The 4th grade class experienced a 15% decrease in enrollment. Last year, the 4th grade class had 280 students. How many students are enrolled in the 4th grade class this year?

Answers

Answer 1
There are a lot of ways to solve this, but here is a simple one. 15% reduction gets you 85%, or 0.85 in decimal form. So you now know that this year’s 4th grade class is going to be 85% or 0.85 of what it was last year (280). Just multiply 280*0.85. 238 is your answer.
Answer 2

Answer: 238

Step-by-step explanation: 15% of 280 is 42 so subtract 42 from the number and it equals 238


Related Questions

can somebody help me please and thank you

Answers

1. 12/40 or 30% chance

2. 60

Explanation: 1. Not gonna lie i searched it up

2. x/200 times 12/40 = 2400/40

Please Help!
Using Heron’s formula, calculate the area of the parallelogram to the nearest tenth of a square unit.
Area ≈ ____ square units
Thank you!

Answers

Step-by-step explanation:

Hello! In order to get the best explication for your question, here's the link to a useful website:

https://geometryhelp.net/area-parallelogram-diagonals/

I believe, it's better for you to understand how to use the Heron's formula in other contexts so as to understand deeper into details how to apply it

Hope it helped!

Answer:36.7

Step-by-step explanation:

Please help with these questions

Answers

Answer:

...... ....... ........

What is 108 divided by 8

Answers

Answer:

13.5

Step-by-step explanation:

Mark me brainliest!

Or 13 with a remainder of 5

13R5

or

13 5/8

The quotient is 13 and the remainder is 4 for the given statement.

When we divide 108 by 8, we find:

108 ÷ 8 = 13 remainder 4

The quotient is 13 and the remainder is 4.

Therefore, 108 divided by 8 is equal to 13 with a remainder of 4.

Learn more about Mathematical operations here:

https://brainly.com/question/20628271

#SPJ6

56 times a number minus 13 is equal to 6 less than the number.

Step 2 of 2: Solve the equation for z. Express your answer as an integer, a reduced fraction, or a decimal number rounded to two places.

Answers

Answer:

Z = 19/56

OR Z = 0.34

Step-by-step explanation:

The steps in the photo above

I hope that is useful for you :)

Select the correct answer.
In a sequence described by a function, what does the notation f(3) = 1 mean?
OA.
The third term in the sequence has a value of 1.
OB.
The common difference I of the sequence is 3.
O C.
The first term in the sequence has a value of 3.
OD
The common ratio of the sequence is 3.

Answers

Answer:

c is correct

Step-by-step explanation:

Answer:

c is right answer

Step-by-step explanation:

HOPE IT HELPS U

FOLLOW MY ACCOUNT PLS PLS

Which table of values represents a linear function?
A,B,C,D

Answers

Answer:

c as they give the line of the graph

2(v + 1). Simplify the expression

Answers

Answer:

2v+2

Step-by-step explanation:

A sprinkler sprays in a circular pattern at a radius of 12 meters. If the degree of the circle that
is covered is 100°, what is the area of the lawn that is covered by the water from the
sprinker? (Round to the nearest hundredth of a meter)

Answers

Answer:

The area of the lawn that is covered by the water from the  sprinkler is

[tex]125.6[/tex] square meter

Step-by-step explanation:

Given

The radius of the circle is 12 m

Area of the circle is [tex]\pi r^2 = \pi * 12^2 = 144\pi[/tex]

For one complete circle,  the degree of rotation is 360 degrees.

Area of lawn covered by rotation of 100 degrees only is 100/360 = 5/18

The area of the lawn that is covered by the water from the  sprinkler is

[tex]\frac{5}{18} * 3.14*144 = 125.6[/tex] square meter

Would greatly appreciate the help

Answers

Answer:

Answer is E but not 100%

Step-by-step explanation:

Answer:

A is correct

E shows an error as the first two values are identical so one cannot be greater than the other.

