Answer:
77%
Step-by-step explanation:
Solve the pair of simultaneous equations and leave the answer as a fraction in
its lowest term. 2x − 3 = y, x+ y= 8
Answer:
x = 11/3 = 3 2/3
y = 13/3 = 4 1/3
Step-by-step explanation:
Here, we want to solve the system of equations simultaneously
x + y = 8
2x -3 = y
From the second equation, we have an equation for y
we can simply proceed to substitute this into the first equation
x + 2x - 3 = 8
3x - 3 = 8
3x = 8 + 3
3x = 11
x = 11/3
Recall;
y = 2x - 3
y = 2(11/3) - 3
y = 22/3 - 3
y = (22-3(3))/3
y = (22-9)/3 = 13/3
if triangle def is similar to triangle jkl find kl
Answer:
KL=45
Step-by-step explanation:
Find the missing exponent: 5^11/5?=5^4
YO SOMEBODY HELP PLS IM STUCK
Answer:
X is less than or equal to -3
Hope that answers your question
The lines 2x=ky+2 and (k+1)x=6y-3 have same gradient. Find possible values of k
I need the answers ASAP please!
Answer:
k = 3 or k = -4
(Anyone can correct me if I'm wrong)
Step-by-step explanation:
[tex]2x=ky+2\to\ eq1\\(k+1)x=6y-3\to\ eq2\\$Change to this form: $y=mx+c\\ky=2x-2\\y=\frac{2x-2}{k}\\$gradient of eq1: $\frac{2}{k}\\6y=(k+1)x+3\\y=\frac{(k+1)x+3}{6}\\y=\frac{k+1}{6} x+\frac{3}{6}\\y= \frac{k+1}{6} x+\frac{1}{2}\\$gradient of eq1: $\frac{k+1}{6}\\$Since gradient, m, is the same for both lines,$\\\frac{2}{k}=\frac{k+1}{6}\\12=k^{2}+k\\k^{2}+k-12=0\\(k-3)(k+4)=0\\k=3 $ or $ k=-4[/tex]
-x + 6y = -8
x-6y=8
Answer:
inifinitely many solutions
Step-by-step explanation:
Help me please answer thanks
Answer:
I think it would be each girl scored 2 points, and each boy only scored one. :)
Write the expression in exponential form
(3√a)^2
Answer:
a^2/3
Step-by-step explanation:
URGENT !!!!!!!!! Please answer correctly !!!!! Will be marking Brianliest !!!!!!!!!!!!!!!!
Answer:
m=-1/2
Step-by-step explanation:
(x1,y1)=(9,4)
(x2,y2)=(3,7)
m= y2−y1 / x2−x1
= 7−4 / 3−9
= 3 / −6
m= -1/2
Brainliest
Answer:
(6,5.5)
Step-by-step explanation:
(9+3)/2,4+7/2
(12/2),(11/2)
(6,5.5)
Can somebody help me with this. Will Mark brainliest.
Answer:
The answer is 36 I believe
Step-by-step explanation:
Answer:
Step-by-step explanation:
sin(x) = 5.9/8.1
x = arcsin(5.9/8.1) ≅ 47°
a sneaker with a mark price of $1000 was offered at a discount of 8% for paying cash if someone paid cash for the sneakers how much did they pay
Answer:
920
Step-by-step explanation:
8% of 1000 is 80
1000 - 80 = 920
An amusement park sold an average of 280 tickets in 4 hours. If this rate continues, how many tickets will they sell in 7 hours? *
280 tickets per 4 hours
We need to find out how many tickets they made per hour.
So: 280/40
=70 tickets
70 tickets per hour
We then need to find how many ticket they made in 7 hours.So: 70 x 7
=490 tickets
Answer:
490
Divide 280 by 4 to get average of 70 tickets an hour.
Multiple 70 X 7= 490
Solve the equation 5.5(x-3)=17+10.5 in systems of equations. How can you find your solution?
Answer:
x= 8
Step-by-step explanation:
5.5(x-3)=17+10.5
5.5x - 16.5= 27.5
5.5x= 44
x= 8
Find the volume: 5ft 5ft 8ft 3ft
Answer:
120ft
Step-by-step explanation:
8 x 3 x 5
Justin made 6 pounds of granola to sell at his community fair. He charges $6.35 for each 23-pound bag of granola.
