Solve the equations:
1. 9x - 5 = 5x + 7
2. 8x - 2 = x - 16
3. 8x + 5 = 2x + 23
4. 2x + 8 = 5x + 20
5. 5(2x + 6) = 3x - 5
Answer:
5(x – 4) + 3x – 9x = 6 – (2x + 5) + 8x
step1:- 5x - 20 + 3x - 9x = 6 - 2x - 5 + 8x
step2:- 5x + 3x - 9x - 20 = 8x - 2x + 6 - 5
-x - 20 = 6x + 1
stp 3
-20 = 7x + 1
step 4
-21 = 7x
divide both sides by 7:-
-3 = x
thats the solution x = -3
Answer:
1. X=3, 2. X= -2, 3. X=3, 4. X= -4
A 12,000-gallon pool is being filled at a rate of 40 gallons per minute. At this rate, how many minutes will it take to fill the pool 3/4 full?
Answer:
It would take 225 minutes to fill up 3/4 of the pool
Step-by-step explanation:
Graph -3.5 and -1.5 on the number line.
Answer:
ok i kow this hold on
Step-by-step explanation:
please help ill give brainliest
Answer:
The answer is -5
Step-by-step explanation:
15 divided by -3 is -5
positive number divided by a negative number is a negative number :)
hope this helps
One stamp is randomly selected from a 10-by-10 sheet of 100 stamps. What is the probability that the stamp selected is not along an outer edge? Express your answer as a common fraction. Plz answer as soon as possible... thx!
The required probability of not stamp not along an outer edge is 8/25.
What is a fraction?A fraction is a numeral that represents a rational number.
Let a and b be two numbers, then their fraction can be represented as a/b.
Given that,
Total numbers of stamp in a stamp sheet of 10 by 10 = 100,
On one edge there would be 10 stamps but on each diagonal there will be 1 stamp common,
Therefore, total number of stamps on outer edge will be = 9 x 4 = 36
Remaining stamps = 100 - 36 = 64
The fraction value of 64 out of 100 = 64 / 100 = 8 / 25
The required fraction value of stamps is 8 / 25.
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need help, please
brainly
Answer:
a
Step-by-step explanation:
ASAP PLS ANSWER I DEAD
Answer:
Variables: you are correct
Coefficients: -2
Constant: 3/7
Step-by-step explanation:
Variables are letters used in math so you were correct.
Coefficients are numbers with a variable. So to find the coefficient you would look for a number "connected" to a variable. This would be -2 because it is being subtracted from the first term.
The constant is 3/7 because you could put it on a number line.
A number cube is labeled 1 through 6. What is the probability of NOT rolling a 2?
A. 1/6
B. 2/6
C. 3/6
D. 4/6
E. 5/6
Answer:
A. 5/6
Step-by-step explanation:
It would be 5/6 because there are 5 other numbers you could land on and the probablility of rolling it would only be 1/6.
I hope this helps u...
Joshua borrows $300 from his older sister to buy a bike. He promises to pay the total amount plus 5% simple interest in one year. How much will Joshua
I need part A answer and part B answer
Answer:
A is they are proportional, B is they are not proportional
Step-by-step explanation:
Figure the rest out
please help 50 points
Alicia rented bowling shoes for $3 and played 4 games at $2 each. Write and
evaluate an expression for the total cost of bowling.
what is the nearest whole percent of 45
Answer:
Step-by-step explanation: 45% based on the way you state the question. 45% is a whole percent.
round 0.615 to the nearest Hundreth pLEASEEEE HSLPPPP
Answer:
0.62 is the answer
Step-by-step explanation:
Answer:
0.62
Hope this helped have a great day
alan is converting large and small numbers from standard notation to scientific notation. group the numbers according to their powers of 10
Answer:
i am kind of confused by the question but i would say to but all the numbers below 1 in the 10^-4 section and the numbers above 1 in the 10^6.
i might be wrong i don't what the question is really.
Step-by-step explanation:
Alan is converting large and small numbers from standard notation to scientific notation
10⁶ = 4.03 x 10⁶, 2.93 x 10⁶, 5 x 10⁶
10⁻⁴ = 1.2x 10⁻⁴, 6 x 10⁻⁴, 5.9 x 10⁻⁴
What is the scientific notation of a number?The standard form for a number is a method by which we write number in a format like b×10ˣ. The value of b should be in between 0 to 10.
Given that,
The numbers,
0.00012, 4030000, 2930000, 0.0006, 5000000, 0.00059
Taking number, 0.00012
To convert it into scientific notation,
It should be in from of b×10ˣ,
So, now dividing and multiplying 10000 into the number 0.00012,
⇒ 0.00012 x (10000/10000)
⇒ (0.00012 x 10000)/10000
⇒ 1.2/10000
⇒ 1.2x 10⁻⁴
Similarly,
0.0006 can be written as 6 x 10⁻⁴
And 0.00059 can be written as 5.9 x 10⁻⁴
Now taking number, 4030000
To convert it into scientific notation,
It should be in from of b×10ˣ,
So, now dividing and multiplying 1000000 into the number 4030000,
⇒ 4030000 x (1000000/1000000)
⇒ (4030000 / 1000000) x 1000000
⇒ 4.03 x 1000000
⇒ 4.03 x 10⁶
Similarly,
2930000 can be written as 2.93 x 10⁶
And 5000000 can be written as 5 x 10⁶
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A rectangular prism is shown below. What is the lateral surface area?
