Answer:
9
Step-by-step explanation:
2a-10-15=3
2a=18
a=9
hope you get the explanation
Answer:
a = 9
Step-by-step explanation:
2(a-5)-5=3
2a-10-5=3
2a-15=3
2a=18
a=9
Fill in the blank so that the ratios are equivalent. 3:9 and 6:
Answer: 18
Step-by-step explanation: The ratio 3:9 is equivalent to 1:3. This means that whatever number on the left side of the ratio should be multiplied by 3 to get the one on the right. 6 x 3 = 18.
The value of the unknown number for the fraction is equal to 18.
What are ratios and proportions?An ordered pair of numbers a and b, represented as a / b, is a ratio if b is not equal to 0. A proportion is an equation that sets two ratios at the same value. The numerical relationship between two values demonstrates how frequently one value contains or is contained within another.
Given that the ratio is 3:9 then the value of the unknown number will be calculated as,
The ratio 3:9 is equivalent to 1:3. This means that whatever number is on the left side of the ratio should be multiplied by 3 to get the one on the right.
The unknown number will be,
6 x 3 = 18.
Therefore, the value of the unknown number for the fraction is equal to 18.
To know more about ratios and proportions follow
https://brainly.com/question/2914376
#SPJ2
How do you write 25/50
as a percentage?
Answer:
50%
Step-by-step explanation:
Converting a fraction such as 25/50 into a percent is pretty easy.
All you have to do is divide the numerator by the denominator and then multiply that result with 100 like so:
(Numerator/Denominator)*100
Then you enter 25/50 into the above formula, you get (25/50)*100 which calculates to:
50%
:)
Hope this helps!
Which expression is equivalent to -15x + 39?
Answer:
56x
Step-by-step explanation:
i think
t The function f(t) = 390(1.0085) 365 represents the change in a quantity over t days. What does the constant 1.0085 reveal about the rate of change of the quantity?
The function is (growing/decaying) exponentially at a rate of _% evey ___.
Answer: The function is *growing* exponentially at a rate of *0.85%* every *year*
Step-by-step explanation:
The function is growing exponentially at a rate of 0.85% every year.
What is the exponential decay equation?The exponential decay equation is given by:-
y = (1 ± r)ⁿ
Where r is the rate of decay and A is the initial amount and n is the time period.
The function is given in the question below as:
The function f(t) = 390(1.0085)³⁶⁵ ....(i)
This represents the change in quantity over t days.
As per the given exponential decay equation,
⇒ f(t) = 390(1.0085)³⁶⁵
We can above function rewrite as:
⇒ f(t) = 390(1 + 0.0085)³⁶⁵
⇒ f(t) = 390(1 + 0.85/100)³⁶⁵
⇒ f(t) = 390(1 + 0.85%)³⁶⁵
Compare to the standard exponential decay equation, and we get
⇒ r = 0.85%
Therefore, the function is growing exponentially at a rate of 0.85% every year.
Learn more about exponential growth and decay here:
brainly.com/question/2193820
#SPJ2
Who ever answers this first gets brainly
Answer:
d
Step-by-step explanation:
Michael sold 24 fruit bars for the band fundraiser he earned $18 for his band uniform how many more fruit bars would he need to sell on order to earn another $5.25
Answer:
New number of fruits sold = 7 fruits
Step-by-step explanation:
Given:
Total number of fruits = 24
Amount raised = $18
More amount need to earn = $5.25
Find:
New number of fruits sold
Computation:
New number of fruits sold = [24 / 18]5.25
New number of fruits sold = 6.9999
New number of fruits sold = 7 fruits
A man is filling an empty 5-gallon bucket with water at a constant rate. there are 2.4 gallons of water in the bucket after filling the bucket for 12 minutes. At what rate, in gallons per minute, is the man filling the bucket ?
Answer: The answer is 0.2
Step-by-step explanation: 2.4g / 12 minutes
0.2g/minutes
John earns $28.50 tutoring for 3 hours. At this rate, how much money will he earn in 8 hours of tutoring? (Use the $ in your answer).
Answer:
$76
Step-by-step explanation:
Hope it helps! If so can I get brainliest
I don’t get this help
Answer:
its the 4th one
Step-by-step explanation:
Sasha bought 12 pounds of blueberries. She put the same amount of blueberries into each of 5 bags, with none left over. Which choice correctly describes the amount of blueberries that Sasha put into each bag?
A. between 2 and 2 1/3 pounds
B. between 3 and 3 1/3 pounds
C. between 2 1/3 and 2 2/3 pounds
D. between 2 2/3 and 3 pounds
Answer:
Step-by-step explanation:
The number of blueberries that Sasha put into each bag will be 2 ²/₅ pounds. Then the correct option is C.
What is Algebra?Algebra is the study of abstract symbols, while logic is the manipulation of all those ideas.
The acronym PEMDAS stands for Parenthesis, Exponent, Multiplication, Division, Addition, and Subtraction. This approach is used to answer the problem correctly and completely.
Sasha bought 12 pounds of blueberries. She put the same amount of blueberries into each of the 5 bags, with none left over.
⇒ 12 / 5
⇒ (10 + 2) / 5
⇒ 10 / 5 + 2 / 5
⇒ 2 ²/₅
The number of blueberries that Sasha put into each bag will be 2 ²/₅ pounds. Then the correct option is C.
More about the Algebra link is given below.
https://brainly.com/question/953809
#SPJ2
The perimeter of a square is 48 cm.
What is the length of the diagonal?
Answer:
The answers is the following d≈16.97cm
Step-by-step explanation:
Simplify to find the quotients . 24. ) (a ^ 8)/(a ^ 3)
Answer:
a^5 is the answer
Step-by-step explanation:
a^8 / a³
= a^8 - 3
= a^5
Answer:
a^5
Step-by-step explanation:
Hey, guys does your tutoring thing still work?
