Please help me. I will be giving 50 points, brainliest, a friend request, 5 stars and a heart. Please give an explanation as well.
Answers
Answer:
Step-by-step explanation:
Let older brother age be x and the age difference between the brothers be y
Younger brother's current age = x - y
When older brother's age was at x - y, younger brother's age was x - 2y = 2
When young brother's age will be at x, older brother's age will be x + y = 20
Subtracting the first equation from the second: 3y = 18
y = 6
x = 14
So the older brother is 14 and the younger brother is 8.
Sum of three son's ages now = 15 + 11 + 7 = 33
Daddy's age now = 45
Age difference = 12
Each year, daddy's age goes up by 1 while the sum of three son's ages goes up by 3.
Dividing the age difference by the difference in age gain, 12 / (3 -1) = 12 / 2
= 6
So in 6 years when daddy is 51 and the sum of sons at 21, 17 and 13 will be equal.
Answer:
Step-by-step explanation:
older bro age is x
younger bro age is y
age diff = x - y
it was (x-y) years ago when older bro was at age y
younger bro age then was y - (x - y) =2
2y - x = 2
younger bro will be at age x in (x-y) years
older bro age then will be x + (x-y) = 20
2x - y = 20
4x - 2y = 40
adding 2y - x = 2
3x = 42
x = 14
y = 2*14 - 20 = 8
daddy' age, 45 is 12 over the sum of sons (15, 11 and 7)
in 1 yr, dad age +1 n sum of sons +3 = difference of 2
so in 12/2 = 6 yrs they will be the same
Related Questions
There's a 90° triangle. The other two angles are 30° and 60°. The shortest line is nine the longest line is C. It's asking what sea is in simplest radical form
Answers
Answer:
C = 18
Step-by-step explanation:
There's a 90° triangle. The other two angles are 30° and 60°. The shortest line is nine the longest line is C. It's asking what is C is in simplest radical form
Solution:
A triangle is a shape with three sides and three angles. Types of triangle are right angled, isosceles, scalene, obtuse, acute.
The length of the side in a triangle is directly proportional to the opposite angle (angle facing the side).
A right angled triangle is a triangle with one angle equals to 90 degrees.
Since the shortest line is 9, the angle facing the shortest line is the smallest angle. The longest line is the hypotenuse which is given as C. Trigonometric identities shows the relationship between the sides of a triangle and its angles, hence:
sin30 = 9 / C
0.5 = 9 / C
C = 9/0.5
C = 18
Is algebra.
PLEASE HELP NO LINKS OR FILES.
I don't want links.
I don't want links.
I don't want links.
I don't want links.
Answers
Answer:
This factors out to be
4(2x+5)(2x+5)
GCF is 4.
This equals 4x^2 +20x+25
[tex]\sqrt{4} \\[/tex]=2
[tex]\sqrt{100}[/tex]=10
Therefore these will be the boxes:
Blank 1: 4
Blank 2: 2
Blank 3: 10
Something that can help you with these types of problems is the "Factoring Calculator by MathPapa" Which I will not put here but can be found by searching that on an engine.
solve the following :
7+2x/3= 5
and
3x+4/2= 9.5
Answers
Answer:
x= 4
x= 5
Step-by-step explanation:
7 + 2(4)/ 3 = 5
7 + 2(4)/3 = 5
7+8/3 = 5
15/3 = 5
3(5) +4/ 2 = 9.5
15+4/2 = 9.5
19/2 = 9.5
Solve for x. (Only enter the numerical value.)
(7x + 3)
(10x - 24)
Answers
Answer:
=70x^2-138x-72
Step-by-step explanation:
attached is the work in foil method
HELP ASAP
TYSM TYSM What is the surface area of the square pyramid?
I put a picture!
⬇️
Answers
Answer:
the surface area is 133cm.
7 x 7 is 49
7 x 6 is 42.
42 divided by 2 is 21.
21 x 4 is 84
So 84 + 49 is 133.
please help me pleaseeee
Answers
Answer:
First, we can find the least common denominator for 8 and 3 which is 24.
5/8 = 15/24
1/3 = 8/24
Then we can divide 15/24 by 8/24 which is 2 1/4.
If we then do 16 divided by 2 1/4 we get 7 1/9
Answer = 7 1/9
Step-by-step explanation:
A class has 12 boys and 16 girls. The teacher needs to pick two volunteers. What is the probability that she chooses a girl given that she chose a boy first? All answers should be given as a fraction in simplest form!
Any help is appreciated!
Answers
Answer:
16/27
Step-by-step explanation:
12 boys and 16 girls
She already chose a boy so now there are (11+16) = 27 possible outcomes
There are 16 favorable outcomes(girl)
so the fraction is 16/27
If my answer is incorrect, pls correct me!
If you like my answer and explanation, mark me as brainliest!
-Chetan K
The price of an Android phone
increased from $250 to $300. By what
percentage was the price of the
phone increased? Pick the answer below.
F 20%
H 40%
G 30%
J 50%
F
G
H
J
Answers
Answer:
F 20%
Step-by-step explanation:
Anthony plans to go to a carnival. The entrance is $6 and each ride cost 45 cents. Anthony wants to spend no more than $18.
Write an inequality that represents Anthony’s situation.
How many rides can Anthony go on?
Answers
That’s less than equal to.
Mhanifa please help. Look at the picture attached. I will mark brainliest
Answers
Answer:
#1tangent = opposite leg / adjacent legtan ∠F = DE/ EFtan ∠F = 24/7Option D
#2Sine and cosine are same for complementary angles.
Complementary of 67° is 90° - 67° = 23°.sine 67° = cosine 23°The football team has a total of 50 jerseys. There are 20 medium-sized jerseys. What percent of the jerseys are medium-sized jerseys?