Answer:
the answer is 110 because 5 times 2 equals 10 and 10 times 11 is 110
Answer:
2(11)(5)+2(11)(2)+2(2)(5)=110+44+20=174
174 Square Centimetres
someone plz help im giving out brainliest ;)
Answer: the slope means the triangle have a side length of 3 and the slope means that the equilateral triangle have a perimeter of 0.
Step-by-step explanation:
Hope this helps ;)
What is one constant of proportionality for this situation? *
Answer:
The constant of proportionality is the ratio between two directly proportional quantities. In our tomato example, that ratio is $3.00/2, which equals $1.50. Two quantities are directly proportional when they increase and decrease at the same rate.
Step-by-step explanation:
what is the slope of the line passing through the point(2,-1) and the origin.
This is the whole question, no picture came with it.
Answer:
- 1/2
Step-by-step explanation:
(0,0) (2,-1)
m = difference of y/difference of x = (-1 - 0) / (2 - 0) = - 1/2
y = - 1/2 x
An animal shelter has a ratio of cats to dogs that is 9:7. What fraction of these animals are dogs?
Answer:
For the answer I would say 7, the fraction of dogs is 7/7
:D hiiii im back with another most likely easy questionnnnnnnnnnnnnnnnnnnnnn
Answer: The answer is 75
20/4=5
5*15=75
i will give brainlest to the first person to answer this question:
While at the grocery store, Mrs. Martin noticed that there were two different sized bottles of hot sauce, one was 16.9 ounces and the other 32.55 ounces. What is the difference in weight of the two bottles of hot sauce?
Answer:
15.65 ounces
Step-by-step explanation:
You have to subtract 16.9 from 32.55. This gives you 15.65 ounces.
Answer:
15.65 ounces
Step-by-step explanation:
I hope it's right :)
By how much did the price of the stock change from the beginning of Week 1 to the end of Week 4?
Answer:
It changed by 1.2
Step-by-step explanation:
1.5 divided by 1.25 equals 1.2
1.25 times 1.2 equals 1.5
Hope I helped!! :)
Sorry if it's wrong! :(
Pls mark brainlist!!!
Answer:
um you add then you i dont know to how to explain this
Step-by-step explanation:
Seventy-two people signed up for the soccer league. After the players were evenly divided into teams, there were 6 teams in the league and x people each team.
Answer:
There are 12 people in each team
Step-by-step explanation:
72:6=12
Answer:
that means x equals 12
Step-by-step explanation:
because 72 divided by 6=12
Please help please and please actually answer please
Answer:
#3
Step-by-step explanation:
Answer:
it's the last one
Step-by-step explanation:
last one
help me with my mth please
Answer:
6. Yes, there is a way to tell. Perpendicular when the product of the slopes equal -1. Parallel = same slope. Same line = same equation(maybe written in different ways like point-slope or standard form).
7. The equations in system 4 are parallel because they have the same slope.
1. purple box = y=-3x+5
green box = y= 4x-3
blue box = y= -2/3 + 2
Step-by-step explanation:
Help, im timed :(((
will mark branliest
Answer: it is D)
Step-by-step explanation:
Which of the following numbers is written in scientific notation?
A. 17
B. 17 × 106
C. 3.734 × 10–14
D. 3.734
Answer:
i think is b
Step-by-step explanation:
Diego’s history teacher writes a test for the class with 26 questions. The test is worth 123 points and has two types of questions: multiple choice worth 3 points each, and essays worth 8 points each.
How many essay questions are on the test? Explain your reasoning.
At Breakfast Break, 2 eggs and 1 sausage patty cost $2.23 and 3 eggs with 2 sausage patties cost $3.76. Assuming that these amounts only pay for the eggs and sausage, how much does one sausage patty cost?
Cost of one sausage patty is $0.83.
What is an equation?An equation is a combination of different variables, in which two mathematical expressions are equal to each other.
Given that,
Cost of 2 eggs and 1 sausage patty = $2.23,
Cost of 3 eggs and 2 sausage patties = $3.76.
Write above expression in equation form,
2 eggs + 1 patty = 2.23 (1)
3 eggs + 2 patties = 3.76 (2)
To find the cost of patty, multiply equation (1) with 3 and equation (2) with 2,
6 eggs + 3 patties = 6.69 (3)
6 eggs + 4 patties = 7.52 (4)
By solving equation (3) and (4)
1 patty = 0.83
The cost of 1 sausage patty is $0.83.
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Please help with math
Answer:
Ok here are the answers:
6: B
7: B
8: C
9: D
10: A
Have a good day! :)
Answer:
Step-by-step explanation:
6 is B (second)
7 is B (second)
8 is C (third)
9 is D (last)
10 is A (first one)