Mathematics High School

can you solve this problem

Answers

Answer 1

Answer:

78 people were originally on the boat

Step-by-step explanation:

Answer 2

Answer:

78 people started on the boat

Step-by-step explanation:

Related Questions

You reverse the inequality symbol when you multiply or divide both sides of an inequality by the same negative number.

True or false?

Answers

Answer: True

Step-by-step explanation:

The statement is true, because when we multiply or divide both sides of an inequality by the same negative number we reverse the inequality symbol.

What is Inequality?

A relation by which we can compare two or more mathematical expression is called an inequality.

Let an example of the inequality as;

⇒ 2x < 3

Multiply by - 1, we get;

⇒ - 2x > - 3

Thus, When we multiply or divide both sides of an inequality by the same negative number we reverse the inequality symbol.

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how many hundredths are in 11 wholes?

how many hundredths are in 3 tenths?

how many hundredths are in 11.3?

pls help!!!

Answers

Answer:

1) 11/100 or 0.11

2) 3/1000 or 0.003

3) 113/1000 0.113

Step-by-step explanation:

Firstly, hundredths is the same as 1/100.

Multiply every number by 1/100.

11/1 • 1/100 = 11/100 or 0.11

(Remember, 11 over 1 is the same as 1. Multiply the numerators and denominators and you get 11/100).

3/10 • 1/100 = 3/1000 or 0.003

11.3/1 • 1/100 = 113/1000 or 0.113

(Move the decimal once to the right to get rid of the decimal point).

Hope this helps!

7)
Lenny accidentally drops his matchbox car into a graduated cylinder. The car has a mass of 10 grams and the water level in the cylinder rises from 41 ml to 46 ml. Determine the density of the matchbox car. The formula for density is D =
m
v
.
A) 0.5 g/ml
B) 2 g/ml
C) 15 g/ml
D) 50 g/ml

Answers

Answer:

Step-by-step explanation:

2x – 3y = 9
Solve for Y

Answers

Answer:

Move all terms that don't contain

to the right side and solve.

y=−3+2x3

Step-by-step explanation:

Fill in the missing terms.

a) 1 : 2 = ___ : 4 b) 1 : ___ = 3 : 6 c) 3 : 5 = ___ : 10

d) 1 : 5 = 3 : ___ e) ___ : 6 = 1 : 3 f) 9 : 15 = ___ : 5

Answers

a) 2

b) 2

c) 6

d) 15

e) 2

f) 3

Write the equation of a line through the point (7,-10) and
perpendicular to 5y + 3x = 15.

Answers

Step-by-step explanation:

In order to find the equation I used the following formula:

y - y1 = m ( x - x1)

P.s y1 & x1 are the coordinates of the given point

If you have any questions about the way I solved it, don't hesitate to ask me in the comments below :)

A plant is already 53 centimeters tall, and it will grow 1 cm every month.

Let H be the plants height (in centimeters) after M months.

Write an equation relating H to M. Then use this equation to find the plant height after 26 months.

Answers

Equation: h = 53 + 1m

Solving for m = 26: h = 79

The plant will be 79cm tall after 26 months

The height of the plant, H, is related to the number of months, M, by the equation H = M + 53. The plant will be 79 centimeters tall after 26 months.

What is the equation?

The equation is defined as mathematical statements that have a minimum of two terms containing variables or numbers that are equal.

The height of the plant, H, is related to the number of months, M, by the equation H = M + 53.

This equation represents the plant's initial height of 53 centimeters plus the additional height it will grow each month.

To find the plant's height after 26 months, we can substitute M = 26 into the equation:

H = M + 53

H = 26 + 53

H = 79 cm

So, the plant will be 79 centimeters tall after 26 months.

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Answer:

slope is -2/5

Step-by-step explanation:

use y2–y1/x2–x1

Answer:

-2/5

Step-by-step explanation:

formula: y2-y1/x2-x1=

7-5/-2-3= -2/5

4. Find the value of x. (x + 23) (x + 13)

Answers

Answer:

x = 27°

Step-by-step explanation:

Hi there !

x + 13 + x + 23 = 90

2x = 90 - (13+23)

2x = 90 - 36

2x = 54

x = 54 : 2

x = 27°

Good luck !