Answers
Answer:40%
Step-by-step explanation:20 divided by 50 is 0.4 then multiply that by 100 and get 40
Answer:
Well the equation for this would 50*.20 = ...
The first half of the answer would be 10.
BUT!
You need to subtract 10 from 50.
50-10 = 40!
There you go.
Step-by-step explanation:
graph the equation y = 2 (x - 4)^2 + 5
Answers
Answer:
Step-by-step explanation:
I need the answer pls
Answers
Answer:
s
Step-by-step explanation:
sdd
Find the sum, if it exists, of the infinite geometric series S= 1/181 + 1/27+ 1/9+….
a)S= 1/54
b)S=1/9
c)S=1/6
d)This infinite geometric series diverges.
Answers
Answer:
S∞=12. Explanation: Formula for sum of infinite geometric series is. S∞=a11−r ; −1<r<1. We have a geometric series ...
Step-by-step explanation:
That's it hope it helps.^^
#carryonlearning
Plz solve this question
Answers
Answer:
first one
Step-by-step explanation:
and is this a test?
Which equation represents the word sentence shown below?
The quotient of a number band 0.3 equals negative 10.
Answers
Answer:
where are the equations?
Step-by-step explanation:
tell me and I will edit my answer to answer ur question
Answer:
Step-by-step explanation:
please check screenshot
Answers
Answer:
Domain: {-2, -1, 0, 1, 2, 3}
Range: {-5, -3, -1, 1, 3, 5}
Step-by-step explanation:
The domain is the set containing all the x-coordinates, and the range is the set containing all the y-coordinates.
Domain: {-2, -1, 0, 1, 2, 3}
Range: {-5, -3, -1, 1, 3, 5}
Find the expected value of the winnings from a game that has the following payout probability distribution:
Payout ($) 0 4 6 8 10
Probability .5 .2 .15 .1 .05
Answers
Answer:
3
Step-by-step explanation:
does anyone know this?
Answers
Answer:
Hello! answer: a = 24
Step-by-step explanation:
30 × 30 = 900 18 × 18 = 324 900 - 324 = 576 24 × 24 = 576 therefore a = 24 Hope that helps!
plz help its timed!! will give brainliest
Answers
x = 7
Hope this helps!-FinnyWhich function shown below has the greater rate of change? Explain. (Be sure to include the
rate of change for each in your explanation).
Answers
Answer:
Function 1 has a greater rate of change.
Step-by-step explanation:
Function 1 has a rate of change of 3 because 3x is the slope of the line.
Function 2 has a rate of change of 1.5, because when you use rise/run, you get a slope of 3/2.
Function 3 has a rate of change of 2. You use the formula (y2 - y1) / (x2 - x1) to find the slope. I used (0,0) and (1,2). When you plug in 2 for y2, 1 for x2, and 0 for y1 and 0 for x1, you get (2-0) / (1-0) which is 2/1. That equals a slope of 2.
The distance between D(-3,5) and E(x, 9) is 15. Find the value(s) of the
missing coordinate.
Answers
9514 1404 393
Answer:
x ≈ -17.457 or 11.457
Step-by-step explanation:
The distance formula can help.
d = √((x2 -x1)² +(y2 -y1)²)
Substituting given values, we have ...
15 = √((x -(-3))² +(9 -5)²)
225 = (x +3)² +16 . . . . . . . . square both sides
209 = (x +3)² . . . . . . . . . . . subtract 16
±√209 = x +3 . . . . . . . . . take the square root
-3 ± √209 = x . . . . . . . . subtract 3
x ≈ -17.457 or 11.457
HELP!!! I WILL MARK BRAINLEST!
Answers
you take 4•.25 and 8•.25
you get (1, 2)
The government of an entity invested resources in the purchase of 40
tractors and spent $ 100,000.00 on poetry books for schools.
In another state, the government bought 20 tractors and spent $ 800,000.00
in reading books. If both governments invested the same amount of
money and the price of each tractor was the same, how much did each
tractor?_______________________
Answers
Answer: the amount of each tractor should have been 15000
Step-by-step explanation:
sorry if wrong pls don’t be mad
Solve the equation for x.
Answers
Answer:
-110
Step-by-step explanation:
[tex]-\frac{x}{10} =11[/tex]
-x=11×10=110
x=-110
Luther bought a juice box shaped like a rectangular prism. The juice box is 4 inches tall, 3 inches wide, and 1.5 inches deep. Each cubic inch of the juice box holds 0.55 fluid ounces of strawberry-kiwi punch.
How many fluid ounces of punch does the juice box hold?
Answers
What is the surface area of a cereal box with a height of 10 inches, a width of 4 ½ inches, and a length of 7 inches?
Answers
Answer:
Surface area of a box = 293 inches ²
Step-by-step explanation:
Surface area of a box = 2(lw + lh + hw)
Where,
l = length = 7 inches
w =width = 4 1/2 inches
h = height = 10 inches
Surface area of a box = 2(lw + lh + hw)
= 2(7*4.5 + 7*10 + 10*4.5)
= 2(31.5 + 70 + 45)
= 2(146.5)
= 293 inches ²
Surface area of a box = 293 inches ²
Answer pleasseee, and explain how you got it.
Answers
Answer:
7.2
Step-by-step explanation:
6^2+4^2=c^2
36+16=c^2
52=c^2
x=7.2
Please help I'm failing
Answers
Answer:
Unit rate!
Step-by-step explanation:
A unit rate is a rate that has a denominator of 1!
~ LadyBrain
Find the surface area
of the figure below:
HELP ASAP!!! PLZZZ
Answers
Answer:
320 cm squared
Step-by-step explanation:
A=2(wl+hl+hw)
2 × (12 × 4 +7 × 4+ 7 × 12)
Have a good day :)