Solve the simultaneous equations.
You must show all your working.
2x+1/2y =13 ---its 1 devided by 2
3x +2y = 17
Answers
Answer:
I hope it solve the problem
Related Questions
Translate the equation into a verbal sentence 3y+8=32
Answers
Answer:
32 Is Eight More Than 3 Times A Number
Explanation:
32 Is Eight More Than: + 8 = 32
3 Times A Number: 3y
Put Everything Together: 3y + 8 = 32
Step-by-step explanation:
Hey there!
3y+8 = 32 --> The sum of thrice of a number and 8 is 32.
Reason:
When solving this word problem, we let "x" as variable as there is unknown number.After that as in word problem it says "thrice a number" it gives 3x.Then as there is "the sum of the unknown number and 8" it means 3x+8.Lastly the sum would be equal to 3x+8=32.So, the word problem for this equation is " The sum of thrice of a number and 8 is 32.
Hope it helps...
−38÷7/12 another math question.
Answers
Answer:
-0.45238095238
Step-by-step explanation:
-38 divided by 7/12= -0.45238095238
The system of linear equations -2x+y=8 and -3x-y=7
Answers
Answer: x=-3, y=2
Step-by-step explanation: -2x+y=8 + -3x-y=7 and you get x=-3 then you put that in to x and pick one of the beginning equations i chose to put -3 in to -2(-3)+y=8 and got 6+y=8 then you subtract the 6 on both sides and should get y=2
Answer:
(-3,2)
Step-by-step explanation:
You can solve it by various methods. These two equations can be solved simultaneously or by matrix method, or even by graphing
Simultaneous is easier so lets get started.
1st equation : [tex]-2x+y=8[/tex]
2nd equation: [tex]-3x-y=7[/tex]
We solve it by using the substitution method which means there are two variables x and y and we substitute one variable in form of another variable.
Like, take the 1st equation
[tex]-2x+y=8\\y=8+2x[/tex]
the equation is arranged in a different manner but its the same thing.
This new equation becomes our new third equation and now we simply put our third equation in our 2nd equation. Like this, take the 2nd equation and substitute it with our 3rd third equation
[tex]-3x-y=7\\-3x-7=y\\-3x-7=8+2x\\-3x-2x=8+7\\-5x=15\\x=-3[/tex]
we get x=-3 and then we put the value of x and in our third equation to get the value of y or we can simply put it in any equation 1st , 2nd , 3rd it will give the same answer. I chose third.
[tex]y=8+2x\\y=8+2(-3)\\y=8-6\\y=2[/tex]
The solution set of our system of linear equations is
(-3,2)
Can someone translate this graph to me? It’s supposed to tell me how much dirt is in cubic yards
Answers
A label printer prints 7 labels in 3.4 seconds. How long will it take to print 56 pages of labels?
Answers
Answer:
27.20seconds
Step-by-step explanation:
hope this helped,brainliest?
y=3x-5 identify y intercept within equation
Answers
Answer: -5
Step-by-step explanation: alrite so when u graph it, the line crosses -5 on the y axis
Answer: -5
Step-by-step explanation:
When written in slope intercept form, which is y=Mx+b, b is the y intercept so in this case it would be -5
You deposit $900 in a savings account that earns a simple interest rate of 4.5% per year. You calculate you will earn $1215 in interest over 3 years. Is your answer reasonable?
A. Yes; the interest will be much less than the total in the account
B. No; the interest will be much less than the total in the account.
C. No; the interest will be more than the total in the account.
D. Yes; the interest will be more than the total in the account.
Answers
Answer:
a..
Step-by-step explanation:
yes the interest will be much less than total than the account
The answer is not reasonable because the interest will be much less than the total in the account.
In order to determine if the answer is reasonable, we have to determine the simple interest that would be earned and the total amount in the account.
Simple interest = amount deposited x time x interest rate
$900 x 0.045 x 3 = $121.50
The total amount in the account in three years = amount deposited + interest earned
$900 + $121.50 = $1021.50.