Step-by-step explanation:

A shows 2.69 is equal to 2.696 which is more than 2.696 which is more than 2.696 which is more than 2.696

As when;

2.696 repeats in bold = 2.696969696  1st greatest

2.696 repeats in bold = 2.696696696 2nd in highest value so 2nd in order.

2.696 repeats in bold = 2.696666666 3rd in highest value so 3rd in order.

2.696 does not repeat = 2.696 so is the least greatest from the list.

Susan was carrying a pitcher that contained 2/3 of a gallon of lemonade to the table for lunch. She slipped and spilled 1/4 of the lemonade in the pitcher. What fraction of a gallon of lemonade did she spill?

Answers

Answer:

Susan spilled 1/6 of a gallon of lemonade.

Step-by-step explanation:

Since Susan was carrying a pitcher that contained 2/3 of a gallon of lemonade to the table for lunch, and she slipped and spilled 1/4 of the lemonade in the pitcher, to determine what fraction of a gallon of lemonade did she spill the following calculation must be performed:

2/3 = 0.6666

0.666666 x 1/4 = X

0.166666 = X

0.166666 = 1/6

Therefore, Susan spilled 1/6 of a gallon of lemonade.

Find the coefficient of x^2 in the expansion of (2x - 1)^5.

Answers

Answer:

So, the coefficient of the x^2 -term is 80

Step-by-step explanation:

so we need to simplify it:

#10(x^2)(2^3) = 10(x^2)(8) = 80x^2

Solve the inequality. -4x < 24

Answers

Answer:

x > -6

Step-by-step explanation:

1) Divide both sides by -4

      x > - [tex]\frac{24}{4}[/tex]

2) Simplify and solve to get answer.

 x > -6.

Helppppp pleSeeeeeeeee

Answers

Answer: C

Step-by-step explanation: Hope this help :D

Multiply 4x (x - 3)
I need help badly please

Answers

Answer:

[tex] {4x}^{2} - 12x[/tex]

Answer:

4x² - 12x

Step-by-step explanation:

Multiply 4x by each term inside the parentheses

4x(x) = 4x²

4x(-3) = -12x

Put the terms back into order

4x² - 12x

What is the diameter of a circle that has a radius of 7
inches?

Answers

Answer:

d=14in

Step-by-step explanation:

Solution

d=2r=2·7=14in

Hope this helped!!!

Are these slopes equal? Explain if they are or if there not.

Answers

Answer:

Yes

Step-by-step explanation:

When dividing (or multiplying) two negative numbers, you end up with a positive number. The other slope is already positive. So 4/5=4/5

Please help ASAP 60 pts!
Write the equation of a circle with endpoints of the diameter at (4, -3) and (-2, 5).
Show your work for credit.

Answers

Answer:

(x - 1)² + (y - 1)² = 25

Step-by-step explanation:

Find the center, the midpoint of the diameter:

x = (4 - 2)/2 = 1, this is h of the circle equationy = (-3 + 5)/2 = 1, his is k of the circle equation

Find the square of the radius by distance formula:

r² = (1 - 4)² + (1 + 3)² = 25

Equation of the circle:

(x - h)² + (y - k)² = r²,

Substitute the values to get:

(x - 1)² + (y - 1)² = 25

Answer:

solution given:

points at (4, -3) and (-2, 5

diameter [d]=

[tex]d = \sqrt{(4 + 2) {}^{2} +( - 3 - 5) {}^{2} } \\ d = 10units \\ radius(r) = 5units [/tex]

centre[h,k]={(4-2)/2,(-3+5)/2}=(1,1)

now equation of a circle

(x-h)²+(y-k)²=r²

(x-1)²+(y-1)²=25 is a required equation

What is the width of a rectangle with a length of 3/8 ft and and area of
4 square feet?

Answers

L: 3/8ft
A: 4
W: 10.6666666668881

Explanation: 3/8ft x 10.6666666668881 = 4ft

Identify the smallest of the similar triangles. Then find x

Answers

CDB is the smallest of the similar triangles. 169.

