Small bag = 2x
Medium bag = 3x
Large bag = 7x
2x + 3x + 7x = 60
12x = 60
x = 60/12
x = 5
Small bag = 2(5) = 10 kg
Medium bag = 3(5) = 15 kg
Large bag = 7(5) = 35 kg
Done.
cube root(8+ 3 root 21)+ cube root (8-3 root 21)
plese give good answer with explanation or I will report
Answer:
[tex]\sqrt[3]{8+3\sqrt{21} } + \sqrt[3]{8-3\sqrt{21} }[/tex] = 1Step-by-step explanation:
Given[tex]\sqrt[3]{8+3\sqrt{21} } + \sqrt[3]{8-3\sqrt{21} }[/tex]To find The value of the expressionSolutionLet's rewrite the given as:
[tex]\sqrt[3]{3\sqrt{21} + 8} - \sqrt[3]{3\sqrt{21} - 8}[/tex]Let the value is m and the expressions under 3rd roots are a and b, then we have
a = 3√21 + 8, b = 3√21 - 8m = ∛a - ∛bCube the both sides:
m³ = (∛a - ∛b)³m³ = a - b - 3[tex]\sqrt[3]{a^2b}[/tex] + 3[tex]\sqrt[3]{ab^2}[/tex]Simplify in bits:
a - b = 3√21 + 8 - 3√21 + 8 = 16ab = (3√21 + 8)(3√21 - 8) = 9*21 - 64 = 125∛ab = ∛125 = 5So the expression becomes:
m³ = 16 - 3[tex]\sqrt[3]{125a} + \sqrt[3]{125b}[/tex]m³ = 16 - 15∛a + 15∛bm³ = 16 - 15(∛a - ∛b)m³ = 16 - 15mSolve for m:
m³ + 15m - 16 = 0m³ - 1 + 15m - 15 = 0(m - 1)(m² + m + 1) + 15(m - 1) = 0(m - 1)(m² + m + 16) = 0m - 1 = 0, m² + m + 16 = 0m = 1 is the only real root, the quadratic equation has no real rootsThe answer is 1
EVERYONE PLZ PLZ PLZ ANSWER THIS QUESTION
Answer:
the answer is definitely c
Answer:
C
Step-by-step explanation:
Hope this helps! Have a nice day :D
PLEASE PLEASE HELP. I’ve wasted so many points on this problem :(
Answer:
13 cm
Step-by-step explanation:
A^2+12^2=15^2
A^2+144=225
A^2=81
A=9
9x2=18
31-18=13 cm
Find the perimeter of a rectangle whose width is 3 cm and whose diagonal is 3 √5 cm long.
A^2+3^2=3√5^2
A^2+9=45
A^2=36
A=6
3+3+6+6=18 cm
A pallet weighs 475 pounds when it has 25 cases of soda on it.
Each case of soda weighs 19 pounds.
Write a linear equation in point-slope form that will give the weight in pounds, y, for
any number of cases of soda, x.
Answer:
y=25x+19
Step-by-step explanation:
you take the number of cases and add 19 to it then you have your y-intercept making your answer y=25x+19
Answer:
y – 475 = 19 (x – 25)
Step-by-step explanation:
Solve problem using substitution
a = 3b + 1
5b - 2a = 1
A rectangular pool is 6 feet by 12 feet. A 4 foot walkway is placed around the entire pool. What is the area of just the walkway?
PLEASEE HELP
A tea shop brewed 8 7/8 pitchers of chamomile tea, of which it sold 2 3/5 pitchers. How many pitchers remained unsold?
Answer:6 11/40
Step-by-step explanation: You can change your units to decimals or to fractions of equal value. Decimals are easier for this so 8 7/8= 8.875 and 2 3/5 =2.6. Then subtract: 8.875-2.6= 6.275 You can now convert back to a fraction by simplifying the .275 into 11 by dividing by 25 and 1000 into 40 by dividing by 25. 6+11/40= 6 11/40 tea left
Answer:
6 11/40
Step-by-step explanation:
First you have to convert the fractions into improper fractions, where 8 7/8 would turn into 71/8 and 2 3/5 would turn into 13/5. Then you have to find a common denominator which would be 40, so you get 355/40 and 104/40. Then to find the remaining amount, you have to subtract 104/40 from the 355/40, so 355/40 - 104/40, which equals 251/40. This turns into 6 11/40, which can't be simplified any further. Hope this helps :)
Carlos is a business marketer. He earns $28.75 per hour. He works 3934 hours. What is
his straight-time pay?
Answer:
113,102.5Step-by-step explanation:
Mr Hall walked of the way from his house to work.
He walked 6 miles.
How far is it in total from his house to work?
?
