Answer:10 liter * 20%= x liter*40% + (10- x) liter*5%
10l * 20%= x liter * 35% + 10 liter*5%
x liter *35 = 10l * 20 - 10l *5= 10l*15
x liter = 10l *15/35= 4.28 L= 4.3L
The volume of 40% solution= 4.3L
The volume of 5% solution= 10L- 4.3L= 5.7L
Step-by-step explanation:
In this question, you want to make 10 liters 20% concentration solution by mixing 5% and 40% concentration. There should be multiple answers to this question. Assuming that the total volume of 5% and 40% solution equal to 10L(no solution wasted), then you can determine the volume of solution needed. The formula should be:
What's the value of
[tex] \sqrt{3 \times 3} [/tex]
Answer:
3.
Step-by-step explanation:
Square root is the opposite of power. Simplify:
[tex]\sqrt{3 * 3 } = \sqrt{3^2} = 3[/tex]
3 is your answer.
~
Answer:
√{3×3}=√3²=±3 is your answer
I’m confused on this question
Answer:
percent will be
65÷90×100which the answer will be
72.2%Step-by-step explanation:
hope it helps
A tank contains 550 gallons of water. When the valve is opened, the tank drains at a rate of 12 gallons per minute. Which function shows the relationship between the time t the valve is opened and the amount of water in the tank?
Answer:
y= 550-12x
Step-by-step explanation:
Given data
Content of tank= 550 gallons
Rate of drain= 12gallon per minute
let the time it will take to drain all 550 gallons be x minutes
Hence the expression for amount of water in the tank after x minutes will be
y= 550-12x
Nicole makes $6.25 an hour babysitting. How much money will Nicole earn if she works 12 hours?
Answer:
$75
Step-by-step explanation:
Nicole makes $75 in 12 hours.
I hope this helped, if you have any other questions you may ask me.
Kala deposits $7000 into an account that pays simple Interest at a rate of 4% per year How much interest will she be paid in the first 4 years?
Can someone help me find the mistake!!!!!
Answer:
She supposedly multiplies 4*4*16*-3y but distributes it correctly as if she put (16*4)+(4*-3y) which equals 64-12y.
The work shown is a mistake, the answer of y=5 isn't.
what’s the slope for this graph ??
Answer:
M = 0
Step-by-step explanation:
Straight line is always slope of 0
Answer:
Step-by-step explanation:
Slope is defined as
m=(y2-y1)/(x2-x1) in this case
m=(5-5)/(5- -5)
m=0/10
m=0
This is a horizontal line, y=5, with a slope of zero.
4x - 7y = -40
3x - 2y = -4
A pack of 8 batteries costs £4.99.
How much does each battery cost?
Give your answer to the nearest penny.
Answer:
0.62
Step-by-step explanation:
4.99/8=0.62
hi please help i’ll give brainliest
Find the percent of change. Round to the nearest tenth of a percent if necessary.
Answer:
What’s the percent Lol
Step-by-step explanation:
Solve each equation: -5(7-8x)-7x=-(3x+1)
Answer:
Step-by-step explanation:
Which of the following is equivalent to the addition problem below?
46.61 + 51.52
A.
(40 + 50) + (6 + 1) + (0.6 + 0.5) + (0.01 + 0.02)
B.
(40 + 50) + (6 + 5) + (0.6 + 0.1) + (0.01 + 0.02)
C.
(40 + 10) + (6 + 5) + (0.6 + 0.5) + (0.01 + 0.02)
D.
(40 + 50) + (6 + 1) + (0.6 + 0.1) + (0.05 + 0.02)
Answer:
A) (40 + 50) + (6 + 1) + (0.6 + 0.5) + (0.01 + 0.02)
Step-by-step explanation:
In this case, you are breaking each term down to it's non-zero digits, and adding them:
46.61 = 40 + 6 + 0.6 + 0.01
51.52 = 50 + 1 + 0.5 + 0.02
Note however, that the answer choices add each individual non-zero terms together:
(40 + 50) + (6 + 1) + (0.6 + 0.5) + (0.01 + 0.02), or A)
A) (40 + 50) + (6 + 1) + (0.6 + 0.5) + (0.01 + 0.02) is your answer.
