The ratio of boys to girls in 6th grade is 2:3, if there were 65 students in the class, how many girls are there? How many boys are there?

Answers

Answer 1

Answer:

26 boys and 39 girls

Step-by-step explanation:

if you were to divide 65 by 5 then you would get 13. all you have to do is add 13 + 13 and you would get the number of boys. for the girls you add 13 + 13 + 13.


Related Questions

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You have $18 to buy peppers. Peppers cost $1.50 each. Write and solve an inequality that represents the numbers of peppers you can buy.

Answers

the inequality would be 18>1.5x

this basically means $18 is greater than or equal to 1.5x, where x is the number of peppers you buy at $1.50 for each pepper. So you can buy any amount of peppers from 0 to 12. If you want to make the inequality better it would be 18>1.5x>0 because you can't buy less than 0 peppers

Simplify the following expression.

5.3x − 8.14 + 3.6x + 9.8

A.
8.9x + 17.94
B.
8.9x + 1.66
C.
-2.84x + 17.94
D.
-2.84x − 1.66

Answers

Answer:

the answer is B

Step-by-step explanation:

The table shows data collected to represent the functional relationship between the number of hours an auto factory is open and the number of cars produced. A 2-column table with 5 rows. Column 1 is labeled x with Hours, x with entries 3, 5, 7, 9, 11. Column 2 is labeled Cars, y with entries 75, 125, 175, 225, 275. What is the domain of the function represented by the table? all real numbers x greater-than-or-equal-to 0 {3, 5, 7, 9, 11} {75, 125, 175, 225, 275}

Answers

Answer:its 3,5,7,9,11

Step-by-step explanation:i m pretty sure it's this one because I got it from briainly

Answer:

b

Step-by-step explanation:

i took the test and this was right

5star answer don't u think????

At a food festival, 3/8 of the dishes were from china. Another 12.5% of the dishes were from japan. What percent of the dishes were from the other countries?

Answers

Answer: 50%

Step-by-step explanation:

Let x = Total dishes.

Dishes from China = [tex]\dfrac38x[/tex]

Dishes from Japan  = [tex]12.5\% \text{ of }x= 0.125x[/tex]

Total dishes  from China and Japan = [tex]\dfrac38 x+0.125x=0.375x+0.125x=0.5x[/tex]

Dishes from other countries [tex]= x- 0.5x= 0.5x[/tex]

Percent of dishes from other countries= [tex]\dfrac{0.5x}{x}\times100\%= 50\%[/tex]

Hence, dishes from other countries = 50%

I WILL MARK AS BRAINLIEST!!!!

Answers

Answer:

1. 795, 23

2. 50, she will finish her candy on November 21 so she won't be able to share with her cousins

3. $276, 71 cars

Step-by-step explanation:

1. your equation: y = 35x + 235

plug in 16 to find how many pictures she will have on may 16: y = 35(16) + 235

you get y = 795

for the second part, you know are trying to find how long it will take to get to 1024 pictures, so you know your y, but you don't know your x

your equation: 1024 = 35x + 235

solve to get x = 22.54

this rounds up to 23, so your answer is 23

2. multiply 8 times 4 to get 32

subtract 32 from 82 to fin how many she has left

you get 50

for the second part, divide 82 by 4 to find how many day it will take to finish her candy

you get 20.5

so no, she will not have candy to share with her cousins, and she will finish her candy on November 21

3. for this, you have a negative y intercept since you need to make $24 to start profiting

your equation: y = 6x - 24

plug in 50 to x: y = 6(50) - 24

you get y = 276

so you make $276 with 50 cars

for the second part, plug in 400 to y: 400 = 6x - 24

solve to get x = 70.66

this rounds up to 71, so your answer is 71

Factorise:x^2 + 7x + 10 =0

Answers

Answer:

x = − 5, − 2

Step-by-step explanation:

x² + 7x + 10 = 0

x² + 5x + 2x + 10 = 0

x(x + 5) + 2 (x + 5) = 0

(x + 5)(x + 2) = 0

x = 5, 2

-TheUnknownScientist

NEED ASAP!!!
Expand the following using the distributive property.

6(-3w + 1/3)

A) -18w + 2
B) 18w + 2
C) 18w – 2
D) -18w – 2

Answers

Answer:

A

Step-by-step explanation:

6(-3w+1/3)

-18w+2

Answer:

A

Step-by-step explanation:

6(-3w +1/3)

to distribute you multiply everything inside the parentheses by 6

so

6(-3w) + 6(1/3)

-18w + 6/3

-18w +2

Sophie bikes s miles per hour. Her friend, Rana, is slower. Rana bikes r miles per hour.
c
Rana and Sophie went for a 20-mile bike ride today. Each girl biked at her usual speed. How long did Sophie wait for Rana at the end of the route?