Answer:
well we have school online, so yea i guess it still works, unless you're talking about something else lol
Answer:
yeah minework
Step-by-step explanation:
During their field trip the students had the following lunch options. For their main meal they had four options: Sandwich, Burger, Pizza and Chicken Tenders. For drinks their options was limited to two options Water and Gatorade. And for their side order they had two options: chips or fries. What is the probability than the next person will choose to have Chips for their meal?
Answer:
50%
Step-by-step explanation:
beacuse their are only 2 options which means 50% for each option. so when the student goes to pick there is a 50% chance their pick either one.
pls answer i need help
Answer:
the first one is 2/4 and 3/6
the second one is 4/6 and 6/8 and the equation is
3/4 times 4/6 = .5
Step-by-step explanation:
I need help with geometry
Answer:
It 12
Step-by-step explanation:
This is because the scale factor between the triangles is 1.75, so I divide 21 by 1.75 and got 12
Hope this helped
We first have to find 2 pairs of sides that proportional.
35/20=42/24=7/4
and 21/b should be 7/4 as well because if we want the triangles to be similar the sides should be in proportion.
21/b=7/4
84=7b
b=12
Done!
Hope this helped, any questions about this just ask in the comments and I will answer.
What’s the value of x?
Subtract h - 1 from
h+4.
Oh+5
o h+5
1h
4
h+3
Answer:
Step-by-step explanation:
(h + 4) - (h-1) = h + 4 + h*(-1) - 1*(-1)
= h + 4 - h + 1
= h - h + 4 + 1
= 0h + 5
Please help will mark brain!
Carla plumbing charges $25 for a service call and $28 per hour, h, for labor for any repair. The total cost , t, for a repair can be calculated using the equation below
Mr Callahan paid a total of $165 for repair. How many hours did it take to complete his repair
Answer:
It took 5 hours
Step-by-step explanation:
Because 28 times 5 is 140 plus 25 for the call is 165.
30 POINTS! PLEASE HELP ME OUT! Find the values of the variables in the parallelogram. The diagram is not to scale.
Answer:
B
Step-by-step explanation:
X = 29 by the alternate interior angles
y = 49 by the triangle sum theorem
z = 102 because the opposite sides of a parallelogram are congruent
Answer:
b. x = 29°, y = 49°, z = 102°Help please! Due in 30 minutes!
Use complete sentences to answer the following question.
1. Choose one of the properties of exponents (for example, the Power of a Power Rule). Explain how the property works, and provide an example of the property.
Answer:
Product of a Power: When you multiply exponentials with the same base, you add their exponents (or powers). Power to a Power: When you have a power to a power, you multiply the exponents (or powers). Quotient of Powers: When you divide exponentials with the same base, you subtract the exponents (or powers).
Step-by-step explanation:
Answer:
What is the Power rule?
The Power rule tells us how to differentiate expressions of the form x^nx
n
x, start superscript, n, end superscript (in other words, expressions with xxx raised to any power):
\dfrac{d}{dx}x^n=n\cdot x^{n-1}
dx
d
x
n
=n⋅x
n−1
start fraction, d, divided by, d, x, end fraction, x, start superscript, n, end superscript, equals, n, dot, x, start superscript, n, minus, 1, end superscript
Basically, you take the power and multiply it by the expression, then you reduce the power by 111.
Example: What is the derivative of x2 ?
For x2 we use the Power Rule with n=2:
The derivative of x2 = 2x(2-1)
= 2x1
= 2x
Answer: the derivative of x2 is 2x
I NEED HELP PLEASE !!!!
Answer:
I'd say D, if I'm wrong please let me know. but I'm 100% sure it's D
What is the value of x?
Enter your answer in the box.
x =
NOTE: Image not drawn to scale.
Triangle G E H with segment E D such that D is on segment G H, between G and H. Angle G E D is congruent to angle D E H. E G equals 44.8 millimeters, G D equals left parenthesis x plus 4 right parenthesis millimeters, D H equals 35 millimeters, and E H equals 56 millimeters.
Answer: The value of x is 24
Step-by-step explanation:
I took the test trust me
Solve for x. Trapezoids
Answer:
I think x=3.9
Step-by-step explanation:
I think the midline is the bottom value divided by 2 so that means 61/2=30.5. then 30.5-11=19.5. then 19.5/5=3.9
Isabel’s class has collected 90 cans in a food drive. They plan to sort the cans into n bags, with an equal number of cans in each bag. Write an expression to show how many cans there will be in each bag.
Answer:
90/n
Step-by-step explanation:
There are 90 cans, and each bag MUST have an equal amount of cans, so if we had, let's say 2 bags, then there would be 45 bags. We got this by doing 90/2. 2 being n, the expression would be 90/n.
Please help need done fast!
Fill in the blank. Given below, you can conclude that OD is congruent to _______.
A. AB
B. circle O
C. OB
D. EF
Answer:
c
Step-by-step explanation:
The line segment OD is congruent to line segment OB. Therefore, option C is the correct answer.
What is the relation between equal chords and radius?Equal chords of a circle are equidistant from the center of the circle.
From the given figure, AC=EF=9.07.
So, AC and EF are equal chords.
Since, the chords are equal, they are equidistance from center.
Then, OD=OB
Therefore, option C is the correct answer.
To learn more about the circle theorems visit:
https://brainly.com/question/19906313.
#SPJ7
HELP PLEASE PLEASE!!!
4,518 is divisible by 6
a. true
b. false
Answer:
true
Step-by-step explanation:
4,518÷6=753
ignore this answers have to be at lest 20 characters