Answer:
y=21/5, x=7/10
Step-by-step explanation:
Substitute y=6x
4x=6x=7
Simplify 4x+6x
10x=7
isolate x for 10x=7:
10x=7
Divide both sides by 10:
10x/10=7/10
Simplify:
x=7/10
For y=6x substitute x=7/10
y=6*7/10
Convert element to fraction:
6/1*7/10
Cross- cancel common factor:2
3/1*7/5
Multiply fractions:
3*7/1*5
Multiply the numbers:3*7=21
=21/5
y=21/5
The solutions to the systems of equations are:
y=21/5,x=7/10
Please help!! I'll mark BRAINLIEST
Answer: C: 2(n+5)
Step-by-step explanation:
Answer:
2(n+5)Step-by-step explanation:
For finding we go from
Back to front that is,
First,
Sum of a number and 5 that is = n + 5
Then,
Twice of their sum that is = 2(n+5)
Hence,
Option C that is 2(n+5) (Ans)
CAN SOMEONE WHO IS GOOD AT MATH HELP PLEESE !! ALSO PLEASE PUT ACTUAL ANWSERS I DONT OPEN SKETCHY FILES ON MY COMPUTER !!
Answer: where?
Step-by-step explanation:
Answer:
What do you need help with?
Step-by-step explanation:
Help!!!! f(x)=10x+3 g(x)= -7x-4
COMPARE The maximum distance traveled by the space shuttle can be determined using
the equation d = 4.8s, where d is the distance, in miles, and sis the number of seconds.
The table below shows the distance traveled by the Apollo 10 astronauts returning from
the moon.
9(-5x - 2)
Please Solve
Answer:
-45x - 18
Step-by-step explanation:
distributive property
Answer:
x = 18/45 (or, in a decimal, 0.4). Someone correct me if I'm wrong. :)
Step-by-step explanation:
We have to use the distributive property here. That means that you multiply -5x by 9 and -2 by 9. So...
9*-5x = -45x
9*-2 = -18
-45x = -18
Now, divide both sides by 45...
-45x/45 = -18/45
x = 18/45 should be the answer.
(PLEASE HELP! ❤) Use the points (-21, 38), (-38, 25),
(-25,-38), and (-38, -25).
a) Which point is farthest left?
b) Which point is farthest right?
c) Which point is highest up?
d) Which point is lowest down?
Answer:
a- (-38, 25)
b - (-21,38)
c - (-21,38)
d - (-25,-38)
Step-by-step explanation:
2x+y=2(6-2) how to solve
Answer:
x= −1 /2 y+4
Step-by-step explanation:
Let's solve for x.
2x+y=2(6−2)
Step 1: Add -y to both sides.
2x+y+−y=8+−y
2x=−y+8
Step 2: Divide both sides by 2.
2x /2= −y+8 /2 x= −1 /2 y+4
brainliest please?
Simplify. |-7(4) + 2(6)|
Answer:
16
Step-by-step explanation:
Please help me and thank you for helping me lol
Answer:
409 = 223 + z
z = 186
Step-by-step explanation:
We know Tyler is 223 - z or z + 223
409 = 223 + z
409 = z + 223
409 - 223 = z + 223 - 223
186 = z + 223 - 223
z = 186
Find the area of a circle use 3.14 for pi
I do not speak z language of z math
Answer:
In order to be considered a language, a system of communication must have vocabulary, grammar, syntax, and people who use and understand it. Mathematics meets this definition of a language. Linguists who don't consider math a language cite its use as a written rather than spoken form of communication
A backpack is sold to Target for $25. If Target marks the price of the backpack up by 40%, how much do they sell it for?
Answer:
40 percent is 10 so It cost 35.
Step-by-step explanation:
Question 1
Tell whether the angles are adjacent or vertical. Then find the value of x.
Step-by-step explanation:
The angles are vertical because they are opposite to each other
75 = 4x -25 vertical angles
100 = 4x
x= 25° Algebra
Answer:
X = 25 degrees
Definitions:
Vertical: Opposite angles/angles that share a common side.
Adjacent: Congruent meaning same measure.
Step-by-step explanation:
This equation would be vertical because they are opposite from eachother:
Our equation would look like this:
75 = 4x - 25
Then add 75 and 25 to get 100:
75 + 25 = 100
Now our equation would look like this:
100 = 4x
Lastly, divide 100 with 4:
100 ÷ 4 = 100
Side note: 25 x 4 = 100
Your answer would be x = 25 degrees.
Hope this helps!
~Hocus Pocus
What would be the slope of a line that is perpendicular to the linear equation y = (-2/3)x +5?
Answer: The slope of a perpendicular line will be m = 3/2. To find the perpendicular gradient take the negative inverse of the original gradient.
Step-by-step explanation:
The slope of a perpendicular line will be m = 3/2. To find the perpendicular gradient take the negative inverse of the original gradient.
By 'negative inverse' I mean change the sign and switch the numerator and denominator (the top and bottom of the fraction).
