 - 3
p = 12 / 5

Thus, the given expression represents a number whose 5 times is 3 less than 15 which is 12/5.

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Does anyone have the pages 8,9,10,12 in the Dimensions Math 7A Workbook?
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Answers

Answer:

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Step-by-step explanation:

1

Christopher recorded the low temperature each day for 1 week and recorded his results in this table.

Day Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Low −5°F ​−8​°F ​−6​°F ​−8​°F ​−3​°F 2° F 7° F
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Answers

ANSWER

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Answer:

67

Step-by-step explanation:

We plug the 7 for x and -4 for y.

The equation is 9x-y.

So it becomes; 9(7)-(-4)

This will simplify to; 63+4

Which is 67, your answer.

67 is the answer bro good luck

is the equation y=3x^3+5 a linear or nonlinear?

Answers

Answer:

It is not linear. It is cubic since the highest exponent is 3.

What are the slope and the y-intercept of the linear function that is represented by the graph?

Answers

Answer:

Slope = -3/4

Y-intercept = (0, 3)

Step-by-step explanation:

Rise/Run

-3 Rise and 4 Run

Meets y-axis at y=3. x=0, so (0, 3).

Answer:

y intercept is 3 and the slope is -3/4

Step-by-step explanation:

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30233088 in index form

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Answer:

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The figure shows three parallelograms: ABCD, A'BCD, and A"B"C"D".
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Polygon ABCD is ___
to create parallelogram A’’B'’C'’D".

A. reflected off y axis
B. rotated 90 degrees clockwise without origin
C. reflected across x- axis
D. rotated 270 degrees clockwise about the origin.

Answers

Answer:

First blank: B and C

Second blank: D and A

Step-by-step explanation:

Answer:
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-Polygon ABCD is
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What is the slope of the function?
m=

What is the y-intercept of the function?
b=

Which equation represents the graph of the function?

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Answer:

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Step-by-step explanation:

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A jar contains 6 red marbles numbered 1 to 6 and 10 blue marbles numbered 1 to 10. A marble is drawn at random from the jar. Find the probability of the given event.

Answers

Answer:

Step-by-step explanation:

a)

p

(

red marbles

)

=

6

6

+

8

p

(

red marble

)

=

3

7

b)

p

(

o

d

d

n

u

m

b

e

r

s

)

=

3

+

4

6

+

8

p

(

o

d

d

n

u

m

b

e

r

s

)

=

1

2

c)

p

(

red marbles or odd numbers

)

=

p

(

red marbles

)

+

p

(

odd numbers

)

p

(

red marbles and odd numbers

)

p

(

red marbles or odd numbers

)

=

6

14

+

7

14

3

14

p

(

red marbles or odd numbers

)

=

10

14

d)

p

(

Blue marbles or even number

)

=

p

(

Blue marbles

)

+

p

(

even numbers

)

p

(

blue marbles and even numbers

)

p

(

Blue marbles

)

=

8

14

p

(

even numbers

)

=

7

14

p

(

Blue marbles or even number

)

=

8

14

+

7

14

4

14

p

(

Blue marbles or even number

)

=

11

14

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What is Probability in Math? - Definition & Overview

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Chapter 24 / Lesson 7

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The formula of probability is possible choices over the total number of options. Discover the definition of probability and get an overview of its calculation and application in math.

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To show that triangle RPQ=triangle PSR by SSS, what must be the value of x?

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If RQ and SP are congruent, then 2x+3=4x-7.
3=2x-7
10=2x
x=5

Please Help Will mark brainliest

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the answer to your question is 0.83

20.
The population of France is 55 million, West Germany 61 million,
Japan 122 million, and the United States 240 million. Which country has the greatest number of nuclear power plants per capital?

Answers

Answer:

uuuh im pretty sure its France or Japan. just looks like they have the most compared to the others.

Step-by-step explanation:

Answer:

france

Step-by-step explanation:

55/55 france

61/23 germany

122/38 japan

240/106 u.s.

Given that the points (-32,-10) and (-74,11) lie on a line, what is the equation of the line

Answers

The equation of the line with the points (-21, -10) and (-74, 11) is

y = (-/12)x - 26.

What is an equation of a line?

The equation of a line is given by:

y = mx + c

where m is the slope of the line and c is the y-intercept.

Example:

The slope of the line y = 2x + 3 is 2.

The slope of a line that passes through (1, 2) and (2, 3) is 1.

We have,

(-32,-10) and (-74,11)

The equation of a line is given as,

y = mx + c

m = (11 + 10) / (-74 + 32)

m = 21 / -42

m = -1/2

Now,

(-32, -10) = (x, y)

-10 = (-1/2)(-32) + c

-10 = 16 + c

c = -10 - 16

c = -26

Now,

The equation of the line is y = (-/12)x - 26.

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Wayne took his family out to dinner. The cost of the food was $42.50. Wayne decided to give a 30% tip because of excellent service. The tax was 4% of the cost of the food. What was the total amount the meal cost him?​

Answers

Answer:

$56.29

Step-by-step explanation:

I need help with this and thought if any of you guys can help

Answers

Answer:

not enough info .

Step-by-step explanation:

sorry it needs more info

Aubree is throwing a pizza party. She has 3 pounds of cheese available and she
needs , pound of cheese to make each pizza. How many pizzas can she make?

Answers

Answer:

10 2/3

Step-by-step explanation:

16 x 2/3

32/3 or 10 2/3

Is 4 16/18 simplified and what is the simplified version

Answers

Answer:

no

4 16/18 = 88

88 simplified is 44/9 ?

It’s actually 3 1/9.


You turn it into a improper fraction then simplify it. 56/18 to 28/9.

Then turn it back into a mixed number:)
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