6 miles
Answer:
6 miles
Step-by-step explanation:
In a video game, a guppy that escapes a net turns into three goldfish. Each goldfish can turn into two betta fish. Each betta fish can turn into two angelfish. Complete the diagram and write the number of fish at each stage. Write and evaluate an expression for the number of angelfish that can be formed from one guppy
Answer: 1 guppy = 3 goldfish
1 goldfish = 2 betta fish.....so 3 goldfish = (3 * 2) = 6 betta fish
1 betta fish = 2 angel fish....so 6 beta fish = (6 * 2) = 12 angel fish
so the number of angelfish that can be formed by 1 guppy is 12 angelfish
how many yards
carpeting is needed to cover a 60 feet length room and 40 feet width
Answer:
[tex]266[/tex] [tex]\frac{2}{3}[/tex] [tex]yards[/tex]
Step-by-step explanation:
1. Approach
First, convert the dimensions of the room from feet to yards. Remember, the conversion rate between feet and yards is, [tex]3feet=1yard[/tex]. Next, find the area of the room by multiplying the length by the width.
2. Convert the unit of measurement
The measurement unit is given in feet, one must convert it into yards. The conversion rate between yards and feet is, [tex]3feet=1yard[/tex].
[tex]60feet=20yards\\\\40feet=13\frac{1}{3}yards[/tex]
3. Find the area of the room
Now multiply the length by the width to find the area of the room.
[tex]20yards*13\frac{1}{3}yrads\\\\= 20 * \frac{40}{3}\\\\=\frac{800}{3}\\\\= 266\frac{2}{3}_{.}yards^{2}[/tex]
There were 35 apples in a basket. Martha found that 6 apples were rotten. Select two statements that are true.
Answer:
The ratio of the number of rotten apples to the total number of apples is 6:35
The ratio of the number of good apples to the number of rotten apples is 35:6
Step-by-step explanation:
If you look at the wording the orders are switched.
Rotten apples: Good apples
Good apples: Rotten apples
The circumference of a circle is the around it?
Answer:
Yes
Step-by-step explanation:
Please answer this worksheet for me. It will help so much. I gave 30 points for this question. Don't make it wasted. Person with the correct answers will get brainiest. Everybody will get a thanks though.
Answer: im doing it on a different page but the answers are there
Step-by-step explanation: hopes this helps :)
What is the product of
(3y^-4) (2y^-4)
Answer:
Step-by-step explanation:
3(2)* y-4*y-4
6 y to the negative 8
if my answer helps please mark as brainliest.
Need help will give you the brainliest
Answer:
The answer is 3v + 5w
Step-by-step explanation:
simple add how many v's there are which are 3 so its 3v and count how many w's there are which is 5 so 5w all together is 3v+ 5w
hope this helps!
Find the missing side length of this right triangle
I'll give brainliest
Answer:
its 2/3
my bad
Za 30 dag żurawiny zapłacono 9,75zł. Oceń prawdziwość każdego zdania.
Step-by-step explanation:
Odpowiedź:
9.75zł :3 = 3.25zł
3.25zł x 4 = 13zł - Prawda
3.25zł x 10 = 32.50zł - Prawda
Liczę na najlepsze.
which graph represents exponential decay?
Answer:
I THINk i did this but i will try to reamber
Step-by-step explanation:
is (0,-4)a solution ?
Please help :/ marked brainly
Answer:
Not enough informations
Answer:
no its -4
Step-by-step explanation:
PLEASE HELP ASAP Jada made 10 cups of blueberry jam and divided the jam equally among 4 containers. How much jam went in each container?
2/5 OF A CUP
1/10 CUP
5/2 OF A CUP
40 CUPS
Answer:
C.
Step-by-step explanation:
10 cups divided by 4 containers = 2.5 or 5/2 cups per 1 container
I am stuck with the above question, please help
Answer:
D
Step-by-step explanation:
Two lines are parallel if they have the same slope.
the given equation is in the form
y=mx+b
where
m=-5/2
b=-7
m is the slope. You can see this by noting that if you increase x by 1 you increase y by m.
So, in this case, you are looking for a line with slope of -5/2.
You can solve each of the choice equations for y to see which one has the right slope.
A: y=(2/5)x-6 no good
B: y=-(2/5)x-1 no good
C: y=(5/2)x-4 no good
D: y=-(5/2)x-4 GOOD
At the city museum, child admission is $5.30 and adult admission is $8.60. On Wednesday, 155 tickets were sold for a total of $1049.20. How many adult tickets were sold that day
Answer:
122 adults
Step-by-step explanation:
1049.20(price of tickets sold)÷8.60(ticket price per adult)=122
Graph the following word problem and then write an equation: Jamal started with $4 in his savings and makes an additional $3 per week.
Answer:
use desmos
Step-by-step explanation:
put y=3x+4 and make a graph from that its really helpful trust me
A rate of change must be positive
Answer:
A rate of change can be positive or negative.
Step-by-step explanation:
Pls Help!!! Evaluate each expression for the given value of each variable.
...
x/7 - 3 is greater than or less than 7
Answer:
less than
Step-by-step explanation:
pls mark brainliest
hope this helps
what is 4,390.44 + 8.399, and show work pls
Answer:
4,398.839
Step-by-step explanation:
4,390.440 + 8.399=x
.000+.009=.009
.04+.09=.13
.4+.3=.7
.009+.13+.7=0.839
---------------------------
4390+8=4398
----------------------------
4398+0.839=4398.839
Can someone help me with this math!
Answer:
45
Step-by-step explanation:
((100-25)/100)× 60 is the correct answer