Answer:
Step-by-step explanation:
Given ratio of boys and girls in the class =7:5
No of boys is 8more than the girls
So
Let no of boys in the class =7x
No of girls in the class=5x
7x=5x+8
2x=8
X=8/2
X=4.
Total strength =no of boys + no of girls
=7x+5x
=7×4+5×4
= 28+20
=48.
Total strength in the class is 48.
Answer:
Total class strength = 48
Step-by-step explanation:
Boys : Girls = 7 : 5
Number of boys = 7x
Number of girls = 5x
7x - 5x = 8
2x = 8
x = 8/2
x = 4
Total strength = 7x + 5x = 12x = 12*4 = 48
Two friends argue over who brushes their teeth more often.
Who is more likely to brush both morning and evening? Assume all events are independent.
Multiple choice answers in picture below
Answer:
arabella so B
Step-by-step explanation:
plz mark brainlyest
The probability of one who is more likely to brush both time morning and evening is Braxton, he has a 0.61 probability of brushing both times.
What is Probability?Probability helps us to know the chances of an event occurring.
[tex]\rm Probability=\dfrac{Desired\ Outcomes}{Total\ Number\ of\ outcomes\ possible}[/tex]
The probability of Braxton brushing both times = (0.72×0.85) = 0.612
The Probability of Arabella brushing both times = (0.82×0.79) = 0.6478
Hence, the probability of one who is more likely to brush both time morning and evening is Braxton, he has a 0.61 probability of brushing both times.
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2 1/3 ×4 1/5
WHO EVER IS CORRECT I WILL GIVE BRAINIEST
Answer:
So, solving the equation [tex]2 \frac{1}{3} \times 4\frac{1}{5}[/tex] we get [tex]9\frac{4}{5}[/tex]
Step-by-step explanation:
We need to solve the given equation: [tex]2 \frac{1}{3} \times 4\frac{1}{5}[/tex]
First converting mixed fractions into improper fractions
[tex]\frac{7}{3} \times \frac{21}{5}[/tex]
Since 21 is divisible by 3 so, simplifying and multiplying
[tex]=7 \times \frac{7}{5} \\=\frac{49}{5} \\=9\frac{4}{5}[/tex]
So, solving the equation [tex]2 \frac{1}{3} \times 4\frac{1}{5}[/tex] we get [tex]9\frac{4}{5}[/tex]
What does negative 4 over 7 > −2 indicate about the positions of negative 4 over 7 and −2 on the number line?
negative 4 over 7 is located on the right of −2, and −2 is located on the right of 0
negative 4 over 7 is located on the left of −2, and −2 is located on the right of 0
negative 4 over 7 is located to the right of −2
negative 4 over 7 is located on the left of −2
Plz! I need this answer ASAP!!
Answer:
-4/7 > -2
greater then goes to the right and less then goes to the left
-4/7 is located to the right of -2
Step-by-step explanation:
Answer:
I gets points, and lonelyness. Yes I do..:-[
Step-by-step explanation:
Find the values of and y.
Answer:
Step-by-step explanation:
2y = 58
y=58/2
y = 29
58 + 2x = 180
2x = 122
x = 61
What is the area of this figure ?? Please help
Answer: I would say 80 but I don't think that's right so sorry I don't really think I can help you with this question.
Step-by-step explanation:
Kyra walks 2 miles in 30 minutes, how long will it take her to walk 120 minutes.
Answer:
if she walks 2 miles in 30 minutes, she will walk 8 miles in 120 minutes.
Step-by-step explanation:
Can i get brainliest plzzz?
Answer:
8
Step-by-step explanation:
They can walk 8 miles in 120 minutes she can walk 1 mile in 15 minutes and 120/15 is 8.
please help me in math
evaluate (5.6 x 10⁶) - 340,000 / 2 x 10^3
Answer:
5599830
Step-by-step explanation:
5,600,000 - 340,000 / 2,000
5599830
Solve. Type your answer into the answer box. DO NOT type in h=, just type in the number.
3h = -15
Answer:
-5
Step-by-step explanation:
-15/3 = -5
h = -5
Answer:
-5
Step-by-step explanation:
i just took the test
If you factor 27x^3+1 in form (a-b)(a^2+ab+b^2) what is the value of a?
Answer:
3x
Step-by-step explanation:
i took the test and got it right
Instructions: Solve the following literal equation.
Solve 3x+ 15y = 24 for x.
Step-by-step explanation:
3x+15y= 24
x+15y=24/3
x+y= 8/15
x= 8/15-y
The solution for x is x = 8-5y.