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if jaylee's snow cone maker can make 800 cubic inches of ice, how many snow cones can she make with the dimensions show below?
What dimensions shown below?
1.5 times 3 in a decimal
Answer:
4.5
Step-by-step explanation:
Find the find the area and the circumference of the circle round your answer to the nearest hundredth
Answer:
area = 452.39 square units
circumference = 75.40 square units
Step-by-step explanation:
area = [tex]\pi r^{2}[/tex]
r = 12
452.389
circumference = [tex]\pi *d[/tex]
d = 2r
r = 12
d = 24
75.398
Last week, Russell bought 8 pizzas and 10 cakes for a total of $160.
Today, Russell bought 26 pizzas and 8 cakes for a total of $226.
Assuming neither item has changed in price, what is the cost of a pizza in dollars?
Answer:
$5
Step-by-step explanation:
Create a system of equations where p is the cost of a pizza and c is the cost of a cake
8p + 10c = 160
26p + 8c = 226
Solve by elimination by multiplying the top equation by -4, and the bottom equation by 5
-32p - 40c = -640
130p + 40c = 1130
Add these together:
98p = 490
p = 5
So, the cost of a pizza is $5
Will give brainliest to whoever figures this out :(
Step-by-step explanation:
I think it's 8.9932×10⁶
Answer:
8,993,200
Step-by-step explanation:
10^3 is 1000
8993.2 * 1000
=
8,993,200
HELP ASAP WILL MARK BRAINLIEST
Answer:
1.
A- about 43.98
B- about 17.59
C- 32.99
Step-by-step explanation:
Answer:
1) 43.98
2) 17.59
3) 32.99
Step-by-step explanation:
hopefully they’re all right
Coach Rivas can spend up to $750 on 30 swimsuits for the swim team. The inequality shown can be used to find the maximum amount in dollars she can spend on each swimsuit. 30p≤750 which inequality represents all the possible values of p,the amount of money in dollars coach Rivas can spend on each swimsuit
Answer:
$0 < p ≤ $25
Step-by-step explanation:
We know that coach Rivas can spend up to $750 on 30 swimsuits.
This means that the maximum cost that the coach can afford to pay is $750, then if the cost for the 30 swimsuits is C, we have the inequality:
C ≤ $750
Now, if each swimsuit costs p, then 30 of them costs 30 times p, then the cost of the swimsuits is:
C = 30*p
Then we have the inequality:
30*p ≤ $750.
To find the possible values of p, we just need to isolate p in one side of the inequality.
So we can divide both sides by 30 to get:
(30*p)/30 ≤ $750/30
p ≤ $25
And we also should add the restriction:
$0 < p ≤ $25
Because a swimsuit can not cost 0 dollars or less than that.
Then the inequality that represents the possible values of p is:
$0 < p ≤ $25
A greeting card cost four dollars before tax. A customer has a 15% discount. Then the 5% sales tax is added. How much will the customer pay for the card?
Given:
Greeting card cost before tax = $4
Discount = 15%
Sales tax = 5%
To find:
How much will the customer pay for the card?
Solution:
It is given that the cost of the greeting card before tax is $4.
After 15% discount, the cost of the greeting card is:
Cost of card after discount [tex]=4-\dfrac{15}{100}\times {4}[/tex]
[tex]=4-0.6[/tex]
[tex]=3.4[/tex]
The cost of card after 5% sales tax is:
Cost of card after tax [tex]=3.4+\dfrac{5}{100}\times 3.4[/tex]
[tex]=3.4+0.17[/tex]
[tex]=3.57[/tex]
Therefore, the customer will pay $3.57 for the greeting card.