How much money will Justin earn if he sells all of the granola?
Answer: 38.1$
Step-by-step explanation:
Answer:
About $24.34
Step-by-step explanation:
if you do 23 divided by 6 you get 3.8333333 then you do 3.83333333 times 6.35 and you get about $24.34.
. Cost. A circular terrace has a radius of 6 ft. If it costs $1.50 per square foot to pave the terrace with brick, what will the total cost be?
Answer:
$169.65 is the total cost
Step-by-step explanation:
A= πr2= π·6(2)≈ 113.1
113.1 * 1.50 = 169.65
Find the value of x.
Answer:
16
Step-by-step explanation:
Which equation could be used to find the missing value of x?
Answer:
d
Step-by-step explanation:
PLEASE HELP ME ANSWER THIS PLEASE PLEASE PLEASE
Answer:
see explanation
Step-by-step explanation:
(a)
The turning point is the vertex of the graph
The coordinates are (2, - 4 )
(b)
The zeros are the values of x where the graph crosses the x- axis
The graph crosses the x- axis at
x = - 1, x = 5 ← zeros
(- 1, 0 ), (5, 0 ) in coordinate form
write 20x20 using an exponent
Step-by-step explanation:
20^2 because you are multiplying 20 two times
20×20=20², is the exponent form.
What is multiplication?In mathematics, multiplication is a method of finding the product of two or more numbers. It is one of the basic arithmetic operations, that we use in everyday life.
Here, we have,
20×20
=400
=20²
Hence, 20×20=20², is the exponent form.
To learn more on multiplication click:
brainly.com/question/5992872
#SPJ2
!!!!!!Help Me Plz!!!!!!
Answer:
angle ABE = 55 degrees
Step-by-step explanation:
(3x-8) + (x+14) = 90
4x+6 = 90
4x = 84
x = 21
angle ABE = 3(21)-8 = 55
-2a - 7 = -11 (worth 25 points}
Answer:
A=2
Step-by-step explanation:
x^2+3=7x
Quadratic Formula
Answer:
=
7
±
3
7
√
2
Step-by-step explanation:
Answer:
=7±√37/2
Step-by-step explanation:
Please solve all these ASAP:))))))))
Step-by-step explanation:
what is the answer to 2x - 20°
Answer:
so 10
Step-by-step explanation:
2−20
Grouping
1
Common factor
2−20
2(−10)
Solution
2(−10)
The x coordinate of the vertical intercept is always zero. For example, a line that crosses they axis at -6 has a vertical intercept of (0 - 6) true or false
Answer:
true
Step-by-step explanation:
Madelyn has x nickels and y dimes, having a maximum of 15 coins worth no
less than $1 combined. At least 2 of the coins are nickels and at least 9 of the
coins are dimes. Solve this system of inequalities graphically and determine
one possible solution.
9514 1404 393
Answer:
2 nickels, 9 dimes
Step-by-step explanation:
When there are a number of overlapping shaded areas on the graph, I find it convenient to use the reverse of the inequalities. That makes the unshaded area the solution space. Here, the vertices of the triangular solution space are ...
(2, 9), (2, 13), (6, 9)
Any of the grid points within (or on) this triangle is a possible solution. One of them is (2, 9) corresponding to 2 nickels and 9 dimes.
__
Three solutions are shown:
(x, y) = (2, 9), (3, 10), (4, 11)
Complete steps 2 and 3 to solve the system of equations.
y = 4x – 5,
y = –3
Answer:
Point form: ([tex]\frac{1}{2}[/tex],-3)
Equation form: x=1/2 y=-3
Step-by-step explanation:
hope it helps ;)
Estimate how many times larger 6.1 x 1
07
is than 2.1 x 1
0−4
.
Estimate how many times larger 1.9 x 1
0−8
is than 4.2 x 1
0−13
i need help.
.
What is the slope of the line in this graph?
Answer:
90% sure it's 5/7
Step-by-step explanation: