The number of students in a chess club decreased from 40 to 19. What is the percent decrease? Round your answer to the nearest percent.


The percent decrease is
%.

Answers

Answer 1
The answer is .475 or .5 percent

Related Questions

Find x so that l is parallel to m.

Answers

Answer:

Step-by-step explanation:

(10x + 17)° = 87° + 5x° (This is because of the rule of corresponding angles)

=> 10x° = 87° + 5x° - 17°

=> (10x - 5x)° = 87° - 17°

=> 5x° = 70°

=> x° = ( 70/5 )°

=> x° = 14°

Therefore x = 14°

If my answer helped, kindly mark me as the brainliest!!

Thank You!!

Find the scale factor and find the unknown side lengths

Answers

Answer:

n=15          j=12

Step-by-step explanation:

The scale factor is 1.5

Match up the triangles, and you can see that 12/8=1.5

10*1.5=j, or 15

18/1.5=12

What is the value of the 9 in 194.6

Answers

Answer:

90

Step-by-step explanation:

1 is in the hundreds place

9 is in the tens place

4 is in the ones place

6 is in the tenths

estimate 1/4 times 21

Answers

Answer:

63/4 or 15.75 or 153/4.

PLZ HELP WILL GIVE BRAINLIEST!!!!!!! Write each repeating decimal using bar notation.
. 0.9222….

Answers

Answer:

[tex]0.9\bar{2}[/tex]

Step-by-step explanation:

since the bar or line over the number means that it is repeated. This is also equivilent to the rational fraction 83/90

Steven has £1100.
He pays £530 for a new TV.
His mortgage payment is £480.
How much money does he have left after paying for the TV and
paying his mortgage?

Answers

Answer:

£90

Step-by-step explanation:

Total money=£1100

Cost of new tv=£530

Mortage payment=£480

Therefore total money left =1100-(530+480)

=1100-1010=£90

Fracción equivalente de 1/3

Answers

Answer:

2/6

Step-by-step explanation:

1/3 times 2

( -6)^0 solve this problem

Answers

Answer:

1

Step-by-step explanation:

Answer:

Anything raise to 0 is 1

so (-6)^0=1

Simplify the expression (6^4)^2.What is the simplified form of this expression?

Answers

Answer:

6^8

Step-by-step explanation:

Use of formula (a^b)^c = a^(bc)

Simplify

(6^4)^2 = 6^(4*2) = 6^8

Answer:

brainliest plsssssss

Step-by-step explanation:

(6^4)^2

=(6^4)^2

=(6^4) x (6^4)

=(6 x 6 x 6 x 6) x (6 x 6 x 6 x 6)

=6 x 6 x 6 x 6 x 6 x 6 x 6 x 6

=68

=1679616

How to build up am international business empire by yourself?

Answers

Answer:

Honestly first get rid of all the negative people around you there will always be that person or persons who don't belive in you. But trust me if you belive in yourself give it your 100% and don't stop grinding. ask people for promotions and don't br afraid to experiment try not to stay on the same idea try, trying something new.

PLS HURRY!!!!!!!!

The members of set A are the integer solutions of the inequality 2x−5≤11 and the members of set B are the integer solutions of the inequality −2x+7≤−9. What is one member of the intersection of A and B?

Answers

HOPE IT HELPS YOU!!!

Which set of graphs can be used to find the solution set to 3 log2(x + 4) < 6?
It's D

Answers

Correct answer would be 4629

Answer:

Graph D

Step-by-step explanation:

EDG 2021

Solve for x and y please

Answers

Answer:

y=41  73=x

Step-by-step explanation:

180=x+9+98

minus 98 from both sides

82=x+9

minus 9 from both sides

73=x

2y=x+9 because they are corresponding angles

2y=73+9

2y=82

divide by 2 on both sides

y=41

I got the same answer as the guy above but i also included some work on paper with step by step instructions :) i’ll add the a picture to this let me know if you get the picture :)

URGENT AND EASY TO DO -7(7x+8)≤287 PLEASE

Answers

Answer:

x≥−7

Step-by-step explanation:

Answer:

x [tex]\geq[/tex] -7

Step-by-step explanation:

-49x - 56 [tex]\leq[/tex] 287

-49x [tex]\leq[/tex] 343

x [tex]\geq[/tex] -7

note: if you're going to divide by a negative number you need to flip the sign.

What conclusion can be made?​

Answers

Answer:  B) The value of k must be between 1 and 2

The function f(x) has a restricted domain [1, 2] which means [tex]1 \le x \le 2[/tex]

So we can only pick inputs in that interval. If x = k, then [tex]1 \le k \le 2[/tex]

I believe it’s the second one I’m not 10% sure tho

PLEASE HELP

I like or go to the beach or I like to eat ice cream.