Change to slope-intercept form. Then find the y-intercept, first point, and second point.
x + 3y > 9
slope intercept form
y -Intercept
first point (let x=0)
second point

Answers

Answer:

[tex]x + 3y > 9 \\ 3y > - x + 9 \\ y > - \frac{1}{3} x + 3 \\ y - intercept \: is \: 3 \\ first \: point = 3 \\ second \: point \: = 9[/tex]

What is the graph of the following parametric equation? x = sqrt(t) and y = 2t - 3

(pls include a graph answer!)

Answers

Answer:

Th final equation is [tex]Y = 2X^2 -3[/tex]

The graph is attached

Step-by-step explanation:

Given

[tex]X = \sqrt{t} \\t = X^2[/tex] --- Eq (1)

and [tex]Y = 2t -3[/tex] --- Eq (2)

Substituting the value of "t" from Eq (1) into Eq (2), we get -

[tex]Y = 2X^2 -3[/tex]

The graph for the equation is attached here with

The Cartesian form of the parametric equation is y = 2x² – 3 and the graph will be a parabola.

What are parametric equations?

A parametric equation in mathematics specifies a set of numbers as functions of one or more independent variables known as parameters.

We have parametric functions:

x = √t ⇒ x² = t

y = 2t—3

Plug t = x² in the other equation, we get:

y = 2x² - 3

The graph will be a parabola.

Thus, the Cartesian form of the parametric equation is y = 2x² – 3 and the graph will be a parabola.

Learn more about the parametric function here:

brainly.com/question/10271163

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The coordinates of the following points represent the vertices of a rectangle. W: (3,3) X: (8,3) Y: (8,7) Z: (3,7) What is the perimeter, in units, of rectangle WXYZ?

Answers

Answer:

18

Step-by-step explanation:

The answer is B, 18

Answer:

The person above me is correct

Step-by-step explanation:


[tex]16 \div81 \: - 3 \div 4[/tex]
please note that this is exponents ​

Answers

Answer:

16/81-3/4[

=[16×4-3×81]/[81×4]=-179/324 is your answer

Simplify 79.5-2.58 x (3.63-1.63) to the third power

Answers

Answer:

a

Step-by-satep explanation:

i need help please it's due today

Answers

Step-by-step explanation:

work is on the paper for you, somthing that might help you with your future with math is PEMDAS always do exponents first when it's an equation like your first, second, and third question. I hope this helped.

4. The volume of a certain room is 2016 cubic ft. If the square footage of the
floor is 144 sq. ft., what will the height of the room be?

Answers

Answer:

The room is 14ft high

Step-by-step explanation:

Given

[tex]Volume = 2016ft^3[/tex]

[tex]Base\ Area = 144ft^2[/tex]

Required

The height of the room

This is calculated as:

[tex]Volume = Base\ Area * Height[/tex]

Make Height the subject

[tex]Height = \frac{Volume}{Base\ Area}[/tex]

So, we have:

[tex]Height = \frac{2016ft^3}{144ft^2}[/tex]

[tex]Height = \frac{2016}{144}ft[/tex]

[tex]Height = 14ft[/tex]

If you punched 1 raffle ticket, what is the probability of winning of only 10 tickets are winners and 179 total tickets were sold

Answers

Answer:

1 out of 179

Step-by-step explanation:

Which expression shows twice the sum of 8 and a number n?

Answers

Answer:

A

Step-by-step explanation:

The sum of 8 and a number n represents n + 8

Twice that sum would give us 2(n + 8)

Answer:

A. 2(n+8)

sum of 8 and number = n+8

and twice that means 2(n+8)

Which angle is an acute angle?
A. An angle measuring 325°
B. An angle measuring 265°
C. An angle measuring 125°
D. An angle measuring 85°

Answers

Anything less than 90 degrees or Pi/2, so that would be d.

Answer:

The answer is Option D

Step-by-step explanation:

Option D is the right answer since 85° is a acute angle. Acute angles are angles below 90°

Hope this helps!

Have a good day

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