The solution to this given system of equations is (x,y) = (0.4,15).
What is a system of equations?A system of equations is two or more equations that can be solved to get a unique solution. the power of the equation must be in one degree.
A mathematical equation is a statement with two equal sides and an equal sign in between. An equation is, for instance, 4 + 6 = 10. Both 4 + 6 and 10 can be seen on the left and right sides of the equal sign, respectively.
We are given that;
y - 13 = 5x
y - 5x = 12
Now,
To do this, we can add both equations together to eliminate x:
(y - 13) + (y - 5x) = 5x + 12 2y - 13 - 5x = 17 2y = 30 y = 15
Now that we have found y, we can substitute it into either equation to find x. For example:
15 - 13 = 5x 2 = 5x x = 0.4
Therefore, by the given system of equations the answer will be (x,y) = (0.4,15).
Learn more about equations here;
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Factor the following completely: 5.02
13.2
6
Answer:
Factoring cannot be done on fractional numbers. Please restate the question.
Solve the equation
x2 + 4x - 7 = 0
by completing the square.
Give your answers correct to 2 decimal places.
Answer:
x ≈ - 5.32, x ≈ 1.32
Step-by-step explanation:
Given
x² + 4x - 7 = 0 ( add 7 to both sides )
x² + 4x = 7
To complete the square
add ( half the coefficient of the x- term )² to both sides
x² + 2(2) x + 4 = 7 + 4
(x + 2)² = 11 ( take the square root of both sides )
x + 2 = ± [tex]\sqrt{11}[/tex] ( subtract 2 from both sides )
x = - 2 ± [tex]\sqrt{11}[/tex]
Then
x = - 2 - [tex]\sqrt{11}[/tex] ≈ - 5.32 ( to 2 dec. places )
x = - 2 + [tex]\sqrt{11}[/tex] ≈ 1.32 ( to 2 dec. places )
Please need the answer please help will give brainliest
f(x)=x+5
X=10
What is f(x)= ?
PLEASEE HELP ASAP ITS DUE
TODAY
Find x, the height of the tree. (Decimal Answer)
Answer:
i think it is 15.9 but that is only if the two triangles are congruent
Step-by-step explanation:
Please hurry and answer correctly.
What is the area of the figure shown?
Answer:
the answer is c cuz if u do da math and add stuff u get 52 sq. cm
Step-by-step explanation:
please help me asap?!? test is past due :(
Find the missing side lengths using your notes on the 45-45-90 and 30-60-90 special triangles.
It says that there was an error with my answer, but I don't know what, so I screenshotted what I typed and attached them as 4 images below:
If a = 4 and b = 3, find the
measure of angle B.
Answer:70 should be the angle
Step-by-step explanation: 3x2+4x2=20
LIKE if this helped
Answer:
m∡B = 37°
Step-by-step explanation:
since this is a right triangle you can use the trigonometric ratios of
sin, cos, or tan
in this problem, we know opp/adj so can use tangent
tan(∠B) = 3/4
tan^-1(3/4) = 36.8°
Math again sadly i need help on
Answer:
13x+12
Step-by-step explanation:
27x-14x=13
+12 because there is nothing else there
Answer:
C subtract 14x from 27x
Step-by-step explanation:
hope this helps have a good rest of your day :) ❤
A car travels 100 miles in 4 hours. What is its average speed?
Answer:
25 miles per hour
Step-by-step explanation:
100 / 4 = 25
all you need is in the photo
please answer fast
Answer:
12 ounces
Step-by-step explanation:
Answer above.
3x - 4.5 = -19.5
solve for x
Answer:
Step-by-step explanation:
3x=-15
x=-5
Answer:
-5
Step-by-step explanation:
write a story problem that can be represented with the following equation:
2x + 16 = 22
Find the solution to the following system of linear
equations by using the substitution method.
y = 4x -4
X+ y = 11
Step-by-step explanation:
[tex]y = 4x - 4 \\ x + y = 11 \\ x + 4x - 4 = 11 \\ 5x = 15 \\ x = 3 \\ y = 4 \times 3 - 4 \\ y = 8[/tex]
Someone help with this please
Answer:
The answer is the last one!