I like or go to the beach and I like to eat ice cream.

I enjoy rainy days and I like to eat ice cream.

I do not enjoy eating ice cream or I do not enjoy rainy days.

Therefore, I enjoy ice cream.

ANSWER OPTIONS
p v q
~q v r
r ^ q
p ^ q
(Three dots in the shape of a pyramid) q

Answers

Answer:

Step-by-step explanation:

These are what the symbols mean so you can better understand them

p: I like to go to the beach

q: I like to eat ice cream

r: I do not enjoy rainy days

^ = means OR so a that has or in it.

v = means AND so any sentance with and in it

~ = not so any phrase that condridicts what the origional P,Q, and/or R

∴ = Therefore so any phrase with therefore.

So; p ∧ q would be P... OR... Q  acording to the key above would be

I ilke to go to the beach OR I like to eat icecream.

You can figure out the rest! Hope this helps you!

Answer:

~q v r

Step-by-step explanation because I mart

i need help with this geometry

Answers

(1,4)

The figure moves right 1 and up 4

You and your friend each purchase an equal number n of magazines. Your magazines cost $1.50 each and your friend's magazines cost $2 each. The total cost for you and your friend is $10.50. Write and solve an equation to find the number of magazines you purchased.

Answers

Given:

You and your friend each purchase an equal number n of magazines.

Your magazines cost = $1.50 each

Your friend's magazines cost = $2 each

Total cost = $10.50

To find:

The equation to find number of magazines you purchased.

Solution:

Your magazines cost = $1.50 each

Your friend's magazines cost = $2 each

Number of magazines purchased by you and your friend = n

Total cost = [tex]1.50n+2n[/tex]

It is given that total cost is $10.50.

[tex]1.50n+2n=10.50[/tex]

[tex]3.50n=10.50[/tex]

Divide both sides by 3.50.

[tex]n=\dfrac{10.50}{3.50}[/tex]

[tex]n=3[/tex]

Therefore, required equation is [tex]1.50n+2n=10.50[/tex] and the number of magazines purchased by you is 3.


help due in an hour!!

Answers

To find m, we can use the formula y2 - y1 / x2 - x1

x1 = 2

y1 = 50

x2 = 4

y2 = 90

Let's plug these numbers into our formula.

m = 90 - 50 / 4 - 2 = 40/2 = 20

So far our equation looks like: y = 20x + b

Now, let's plug one of the points into our equation.

50 = 20(2) + b

Simplify

50 = 40 + b

Subtract 40 from both sides.

10 = b

The final equation is: y = 20x + 10

Help pls
-28 = 5y - 8

Answers

Answer:

y=-4

Step-by-step explanation:

Hope this helps :)

Answer:

y = -4

Step-by-step explanation:

Assuming we are solving for y, start by isolating the variable:

-28 = 5y - 8

-20 = 5y (Added 8 on both sides.)

-4 = y (Divided 5 on both sides.)

d)) The ratio of the monthly income and expenditure of Sunayana is 5 : 3. If she
increases her income by Rs 5,000 and decreases the expenditure by Rs 3,000, the
new ratio becomes 5:2. Find her income and expenditure.​

Answers

Answer:

Sunayana's income is ₹25000 and expenditures are ₹15000.

Step-by-step explanation:

Let i denote the monthly income and e denote the expenditures.

We know that the ratio of the monthly income to expenditure is 5:3. So, we can write the following proportion:  

[tex]\displaystyle \frac{i}{e}=\frac{5}{3}[/tex]

Let's multiply both sides by e. This yields:

[tex]\displaystyle i=\frac{5}{3}e[/tex]

We know that when the income is increased by 5000 and the expenditures are decreased by 3000, the new ratio is 5:2. So, we can write the following proportion:

[tex]\displaystyle \frac{i+5000}{e-3000}=\frac{5}{2}[/tex]

Let's multiply both sides by [tex](e-3000)[/tex]:

[tex]\displaystyle i+5000=\frac{5}{2}(e-3000)[/tex]

Since we know that [tex]i=\frac{5}{3}e[/tex], substitute:

[tex]\displaystyle \frac{5}{3}e+5000=\frac{5}{2}(e-3000)[/tex]

So, let's solve for the expenditures. Distribute the right:

[tex]\displaystyle \frac{5}{3}e+5000=\frac{5}{2}e-7500[/tex]

Subtract [tex]\frac{5}{2}e[/tex] from both sides:

[tex]\displaystyle -\frac{5}{6}e+5000=-7500[/tex]

Subtract 5000 from both sides:

[tex]\displaystyle -\frac{5}{6}e=-12500[/tex]

Multiply both sides by -6/5. So, the expenditures are:

[tex]e=\text{Rs }15000[/tex]

We can use the original ratio to find Sunayana's income:

[tex]\displaystyle i=\frac{5}{3}e[/tex]

Substitute 15000 for e. Evaluate:

[tex]\displaystyle i=\frac{5}{3}(15000)=\text{Rs }25000[/tex]

So, Sunayana's income is ₹25000 and expenditures are ₹15000.