The original gradient there is m = - 2/3. Remember the line equation: y = mx + c.
To gain the perpendicular gradient change the - to +, move the 3 to the top and the 2 to the bottom. Now m = + 3 / 2 = 3/2
What expression is equivalent to 9-8x
Answer:
its equivalet to 9-8x
Step-by-step explanation:
Please help i will give you the brainliest
Answer:
the first option.
Step-by-step explanation:
correct me if I'm wrong, I don't know if this is right, but that's a method I think you use
10. If eight men can dig 10 ditches in an hour. How many men would be
required to dig 16 ditches?
Answer:
12.8
Step-by-step explanation:
they can dig at a rate of 1.25
Can someone pls pls help me on this question !!!!!
Answer:
c. y= 0.5(2)^x
Step-by-step explanation:
i hope this helps :)
What is the rate of change for the linear relationship modeled in the table?
x y
-1 10
1 9
3 8
5 7
A -1/2
B 0
C 1/2
D 2
Use the first and lay set of x,y values.
Rate of change is change in y/ change in x:
7-10 / 5- -1 = -3/6 = -1/2
The answer is A.-1/2
Solve in +3 < 5.
Which graph shows the solutions?
A trader banks 250000frws at 9%per year compound interest rate calculated every 4 months. find the amount in the bank at the start of the year
Answer:
228,710.84 frws
Step-by-step explanation:
A trader banks 250000frws at 9%per year compound interest rate calculated every 4 months. find the amount in the bank at the start of the year?
The above question is asking us to find the Principal. The formula is given as:
P = A / (1 + r/n)^nt
A = Amount after time t = 250000
r = Interest rate = 9%
n = Compounding frequency = 4
t = time = 1 year
First, convert R as a percent to r as a decimal
r = R/100
r = 9/100
r = 0.09 per year,
Then, solve the equation for P
P = A / (1 + r/n)^nt
P = 250,000.00 / (1 + 0.09/4)^(4)(1)
P = 250,000.00 / (1 + 0.0225)^(4)
P = $228,710.84
The bank started with 228,710.84frws
23 + b = 30. Substitute 10 for b.
Answer: 23+10 doesnt equal 30 b is 7
Step-by-step explanation:
Answer:
b=30-23
b=7
.
. . b is 7
Solve the equation for b 5= 3/2 (3) + b
Answer:
The answer is b = 1/2
Step-by-step explanation:
1) Use this rule: a/b × c = ac/b.
[tex]5 = \frac{3 \times 3}{2} + b[/tex]
2) Simplify 3 × 3 to 9.
[tex]5 = \frac{9}{2} + b[/tex]
3) Subtract 9/2 from both sides.
[tex]5 - \frac{9}{2} = b[/tex]
4) Simplify 5 - 9/2 to 1/2.
[tex] \frac{1}{2} = b[/tex]
5) Switch sides.
[tex]b = \frac{1}{2} [/tex]
Therefor, the answer is b = 1/2.
Question 4 (1 point)
Which list shows the correct order of coefficients needed to balance the chemical
equation?
_CH4 + __Cl2 → __CCl4 + _HCI
a 1, 4, 1, 2
b 1, 4, 1, 4
c 1, 2, 1, 4
d 1, 1, 1, 1
Answer:
d
Step-by-step explanation:
four consecutive integer numbers that add up to 2. What are the numbers?? -HELP PLS
Answer:
-1, 0, 1, 2
Step-by-step explanation:
-1 + 0 + 1 + 2 = 2
Answer:
Step-by-step explanation:
-1,0,1,2
give me brainliest pls
Which one is it ?
Parallelogram
Kite
Trapezoid
Rectangle
Rhombus
Square
Answer:
it will be trapeziod i hope it will be true
What is the distance, in feet, that the box has to travel to move from point A to point C?
in class 19%of the 25 students did not passed the test .how many students passed the test
Answer:
4
Step-by-step explanation:
(6x – 2y – 5) – (-5y + 4y - 8x)
Answer:
thx
Step-by-step explanation:
Answer:
14x - y - 5
Step-by-step explanation:
I don’t know wich boxes to choose
Answer:
C, D, F
Step-by-step explanation:
She walked 12 miles. Then she walked 1/4 that distance. "That distance" is 12 miles.
That means she walked 12 miles plus 1/4 of 12 miles.
She walked
12 + 1/4 * 12
You can factor out 12 from the expression above, and write it as
12(1 + 1/4)
Now you can do the addition in parentheses.
12(1 + 1/4) = 12(4/4 + 1/4) = 12(5/4)
Answer:
C, D, F
Answer:
12 + 1/4 x 12, 12 x 5/4, and 12 (1 + 1/4)
Step-by-step explanation:
To solve this, you need to add 1/4 of 12 to 12. 1/4 of 12 is 3, and 12 + 3 is 15. All of these equations are equal to 15, therefore they are all correct.
1/4 x 12 = 3 + 12 = 15
12 x 5/4 = 60/4 = 15
1 + 1/4 = 5/4
5/4 x 12 = 60/4 = 15