Answers

Answer:

C x 20 + R x 20

Step-by-step explanation:

C x 20 + R x 20 or

20c + 20r

Find the slope of the line that is perpendicular to y=-6x+12. PLEASE HURRYTTT

Answers

Answer:

slope of perpendicular line = -1/6

Step-by-step explanation:

Slope of Perpendicular line= -1/m

Compairing y=-6x+12 with the Standard equation of line y=-mx+c

Here m=6

So slope of Perpendicular line is: -1/6

22 = 7 – 3a SHOW ALL WORK

Answers

Answer:

a = -5

Step-by-step explanation:

22 = 7 -3a

(subtract 7)

15 = -3a

(divide -3)

a = -5

OR

22 = 7 -3a

(add 3a)

3a + 22 = 7

(subract 22)

3a = -15

(divide 3)

a = -5

22 = 7 - 3a
3a = -15
a = -5

It took 48 minutes to drive downtown. An app estimated it would be less than that. If
the error was 20%, what was the app's estimate?

Answers

Answer:

38.4 minutes

Step-by-step explanation:

Assuming the error was 20% less

Answer:

40 mins

Step-by-step explanation:

A pet store has two types of betta fish ref betta fish and blue betta fish a customer notices that 7 out of 12 betta fish in the store are red what is the ratio of blue betta fish to red betta fish?

Answers

Answer:

5:7

Step-by-step explanation:

A pet store has two types of betta fish which is red and blue

She noticed that 7 out of the 12 beta fishes are red

This means that there are 7 red beta fishes and 5 blue betta fishes

Therefore the ratio of blue betta fish to red betta fish is

= 5:7

Scientific notation The table shows the amount of money raised by each region the four regions used a total of $ (5.38×10^4) How much money did the West Raise?

Answers

9514 1404 393

Answer:

  $8.65×10^3

Step-by-step explanation:

The amount the West raised is the difference between the total and the sum of the other amounts raised. It is convenient to use a multiplier of 10^4 for each of the numbers, so the number for South can be rewritten as 0.675×10^4.

  West = 5.38×10^4 -1.46×10^4 -2.38×10^4 -0.675×10^4

  = (5.38 -1.46 -2.38 -0.675)×10^4

  = 0.865×10^4 = 8.65×10^3

West raised $8.65×10^3.

_____

Your calculator can figure this for you. You can set the final display to scientific notation format, if you need to.

HELLPPPPP
Write the equation y=-3/4x+2 in standard form.

Answers

the standard form is 3x+4y=8

ILL GIVE BRAINLIEST FOR CORRECT ANSWER. SUPER SUPER EASY.

determine which chart matchs which graph
only answer number 9

Answers

Answer:

B and F

Step-by-step explanation:

Choose scales for the coordinate plane shown so that you can graph the points J(10, 5), K(20, 4), L(5, −5), M(−15, 2), and N(−15, −4). PLEASE QUICK I HAVE 15 mins

Answers

Answer:

x axis use 5 and y axis use 1

Step-by-step explanation:

5 on the x axis would make it big enough to fit up to 30 on both positive and negative sides. 1 on the y axis would fit 6 on both sides. this makes it big enough to fit all the coordinates

What is the slope of the line graphed
Explain answer
GIVING BRAINIEST

Answers

Answer:

slope = 2

Step-by-step explanation:

Calculate the slope m using the slope formula

m = [tex]\frac{y_{2}-y_{1} }{x_{2}-x_{1} }[/tex]

with (x₁, y₁ ) = (- 3, 0) and (x₂, y₂ ) = (0, 6) ← 2 points on the line

m = [tex]\frac{6-0}{0+3}[/tex] = [tex]\frac{6}{3}[/tex] = 2

Answer:

The slope of the line is 2. To find the slope I marked two points on the line, which were (-3, 0) and (-2, 2). Then I used the [tex]\frac{Rise}{Run}[/tex] technique. Moving up 2 units and to the right 1 unit, which would be represented by [tex]\frac{2}{1}[/tex].

Ms. Forestal is purchasing greeting cards in preparation for the upcoming winter holidays. At Store A she can get 3 greeting cards for $15.00. At Store B, she can get 6 greeting cards for $24. Which is the better buy?