Given is an equation 3x + 15y = 24, we need to solve for x,
To solve the literal equation 3x + 15y = 24 for x, we need to isolate x on one side of the equation.
Let's begin by subtracting 15y from both sides of the equation:
3x + 15y - 15y = 24 - 15y
This simplifies to:
3x = 24 - 15y
Now, we can divide both sides of the equation by 3 to solve for x:
(3x)/3 = (24 - 15y)/3
Simplifying further:
x = (24 - 15y)/3
Take 3 as common factor,
x = 3(8-5y) / 3
x = 8-5y
Therefore, the solution for x is x = 8-5y.
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answer the question below
Divide total cost by total cans:
c = 8.96 / 32
c = 0.28 per can
A bakery used 25% more butter this month than last month. If the bakery used 240 kilograms of butter last month, how much did it use this month?
Round your answer to the nearest whole number.
Answer:
Step-by-step explanation:
240 kilograms *25%= 60 kilograms more
total of 300 kilograms
2x + 7 > 11
Please and thank you
Answer:
x = > 2
Step-by-step explanation:
This is the answer because:
1) >2 means x is any number greater than 2
2) For example, 2 x 3 = 6 + 7 = 13
3) 13 is greater than 11
Hope this helps!
What is the equation of this graphed line?
Enter your answer in slope-intercept form in the box.
Answer:
Step-by-step explanation:
y=1/2-5x
Answer:
y = -1/3x - 5Step-by-step explanation:
Using points on the graph to get the equation
Slope intercept form:
y = mx + bFrom the graph, point (0, -5) we can see y-intercept is b = -5
An calculating the slope using two points (-6, -3) and (6, -7):
m = (-7 - (-3)) / (6 - (-6)) = -4 / 12 = -1/3So the line is:
y = -1/3x - 5someone this is due at 11:59 i will give brainliest
A student misses 6 questions on an exam. His final score was an 80%\
how many questions were on the test
Solve for y. y - 2 = 4x + y
Answer:
y= -2=4x
Step-by-step explanation:
1) a verify : x² + 4x+3 = (x+2) ²)
Answer:
NO
Step-by-step explanation:
X^2+4X+3=(X+2)(X+2)
X^2+4X+3=X^2+2X+2X+4
X^2+4X+3=X^2+4X+4
Answer:
undefined
Step-by-step explanation:
x²+4x+3 = (x+2)²
first of all you open the bracket on the Right hand side..
(x+2)² = (x+2)(x+2)
= x(x+2)+ 2(x+2)
=x²+2x+ 2x+4
= x²+4x+4
therefore,
x²+4x+3 = x²+4x+4
next, we collect all like terms together,
x²-x²+4x-4x = 4-3
0+0 = 1
the answer is undefined
because 0 cannot be equal to 1
A dance team is going to spend $1,440 to purchase all sweatshirts or all jackets for the team members. Sweatshirts cost $24 each. Jackets cost $32 each. What is the greatest number of sweat- shirts or jackets the team can purchase?
Answer:
60 sweatshirt
Or
45 jackets
Step-by-step explanation:
Total amount = $1,440
Sweatshirts = $24
Jackets = $32
What is the greatest number of sweat- shirts or jackets the team can purchase?
The greatest number of sweat- shirts the team can purchase = Total amount / cost of sweatshirt
= $1,440 / $24
= 60
The greatest number of jackets the team can purchase =Total amount / cost of jackets
= $1,440 / $32
= 45
Therefore, the greatest number of sweat- shirts or jackets the team can purchase is
60 sweatshirt
Or
45 jackets
Answer:
45 or 60
Step-by-step explanation:
Just answer correctly to get brainleist and 10 pts! :)
Answer:
B
Step-by-step explanation:
x is repeated
helpp oll mark u as brain list
At a soccer tournament 12 teams are wearing red shirts, 6 teams are wearing blue shirts, 444 teams are wearing orange shirts, and 2 teams are wearing white shirts
Answer:
red
Step-by-step explanation:
The complete question is as follows;
At a soccer tournament 12 teams are wearing red shirts, 6 teams are wearing blue shirts, 4 teams are wearing orange shirts, and 2 teams are wearing white shirts. For every 2 teams at the tournament, there is 1 team wearing ____ shirts
Solution;
The total number of teams we have is 12 + 6 + 4 + 2 = 24 teams
Now looking at the number of teams wearing red shirts , we can see 12 of them which is exactly half the total number of teams
So what this means is that for every two teams at the tournament, there is 1 team wearing red shirts
Mr. Howard and Ms. Egan enjoy running on the weekends. They both usually run at a steady pace and try to meet in the middle. They are 14 miles apart. Mr. Howard can run 3 miles in 30 minutes. Ms. Egan can run 4 miles in 30 minutes.