Step-by-step explanation:
x is the domain and y is the relation
-Sumin <3
Raul put 20 gallons of gas in his car. How much did Raul spend on gas?
Identify the multiplication problem that matches the model
Answer:
I think its 2 x 5/8
Step-by-step explanation:
tell me if its right!
Determine the intercepts of the line.
y-intercept:
X -intercept:
6(n-3)
Use distributive property to write each expression
6. Allison wants to start saving for college. She got $250 in birthday money
and plans to save $50 a week from babysitting. Which equation could be
used to determine how many weeks it will take for her to save $1000? *
ASAP WILL MARK BRAINLINEST
Use the drawing tool(s) to form the correct answer on the provided graph.
Graph the linear inequality shown below on the provided graph.
y < 1/3x - 6
Answer:
a dashed line going through (0,-6) and (18,0) with it shaded below the line
Step-by-step explanation:
Answer:
Did the test, got it right.
Step-by-step explanation:
lots of pointssssss :)
do each part pls (u will be reported if u do not thank)
(4,803) · 95
Answer:
i know you said you are going to make another question, and i am going to try to go to that one but here's the answer to this one:
456,285
Solve for x
-2x + 4 = 6x - 12
Answer:
x=2
Step-by-step explanation:
-2x+4=6x-12 Add 2x to both sides.
+2x +2x
4=8x-12 Add 12 to both sides.
+12 +12
16=8x Divide by 8 on both sides.
/8 /8
2=x
Hope this helps you out and have a great day (～^▽^)～
Answer:
x=2
Step-by-step explanation:
-2x + 4 = 6x - 12
First add 2x to each side: 4=6x−12+2x
Now simplify 6x-12+2x: 4=8x-12
add 12 to both sides: 4+12=8x
Simplify 4+12: 16=8x
Divide both sides by 8: 16/8
you end up with x=2
Hope this helps :)
Bir sınıftaki erkekletin sayısının kızların sayısına oranı 3 bölü 4 tür . sınıftaki kız öğrencilerin sayısı 12 ise erkek oğrencilerin sayısı kaçtır
Answer:
Ha?what do you mean ba? Jjsjsjsjjsjs
Answer:
what did you say???????
Carlos has 2 dollars more than half of the total amount of money his brother has. If x represents the amount of money Carlos’s brother has, which expression can be used to represent this situation?
plz hurry
Answer:
xX2/2?
Step-by-step explanation:
On Monday, Franco borrowed $15 from his friend. Tuesday, Franco borrowed $12 more from his friend. Franco plans to pay his friend back $18 on Wednesday.What will Franco’s balance be on Wednesday?(Anwser with number only please)
9
Step-by-step explanation:
I believe its 9 because he borrowed $15 on Monday and then he did $12 more on Tuesday and thats already $27 that he owes his friend but then Franco pays his friend back $18 and he will just owe him $9 left
Please help this is due today
Answer:
A (13 units)
and E (the one you chose)
Step-by-step explanation:
The height and the slant height of a cone are 24 cm and 25 cm respectively. Find the volume of the cone.
Pls answer with steps :)
Answer:
volume =183.26 cm³
Step-by-step explanation:
volume of a cone = 1/3πrl
l is the slant height
using; l²=h²+r²
r²= l²-h²
r²= 25²-24²= 625-576 =49
r=√49=7cm
volume = 1/3πrl = 1/3 (π×7×25)= 1/3 ×549.78
=183.26 cm³
3/10 divided by 6/11
Answer:
Hi, I love these types of questions. So, ima teach you how to find the answer. If your only looking for an answer, skip to the bottom. So, what your trying to find is the solution to 3/10 divided by 6/11. So, remember, copy, dot, flip.
Copy- Copy the equation- 3/10 6/11
Dot- Change the division sign to multiplication- 3/10 X 6/11
Flip- so, this is where it gets a bit tricky. You wanna flip the numerator and denominator on the second fraction- 3/10 X 11/6
now multiply across-
33/60
simplify
11/20
Your answer is 11/20