Solve the equation x – 15 = 42.
x=
Answer:
x = 57
Step-by-step explanation:
42 + 15 = 57
C=-a/b what does a equal
Answer:
a = -bc
Step-by-step explanation:
We are given the equation:
c = -a/b
Because multiplication and division are inverse operations, if we move b over to the other side, since it was dividing on the right side, it would be multiplied on the other side (I don't know how to explain that well)
so you can make it look like this:
b*c = -a
Or:
-a = b*c
Then, do isolate a, we will have to divide by -1 on both sides
a = -b*c
To check this, we can plug in numbers
-8 = -16/2
-16 = -8*2
16 = 8 * 2
Let me know if you have any questions
Evaluate the expression . 3/4•1/2+1
Find the length of the third side. If necessary, write in simplest radical form.
3
6
Answer: 5.2 units
Step-by-step explanation:
This is a right-angled triangle which means that the missing length can be solved using the Pythagorean theorem:
c² = a² + b²
Where c is the hypotenuse
a and b are the other sides.
c = 6
a = 3
b = ?
6² = 3² + b²
36 = 9 + b²
b² = 27
b = √27
b = 5.2 units
Answer:
its 3√3
Step-by-step explanation:
PLS HELP EASY ALGEBRA LOTS OF POINTSSS AND BRAINLIEST
Answer:
Boy that's CAAAPPPPP.
Step-by-step explanation:
Answer:
The answer is a = 12 and b = 9.
Step-by-step explanation:
For starters 12 + 9 equals 21 and when you multiply 3/4 by 12 it gets you nine so both those statements are accurate if you choose this answer.
Amy sold 338 flowers at the market today. If each bunch has 13 flowers in it, how many bunches did Amy sell?
A. 24
B. 26
C. 62
D. 23
Answer:
26
Step-by-step explanation:
338 / 13 = 26
26 batches of 13 flowers are equal to 338.
Christy bought 4 feet of cotton cloth . How many inches did she buy ?
Answer:
48
Step-by-step explanation:
1 foot is 12 inches
12x4=48
Answer: 48
Step-by-step explanation:
Good luck <3
1. What is the value of n in -57 - n = -144?
A-201
B-87
C 87
D 201
Answer:
C=87
Step-by-step explanation:
To isolate the variable, you need to take away -57 by adding it to -144.
Then, you'd see:
-n=-87
Next, you divide both sides by -1 to get 87
There are 450 student at a school if each classroom codes 30 students How many classrooms are Needed at the school
Answer:
15 rooms are needed at the school
Step-by-step explanation:
Solve:
Divide 450 (the number of students) by 30 (the number of students per classroom)
450/30= 15
Check your work:
30*15= 450
Hope this helps!
Give the coordinates of the points on the coordinate plane.
1. A (____ , ____)
2. B (____ , ____)
3. C (____ , ____)
4. D (____ , ____)
5. E (____ , ____)
6. F (____ , ____)
LOOK BELOW
Slope and equation
m = 4\5
(6,-5)
Answer:
[tex]y = \frac{4}{5} x -9.8[/tex]
Step-by-step explanation:
I hope this is what you were looking for.
Answer:
y=4/5x-9.8
Step-by-step explanation:
For this you would need to use point-slope form which is: y-y1=m(x-x1)
All you have to do is put in -5 for y1, 6 for x1, and 4/5 for m.
So, the equation should then be y+5=4/5(x-6)
Then, start by solving the right side of the equation by distributing 4/5 into (x-6)
This will then leave you with the equation, y+5=4/5x-24/5
Next, you have to subtract both sides by 5.
Once done, your final answer should be y=4/5x-9.8
What is the solution to this equation. 7 + ∜m = 9
Answer:
m = 16
Step-by-step explanation:
hope this helps!!!!
What is the total cost of a $12.50 item plus 6% sales tax?
Answer: %13.56
Step-by-step explanation:
what is 13x25+3÷
15 please help im bad at math
Answer:
325.2
Step-by-step explanation:
Three different accounts are described below. Order the accounts according to their values after 10 years, from greatest to least.
You deposit $950 in an account that earns 9% annual interest compounded daily.
= You deposit $1000 in an account that earns 8% annual interest compounded daily.
= You deposit $1000 in an account that earns 9% annual interest compounded semiannually.
= You deposit $1000 in an account that earns 10% simple interest.
Answer:
`1. You deposit $950 in an account that earns 9% annual interest compounded daily.
2.You deposit $1000 in an account that earns 8% annual interest compounded daily.
3. You deposit $1000 in an account that earns 9% annual interest compounded semiannually.
Step-by-step explanation:
Trick question, number 3 says semiannually so it is only twice a year, so it is the least. In math papa or any algebra calculator, put in the two equations and compare which is greater, in this case, y = 950(1.09)^10 is greater than y=1000(1.08)^10
Accounts according to their values after 10 years, from greatest to least. are Account 3, Account 1, Account 2 and Account 4.
What is Percentage?percentage, a relative value indicating hundredth parts of any quantity.
The formula for daily compounding is:
[tex]A = P(1 + r/n)^{nt}[/tex]
where A is the future value,
P is the principal amount,
r is the annual interest rate,
n is the number of times the interest is compounded per year, and t is the time in years.
When we deposit $950 in an account that earns 9% annual interest compounded daily.
A = 950(1 + 0.09/365)³⁶⁵⁰
= $2,436.24
Deposit $1000 in an account that earns 8% annual interest compounded daily.
A = 1000(1 + 0.08/365)³⁶⁵⁰
= $2,223.97
Deposit $1000 in an account that earns 9% annual interest compounded semiannually.