Given :
Distance between them, D = 14 miles .
Mr. Howard can run 3 miles in 30 minutes.
Ms. Egan can run 4 miles in 30 minutes.
To Find :
Time taken by them to meet.
Solution :
Mr Howard speed, [tex]v_H=\dfrac{3}{0.5}=6\ mph[/tex] .
Mr Egan speed, [tex]v_e=\dfrac{4}{0.5}=- 8\ mph[/tex] . [ Since they run in opposite direction ]
Their relative speed :
[tex]v=v_E-v_H\\\\v = 8-(-6) \ mph \\\\v = 14 \ mph[/tex]
Time taken by them to meet :
[tex]T = \dfrac{14}{14}\ hours\\\\T = 1 \ hours[/tex]
Hence, this is the required solution.
Find the slope of the line passing through the points (2,5) and (8,-4).
Answer:
-9/6
Step-by-step explanation:
y2-y1 , x2-x1
Which of the following is an irrational number?
Jayden is downloading songs onto his MP3 player. One song is 5 minutes long,another is 2 minutes long,and a third is between the lengths of the other two songs. What is the total length of all three songs?
Answer:
Jayden is downloading songs onto his MP3 player. One song is 5 minutes long,another is 2 minutes long,and a third is between the lengths of the other two songs. What is the total length of all three songs?
Step-by-step explanation:
Jayden is downloading songs onto his MP3 player. One song is 5 minutes long,another is 2 minutes long,and a third is between the lengths of the other two songs. What is the total length of all three songs?
so the answer iis 3.5 minutes long
BRAINLIEST PLS??????????
The total length of all three songs is 10.5 minutes.
What is addition?Combining objects and counting them as one big group is done through addition. In arithmetic, addition is the process of adding two or more integers together. Addends are the numbers that are added, and the sum refers to the outcome of the operation.
Given:
Jayden is downloading songs onto his MP3 player.
One song is 5 minutes long,
another is 2 minutes long,
and a third is between the lengths of the other two songs.
Third song is,
= (2 + 5)/2
= 3.5 minutes.
The total length = 2 + 3.5 + 5 = 10.5 minutes.
Therefore, The total length is 10.5 minutes.
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I need this answered in 3 min plz help.
Answer:
It's so blurry I cant see it
Marvin rides his bike at an average speed of 13 miles per hour. How far can he bike in 8 hours?
Marvin can bike miles in 8 hours.
Answer:
104
Step-by-step explanation:
13x8=104
which of the following is a solution to the equation 0=x^2+6x+4
Answer:
[tex]x=-3\pm\sqrt{5}[/tex]
General Formulas and Concepts:
Pre-Alg
Order of Operations: BPEMDASAlg I
Standard Form: ax² + bx + c = 0Quadratic Formula: [tex]x=\frac{-b\pm\sqrt{b^2-4ac} }{2a}[/tex]Step-by-step explanation:
Step 1: Define
x² + 6x + 4 = 0
a = 1
b = 6
c = 4
Step 2: Find x
Substitute: [tex]x=\frac{-6\pm\sqrt{6^2-4(1)(4)} }{2(1)}[/tex]Evaluate: [tex]x=\frac{-6\pm\sqrt{36-4(1)(4)} }{2(1)}[/tex]Multiply: [tex]x=\frac{-6\pm\sqrt{36-16} }{2}[/tex]Subtract: [tex]x=\frac{-6\pm\sqrt{20} }{2}[/tex]Simplify: [tex]x=\frac{-6\pm2\sqrt{5} }{2}[/tex]Factor: [tex]x=\frac{2(-3\pm\sqrt{5}) }{2}[/tex]Simplify: [tex]x=-3\pm\sqrt{5}[/tex]You are calculating potential income from an association's request for proposal. The convention will require 200 rooms for three nights, 3 lunches for 350 people at each lunch, and AV equipment for 10 breakout rooms for three days. Assuming you charge $150 per night per room, $10 per person per lunch, and $300 total per breakout room per day for the A/V equipment, what is your estimated income for the convention?
A)$98,000
B)103,500
C)109,500
D)112,000
Answer:
c
Step-by-step explanation:
step by step my g