And we're done!

Answer: Income = 25000, Expenditures = 15000

Step-by-step explanation:

A ratio of 5:3 can also be written in fraction form as [tex]\dfrac{5}{3}[/tex] (which is in simplified format from [tex]\dfrac{5x}{3x}[/tex]).

Adding 5000 to 5x results in 5x + 5000

Subtracting 3000 from 3x results in 3x - 3000

--> [tex]\dfrac{5x+5000}{3x-3000}[/tex]

The new ratio of 5:2 can be written in simplified fraction form of [tex]\dfrac{5}{2}[/tex].

Set the fractions equal to each. Then cross multiply and solve for x.

   [tex]\dfrac{5x+5000}{3x-3000}=\dfrac{5}{2}[/tex]

5(3x - 3000) = 2(5x + 5000)             Cross multiplied

15x - 15000 = 10x + 10000                Distributed

5x - 15000 =            10000                Subtracted 0x from both sides

5x               =            25000               Added 15000 to both sides

               x = 5000                            Divided 5 from both sides

The original ratio of 5 : 3     -->  5x:3x

where 5x is the income and 3x is the expenditures results in:

income = 5x                            expenditures = 3x

             = 5(5000)                                         = 3(5000)

             = 25000                                          = 15000

please help !!!!! PLEASE !!!

Answers

Answer:

answer would be 120 degrees.

Step-by-step explanation:

because 4y+4+60=180

angle Q =4y+4

so 180-60=120

5. What is the total cost of 4.3 pounds of flour at $1.10 per pound and 0.5 pounds of baking soda at $0.82 per pound?​

Answers

Answer:

$4.73 for the flour and $0.41 for the baking soda $5.14 together

Step-by-step explanation:

Answer: .....

Step-by-step explanation:

What is the slope of the line that passes through the points (-4,-2) and (-4,-22)

Answers

Answer:

It's a line parallel to the y-axis

Step-by-step explanation:

Note that the similar x value in both coordinates.

Then it's a line drawn parallel to the y-axis

Therefore, the slope is infinite as it makes a right angle with the x-axis.

o
Which table shows equivalent ratios?
Feet
2.
4.
5
6
Inches
36
48
60
72
Feet
2
3
4
6
Inches
22
39
48
72
Feet
2
5
6
7
Inches
24
60
72
84
Feet
2.
3
Inches
28
36

Answers

Answer: c

Feet

2

5

6

7

Inches

24

60

72

84

Step-by-step explanation: 1ft = 12 inches 2ft=24 inches 3ft= 36 inches etc

multiply ft by 12 to get inches

Find the mean and median for the lengths of the jumping frogs’ bodies shown below (the length are in centimeters).

Answers

The median is 15.45 and the mean is 14.

Please help, will give brainiest to whomever gets this right.

Answers

Answer: everything except option 2 I think

Step-by-step explanation:

Rational numbers are numbers that can be written as quotients

The hu family goes out for lunch, and the price of the meal is $57. The sales tax on the meal is 7%, and the family also leaves a 15% tip on the pre-tax amount. What is the total cost of the meal?

The total cost of the meal is $

Answers

Answer:

$69.54

Step-by-step explanation:

57 * .07 = 3.99

57* .15 =8.55

8.55+3.99+57 =69.54

the sum of 4 consecutive integers is -62 write an equation to determine the smallest of the integers ​

Answers

Answer:

x + (x+1) + (x+2) + (x+3) = -62

x = -17

Step-by-step explanation:

x = smallest

x + (x+1) + (x+2) + (x+3) = -62

4x +6 = -62

4x = -68

x = -17

Use the distributive property to write an equivalent expression -3(-5x+7)

Answers

Answer:

15x - 21

Step-by-step explanation:

-3(-5x+7)

you sidtribute the 3 to both numbers by multiplying both the -5 and the 7 by -3

-3 x -5x = 15x (remember, a negative times a negative equals a positive)

-3 x 7 = -21 (A negative times a positive equals a negative)

15x - 21

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