To learn more about simple interest, please check: brainly.com/question/9352088?referrer=searchResults
I NEED HRLP PLEASE!
HOMECOMING CONCERT: Kaiwan sold 40 tickets for Young Baby Durk NBA for the Howard Homecoming concert. He sold general admission tickets for twenty dollars each and VIP tickets for thirty dollars each. He collected eight hundred and eighty dollars. How many of each kind of ticket did Kaiwan sell? Write a system of equation using g for general admission and v for VIP tickets. Provide evidence of how your got your answer to prove that your answer is correct by writing your final answer in a complete sentence.
Answers
Answer:
he sold 32 general admission tickets
and 8 vip tickets
Solve for x number 9
Answers
Answer:a
Step-by-step explanation:
Solving Steps:
Which property was used to simplify the expression?
mc005-1
distributive property
commutative property
associative property
inverse property
Answers
Answer: C is your asnwer
Step-by-step explanation:
Answer:
it is c
Step-by-step explanation:
Q5.
Here are two fractions.
7/5 and 5/7
Work out which of the fractions is closer to 1
You must show all your working.
Answers
Answer:
5/7
Step-by-step explanation:
You can convert them to fractions to answer:
7/5=1.4
5/7=0.714
7/5 is 0.4 away from 1, while 5/7 is 0.3 away.
Answer:
5/7 is closer
Step-by-step explanation:
7/5= 49/35=1 14/35
5/7= 25/35
7/5 is 14/35 away from one whereas 5/7 is 10/35 away.
a number multiplied by 5 and increased by 7 the result is 62
Answers
Answer:11
Step-by-step explanation: subtract 7 from 62, which give you 55, divide by 5 which gives you 11.
Answer:
Step-by-step explanation:
5X+7=62
5X=55
X=11
This recipe makes 5 portions of fajitas.
Carly has 700 g of chicken, 800 g of peppers, 200 g of onion, 70 g of spice mix and 16 tortillas.
How much more of each ingredient will she need to make 15 portions by following this recipe?
Recipe: Serves 5
400 g chicken
600 g peppers
70 g onion
20 g spice mix
10 tortillas
PLS HELP ME I NEED IT BAD!!!!!!!!!!!!
Answers
Answer:
Chicken: 500g
Peppers: 1kg
Onions: 10g
Tortillas: 14
Step-by-step explanation:
hope this helps
To determine the temperature in Fahrenheit, multiply the Celsius temperature
by 1.8 then add 32. Determine the Celsius temperature if it is 89°F outside.
Round your answer to the nearest hundredth
Answers
Answer:
PSAT ONBY!
Step-by-step explanation:
Buckle these demons cannify
A block with a mass of 10 kg is being pushed. its acceleration is 5 m/s.s . Calculate the force acting on the block ? plz answer for good luck
Answers
Answer:
The answer is 50 NStep-by-step explanation:
The force acting on an object given it's mass and acceleration can be found by using the formula
force = mass × accelerationFrom the question
mass = 10 kg
acceleration = 5 m/s²
We have
force = 10 × 5
We have the final answer as
50 NHope this helps you
What was the error in this equation?
Answers
Answer:
The error is the solution.
The solution is all real numbers, or infinite amount of solutions.
Step-by-step explanation:
Step 1: Write equation
-4(2n - 3) = 12 - 8n
Step 2: Solve for n
Distribute -4: -8n + 12 = 12 - 8nSubtract 12 on both sides: -8n = -8nAdd 8n to both sides: 0 = 0Here we see that n can equal any number. If you plug in any number n, it will render the equation true. Therefore, our solution is n = infinite amount of solutions.
n = 0 is only slightly correct. 0 does work as the solution, but there are solutions as well.
Can you guys help please!! Due very soon!
Answers
the y-intercept is at (0,2) where it's touching the y-axis. That's why it's called y-intercept.
Hope thishelps!
An art gallery owner purchases art at flea markets and sells the art for a 14% profit in the gallery. If the owner purchases a piece of art for $885 at a flea market, what will be its selling price in the gallery?