A = 1000(1 + 0.09/2)²⁰
= $2,471.52
Deposit $1000 in an account that earns 10% simple interest.
The formula for simple interest is:
A = P(1 + rt)
where A is the future value, P is the principal amount, r is the annual interest rate, and t is the time in years.
Using this formula, we get:
A = 1000(1 + 0.10(10))
= $2,000
Now we can order the accounts from greatest to least based on their future values after 10 years:
Account 3: $2,471.52
Account 1: $2,436.24
Account 2: $2,223.97
Account 4: $2,000
Hence, accounts according to their values after 10 years, from greatest to least. are Account 3, Account 1, Account 2 and Account 4.
To learn more on Percentage click:
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Write the word sentences as an inequality. A number z is fewer than 3/4.
An inequality that represent this word sentences is?
Answer:
Z<3/4
Step-by-step explanation:
z is less than 3/4.
8. Find the value of x in the isosceles triangle.
The length of a rectangular frame is 4 inches longer than twice the width. If the perimeter is 38 inches, find the dimensions of the frame.
WILL GIVE WHOEVER ANSWERS BRAINIEST
Answer:
The width of the rectangle is 20 inches, and the length is 36 inches.
Step-by-step explanation:
2(2x-4) + 2x = 112
4x - 8 + 2x = 112
6x - 8 = 112
6x = 120
x = 20
I hope this helps️️
Mrs. Hartill drove 3.1 miles to the grocery store, then 4.25 miles to the salon, and 10.8 miles to her sons house. How many miles did she drive altogether?
Answer: 18.15 miles
Step-by-step explanation:
1/8 + 5/8?
7/10 - 3/10
4/12 + 5/12
15/20 - 6/20
15/20 - 6/20
put explation pleaseee
Answer:
6/8
4/10
9/12
9/20
9/20
Step-by-step explanation:
2. How many terms are there in the expression: 3a + 6
Answer: 2
Step-by-step explanation: That expression is a binomial in any case the terms in a polynomial are separated by a plus or minus sign (+,-) so you can determine the number of terms by counting how many number or variable are being separated (ex: 3a+a-1 would have 3 terms and be a trinomial)
If 64= a, then a is equal to
Where are the answers?
Solve for d in terms of r.
r=d/2
d=
Answer:
Step-by-step explanation:
r=d÷2
Multiply both sides by 2
d=2r
Please mark brainliest.
d = 2r
What is simplification?Simplification means to make any equation simple or any large equations to a simple form, simplification can be done with mathematical formula and done for all operators in mathematics.
Given r = d/2
when we transfer digits to other sides of equal they change their sign,
plus tends to minus or vice versa,
and multiply tends to divide or vice versa.
so d = 2r
Hence the solution for d is 2r
Learn more about simplification;
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132 ounces is what percent of 15 pounds?
Answer:
25%
Step-by-step explanation:
Answer:
19.8
Step-by-step explanation:
Which equation in point-slope form describes the line that passes through the point (4,-5) and is perpendicular to
the line represented by - 7x + 2y = 14?
Answer:
18
Step-by-step explanation:
to be 18 7 bitween one is the complet the neme of soit and can be instracttion
Answer:
d
Step-by-step explanation:
y+5=-2/7(x-4)
sin( x+ π/4) + sin( x− π/4 ) = 1
Expand using the Sum Difference formula
Choose the correct set of possible solutions for X in the interval [0, 2\pi ]
https://socratic.org/questions/how-do-you-solve-sin-x-pi-4-sin-x-pi-4-1-over-the-interval-0-2pi
is 2 a factor of 84?
Answer:
yes
Step-by-step explanation:
Factors of 84 : 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42 and 84
Lines A and B are parallel
A
130°/2
34
B
5/6
78
m 25 = [? ]°
Enter
please I will give you brainliest!
Step-by-step explanation:
measure of angle 5 = measure of angle 1 ( corresponding angle)
measure of angle 5 = 130 °
plz mark my answer as brainlist plzzzz.
hope this will be helpful to you.
Lin is paid 90$ for 5 hours of work?
At this rate, how much would Lin be paid for 5.5 hours of work?
Answer:
99 dollars
Step-by-step explanation:
90 divided by 5 equals 18 slice that in half you get 9.
90 + 9 =99
Answer:
the awnser for this question is 99 hope this helps
HELLPPP MEEE ETHIS IS DUE TODAYY
Answer:
Peter rents 6 of the rafts seating 3 people, and 7 of the rafts seating 5 people.
Step-by-step explanation:
Let [tex]x[/tex] denote the number of rafts seating 3 people and [tex]y[/tex] the number of rafts seating 5 people. The total number of rafts is 13, so [tex]x+y=13[/tex]. We can also assume that every raft is filled to the brim (it isn't stated explicitly though, but it's probably the intention of the question maker), so [tex]3x+5y=53[/tex].
It's always a good idea to put these equations under each other:
[tex]\left \{ {{x+y = 13} \atop {3x+5y=53}} \right.[/tex]
We can subtract the first equation three times from the second one to obtain [tex](3x+5y)-3(x+y) = 53 - 3(13)\\3x-3x + 5y - 3y = 53 - 39\\2y = 14\\y=\frac{14}{2} = 7[/tex]
Now, substitute this found value for [tex]y[/tex] into [tex]x+y = 13[/tex] and we see that [tex]x=6[/tex]. We are now done: Peter rents 6 of the rafts seating 3 people, and 7 of the rafts seating 5 people.
................... rafts