Which expression can be used to convert 100 USD to Japanese yen?

Answers

1 USD = 113.83 Japanese Yen

100 USD = 100 x 113.83 Japanese Yen

100 USD = 11,383.00 Japanese Yen

Plz help! Are they right? The questions are below!

Answers

Answers

Answer:

Step-by-step explanation:

Mean simply means the average. To calculate the average of all these numbers, add them all up together and divide that number by how many numbers you added.

A simple equation you can use is:

[tex]\frac{the sum of the terms}{the number of terms}[/tex]

To calculate the mean of the set : 0,100,100,100,100

= 0 + 100 + 100 + 100 + 100

= 400 / 5

= 80

The mean of the set is 80.

Lines s, t, and u are perpendicular bisectors of the sides of APGH and meet at J. If JG - 2x+ 2, JH - 2y-4, JF-8 and

HI - 32-3, find x, y, and z.

Ox= 5, y = 2, z = 2

O x = 2, y = 7,2 = 2

x = 3, y = 6,2 = 4

x = 6.) = 3,2 = 4

Answers

Answer:

x = 3, y = 6, z = 4

Step-by-step explanation:

If lines s, t, and u are perpendicular bisectors of the sides of APGH and meet at J, then JG = JH = JF = HI

Given

JG - 2x+ 2

JH - 2y-4

JF-8 a

HI - 3z-3,

Hence 2x+2 = 2y-4 = 3z-3 = 8

This means that

2x+2 = 8

2x = 8-2

2x = 6

x = 3

Also, 2y-4 = 8

2y = 8+4

2y = 12

y = 6

And 3z-3 = 8

3z = 8+3

3z = 11

z = 11/3

z = 3.67 ≈ 4

Hence x = 3, y = 6,z = 4

Select all of the following transformations that would map ΔCDE to ΔTSR. a reflection over the y-axis a reflection over the line x=5.5 a translation of (x, y)→(x+6, y) a rotation of 90° counterclockwise about the point (5.5, 0) a reflection over the line x=4, and a translation of (x, y)→(x+3, y)

Answers

Answer:

3445

Step-by-step explanation:

because og 56

Question 3 What is the slope of the line that passes through the points (0.-7) and (-4, 3)? 0 -3/11 O -2/5 À O -5/2 0 10/4 Question 4

Answers

Answer:

Gradient = Change in y / Change in x

Gradient = (-7-3) / (0-4)

Gradient = -10/-4

Gradient = 2.5

So the answer is 10/4, which is 2.5

The slope of the line passes through the points (0.-7) and (-4, 3) is -5/2. The correct option is B.

What is a slope?

Slope or the gradient is the number or the ratio which determines the direction or the steepness of the line. The slope is defined as the ratio of the rise to the run.

Given that the points are (0.-7) and (-4, 3). the slope of the line will be calculated as,

Slope = ( y₂ - y₁ ) / ( x₂ - x₁ )

Slope = ( 3 - (-7) / ( -4 - 0 )

Slope = 10 / -4

Slope = -5 / 2

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Which equation in standard form represents the linear relationship shown in the graph?

Answers

Answer:

it's c

Step-by-step explanation:

Answer:it’s D trust me

Step-by-step explanation:

Which expression is equivalent to x^2+ 5x – 24?

Answers

Answer:

(x+8)*(x-3)

Step-by-step explanation:

What type of radiation is the same size as an electron?

Answers

Answer:

Beta radiation

Find the percent increase or decrease from Monday to Tuesday.
Miles Jan walked Monday: 12
Miles Jan walked Tuesday: 3

Answers

Answer:

the answer is -75% that mean 75% decrease

whats the answer to number 5 please and thank you? please write down the steps too

Answers

Answer:

77 degrees.

Step-by-step explanation:

All triangles equal up to a measure of 180 degrees.

If one side is 26 degrees, and the other sides are congruent, meaning the same, then:

1. 180-26 = 154

2. 154/2 = 77

The measures of the other sides are 77 degrees.

Translations can be written using ordered pair notation

True or false

Answers

Answer:

true

Step-by-step explanation:

Answer:

true

Step-by-step explanation:

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