Answers
Answer:
$1008.9
Step-by-step explanation:
Given
Cost of piece of art = $885
Percent profit made = 14%
Profit amount = 14% of $885
Profit amount = 14/100×885
Profit amount = 12390/100
Profit amounts to $123.90
Selling price = cost price + profit amount
Selling price = $885+$123.90
Selling price = $1008.9
Hence the selling price for the art at the gallery is $1008.9
Answer:
$1008.9
Step-by-step explanation:
A grocery store sells a bag of 6 oranges for $3.30. What is the unit cost?
Answers
Answer:19.8$
Step-by-step explanation:
-(x-7) + (5/3) = 2(x+9) wht does x equal
Answers
Answer:
-28/3=x
Step-by-step explanation:
-(x-7) + (5/3) = 2(x+9)
-x+7+5/3=2x+18
7+5/3=2x+18-x
7+5/3=x+18
5/3=x+18-7
5/3=x+11
5/3-11=x
Ahora todo se pasa a base 3
[tex]\frac{5-33}{3}[/tex]=x
-28/3=x
WHAT IS FUN ABOUT MATH
Answers
Answer:
Maths is universally common. People in every country use maths and all its branches. ... Give it a try, look around you, measure something, solve a sum, count something and there are so many more ways you can start knowing maths. Maths is interesting, it's just numbers to play with.
Answer:
what's fun about math is when you figure out the equations and questions.
In the image above, what do the red arrows on lines mean?
Answers
If the number of gallons of gas is known, can you find the number of miles driven?
Explain how this value could be calculated.
PLEASE SOMEONE HELP ME!!!!!!
Answers
Answer:
It cant
Step-by-step explanation:
car use gas at differnt rates
Cars use gas at different rates
what is 19 percent in decimal?
Answers
Answer:
0.19
Step-by-step explanation:
Answer:
0.19
Step-by-step explanation:
divide 19 by 100 (do this because percent basically means "per 100". anything you want to convert into a decimal is going to be out of 100, so you always divide by 100 when converting percent to decimal.
you will end up with 0.19
hope this helps you :)
Which equation represents the line that is parallel to 5x +y = 13 and passes through the point (15,-31)? Show complete working format please
Answers
Answer:
Step-by-step explanation:
y = -5x + 13
y + 31 = -5(x - 15)
y + 31 = -5x + 75
y = -5x + 44
Professor Burger orders flowers to be delivered to his mother. The flowers cost $59.95, not including tax. A bouquet of flowers is shown. Its price tag reads fifty-nine dollars and ninety-five cents. If there is a 6% sales tax, what is the total cost of the flowers to the nearest cent? Enter the correct answer in the box.
Answers
Answer:$60.30
Step-by-step explanation:
Add together 59.95 and 3.597. This gives you 63.547.
The directions say to round to the nearest cent, so round up to $63.55.
Hope this helps!
Math help please I have no idea how to solve this it’s confusing me I searched a video and I’m still confused :(
Answers
Answer:
57°
Step-by-step explanation:
A triangle's angles should all add up to 180°
So you have to add up the other two given angles, so in this case it is 60° + 63°, which equals 123°. Then you subtract 123 ° from 180°, giving you the answer of 57°.
Answer:
it's 57
Step-by-step explanation:
the 3 angles add up to 180 so add the 2 angles together to get 123 and then subtract that from 180
x 2 +2x−8=
The answer is (x-2) (x+4)
Answers
Answer:
x3 - 2x2 - 4x - 10
x
Step-by-step explanation:
i think
What’s is the answer to 9^11 divided by 9
Answers
3486784401
Answer: 3,486,784,401
Step-by-step explanation:
9 raised to the 11th power is 31,381,059,609
Then divide that by 9 to get 3,486,784,401
find the value of the height of the tree.
Answers
Answer:
20 ft
Step-by-step explanation:
First we must find out what the scale factor is.
26 / 6.5 = 4
the scale factor is 4.
Now we must multiply 5 by 4 to find x.
5 * 4 = x
20 = x
x = 20
The height of the tree is 20 ft.