Answers

Answer:

store B

Step-by-step explanation:

Can someone explain how to get the right answers thx

Answers

Idk exactly what those angles are called. I think supplementary interior. Which means they add up to 180°
So, (4x-2)+(6x-8)=180
Simplify. 10x-10=180
Now we need to get x by itself so add 10 to both sides to get 10x=190
Then divide by 10 to get x by itself x=190/10
So x=19

Hope this helped!!!

(3x - 2)
(10x - 11)
(3x + 1)
Solve for the value of x.

Answers

Answer:

1. 2/3

2. 11/10

3. 1/3

hope it helps

Jim is baking chocolate chip muffins. He has a total of 7 1/3 cups of chocolate chips, if each batch of muffins uses 2/3 of a cup of chocolate chips, enter the most number of batches of muffins Jim can make?

Answers

Answer: 11 batches of muffins

Step-by-step explanation:

From the question, we are given the information that Jim is baking chocolate chip muffins and that he has a total of 7 1/3 cups of chocolate chips, and each batch of muffins uses 2/3 of a cup of chocolate chips.

The most number of batches of muffins that Jim can make will be gotten by dividing 7 1/3 by 2/3. This will be:

= 7 1/3 ÷ 2/3

= 22/3 ÷ 2/3

= 22/3 × 3/2

= 11

Jim can make 11 batches of muffins.

HELP MEEEEEEEE PMEASE
In order!!!

Answers

Step-by-step explanation:

The value of all the angles in a triangle add up to 180.

So to find x do 180-(66+52)

The angle opposite of x is the same value as x

X+E or X+Z are both equal to 180.

Using the properties of real numbers ,prove that a<b and c<d= a+c<b+d​

Answers

9514 1404 393

Explanation:

  a < b . . . . . given

  0 < b -a . . . . . addition property of inequality

  c < d . . . . . given

  0 < d - c . . . . . addition property of inequality

  0 < (b -a) +(d -c) . . . . addition is closed for positive real numbers

  a +c < b +d . . . . . addition property of inequality

Answer:

hello hope this pic helps

Find the value for x
Can somebody help me?
Please

Answers

Answer:

1-7 2-6 3-6 4-4

Step-by-step explanation:

To do this, you must notice that all of these are isosceles triangles (2 of the sides are the same.) You already have 1 value on each triangle, and the length of that side is the same length as the side with the unknown value, so those are the correct answers. If I made a mistake, please correct me. Everybody makes mistakes.

the area of a square is 15 square feet. What is the best estimate of the length of the side?​

Answers

Answer:

L = 3.9

Step-by-step explanation:

[tex]Area=l*l\\l^{2}=15\\[/tex]

L = 3.9

Answer:

The best estimate would have to be 3.87298334621. 3.87 if rounded to the nearest hundredth, 3.9 id rounded to the nearest tenth, and 4 if rounded to the nearest unit

I need help pls !!!!

Answers

Answer:

angle 3 im prob wrong

Step-by-step explanation:

It is estimated that 18 out of every 25 shoppers between the age of 18 and 34 research purchases online before going to a store. What is this value written as a decimal?

Answers

Answer: 0.72

Step-by-step explanation:

Given:  18 out of every 25 shoppers between the age of 18 and 34 research purchases online before going to a store.

Fraction of shoppers between the age of 18 and 34 research purchases online before going to a store [tex]=\dfrac{18}{25}[/tex]

In decimal , [tex]\dfrac{18}{25}=\dfrac{18}{25}\times\dfrac{4}{4}=\dfrac{72}{100}=0.72[/tex]

Hence, this value written as a decimal = 0.72

What will be the slope for (2,0) and (0,-3)

Answers

Answer:

3/2

Step-by-step explanation:

y2-y1/x2-x1

-3-(0)/0-(2)= -3/-2 = 3/2

The volume of a box is 120 cubic feet, the width and length are equal to x, the height is y. Find the dimensions that use the least amount of material. V=x^2 * y

Answers

Answer:

The answer is below

Step-by-step explanation:

The volume of box = width * length * height

120 = x * x * y

120 = x²y

y=120/x²

The surface area (SA) = sum of the area of all faces side

SA = x² + x² + xy + xy + xy + xy

SA = 2x² + 4xy

substitute y =120/x²

SA = 2x² + 4x(120/x²)

SA = 2x² + 480/x

Taking the derivative:

SA' = 4x - 480/x²

making SA' = 0:

0 = 4x - 480/x²

480/x² = 4x

4x³ = 480

x³ = 120

x = 4.93 feet

y = 120 / x² = 120 / 4.93² = 4.93

Hence the width, length and height is 4.93 feet.

10 less than 40% of a number is -4

Answers

Answer:

35

Step-by-step explanation:

4+10 = 14,

14 divided by 40% (0.4) = 35

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