LCM of the following 5,8,4
Answer:
40
Step-by-step explanation:
5 x 8 = 40
8 x 5 = 40
4 x 10 = 40
Answer:
40
Step-by-step explanation:
5: 5, 10, 15, 20, 25, 30, 35, 40
8: 8, 16, 24, 32, 40
4: 4, 8, 12, 16, 20, 24, 28, 32, 36, 40
plz help simplify 8/10
[tex]\frac{8}{10}[/tex] → [tex]\frac{4}{5}[/tex]
8 and 10 can both be divided by 2. So, 8 ÷ 2 is 4 and 10 ÷ 2 is 5.
Hope this helps :)
Answer:
4/5
Step-by-step explanation:
okay so to simplify, we first need to find the GCF of 8 and 10. The GCF of 8 and 10 would be 2. We now divide both 8 and 10 by 2. That will give us 4/5.
[tex]\frac{8}{10}[/tex]÷[tex]\frac{2}{2}[/tex]=[tex]\frac{4}{5}[/tex]
A quadrilateral must be a parallelogram if two the opposite sides are 1. Congruent only 2. Parallel only 3. Congruent and parallel 4 parallel and the other two sides are congruent
Answer:
what’s the question
Step-by-step explanation:
1. Opposite Sides Theorem Converse: If both pairs of opposite sides of a quadrilateral are congruent, then the figure is a parallelogram. 2. Opposite Angles Theorem Converse: If both pairs of opposite angles of a quadrilateral are congruent, then the figure is a parallelogram.
How do i get my grade up in algebra 1 honors? i am in middle school taking the class early and i dont wanna fail
Answer:
just do the assignments get help when neccesary ask the teacers if they have any extra credit materials
Step-by-step explanation:
change the following to algebraic expressions
nine times a number decreased by 11
Step-by-step explanation:
let the number be X
so,
X^9 - 11
Answer: the answer is -4
[tex]25x |2| - 16 \: \\[/tex]
Answer:
Step-by-step explanation:
a² - b² = (a +b)(a - b)
[tex]5x^{2} - 16 = 5^{2}x^{2} - 4^{2} \\\\= (5x)^{2}-4^{2}\\\\=(5x + 4)(5x - 4)[/tex]
Which ratios correctly compare bananas to apples, as shown in the picture ( 6 apples in a circle and 1 banana in the center ) check all that apply.... Pls help
Answer:
6:1
Step-by-step explanation:
There are 6 apples t o1 banana
(This is all i can do would have been easier with picture)
7m – 3m – 6 < 6 Solve each inequality and graph the solution.
Answer:
3
Step-by-step explanation:
Step-by-step explanation:
7m - 3m - 6 < 6
4m - 6 - 6 < 0
4m - 12 < 0
4m < 12
m < 12 ÷ 4
m < 3
PLEASE HELP QUICKLY!!!!!! ILL GIVE BRAINLIEST
Which equation could be solved using this application of the quadratic formula?
Answer:
Step-by-step explanation:
A.) x² + 1 = 2x − 3 Make the equation into ax² + bx + c = 0. Subtract 2x on both sides, and add 3 on both sides to set the equation equal to 0
x² + 1 - 2x + 3 = 2x - 2x - 3 + 3
x² - 2x + 4 = 0
a = 1
b = -2
c = 4 This is not the answer because b = 2 not -2, and c = -4 not 4
B.) x² - 2x − 1 = 3 Subtract 3 on both sides to set the equation = 0
x² - 2x - 4 = 0
a = 1
b = -2
c = -4 This is not the answer because b = 2 not -2
C. x² + 2x - 1 = 3 Subtract 3 on both sides to set the equation = 0
x² + 2x - 4 = 0
a = 1
b = 2
c = -4 This is your answer
D. x² + 2x - 1 = -3 Add 3 on both sides to set the equation = 0
x² + 2x + 2 = 0
a = 1
b = 2
c = 2 This is not the answer because c = -4 not 2
Hope this helps :)