Answer:
its 12
Step-by-step explanation:
Here is a linear equation in two variables: 2x+4y−31=123. Solve the equation, first for x and then for y.
Answer:
[tex]x = 77 - 2y[/tex]
[tex]y = \frac{77 - x}{2}[/tex]
Step-by-step explanation:
Given
[tex]2x + 4y - 31 = 123[/tex]
Required
Solve for x and for y
[tex]2x + 4y - 31 = 123[/tex]
Add 31 to both sides
[tex]2x + 4y - 31+31 = 123+31[/tex]
[tex]2x + 4y = 154[/tex]
Solving for x
Subtract 4y from both sides
[tex]2x + 4y - 4y = 154 - 4y[/tex]
[tex]2x = 154 - 4y[/tex]
Divide by 2
[tex]x = 77 - 2y[/tex]
Solving for y
[tex]2x + 4y = 154[/tex]
Subtract 2x from both sides
[tex]2x - 2x + 4y = 154 - 2x[/tex]
[tex]4y = 154 - 2x[/tex]
Divide by 4
[tex]y = \frac{154 - 2x}{4}[/tex]
Split
[tex]y = \frac{77 - x}{2}[/tex]
Solve the system of equations
2x+3y= 6
x+y=4
(6,-2)
(-2,6)
(-3, 4)
(0, 2)
Answer:
Step-by-step explanation:
2x+3y= 6 ========================>>> 2x + 3y = 6
x+y=4 ===== times both sides by 2 =====>>> 2x + 2y = 8
==== subtract these two equations ==>> (2x - 2x) + (3y - 2y) = 6 - 8
0x + y = -2
y = -2 so if x + y = 4 plug in -2 where y was
x + (-2) = 4 add 2 to both sides
x = 6
(6,-2)
(-2,6)
(-3, 4)
(0, 2)
What decimal is equal to 1/4?
Answer:
0.25
Step-by-step explanation:
write 1/4 as a decimal you have to divide numerator by the denominator of the fraction. We divide now 1 by 4 what we write down as 1/4 and we get 0.25. And finally we have: 1/4 as a decimal equals 0.25.
Answer:
0.25
Step-by-step explanation:
[tex] \frac{1}{4} \\ = 0.2[/tex]
Three prime numbers that can be multiplied to get 825
Answer:
Prime factorization: 825 = 3 × 5 × 5 × 11, which can be written 825 = 3 × 5² × 11.
Step-by-step explanation:
Hope this helps!
Answer: 3, 5, and 11
3 * 5 * 5 * 11
Step-by-step explanation:
Make a factor tree for 825
825
/ \
5 165
/ \
5 33
/ \
3 11
In a certain triangle, two of the sides have measures of 8 and 10. If the triangle is isosceles, then which of the following could be the measure of the third side?
A. 18
B. 2
C. 20
D. 8
Answer:
C. 20 could be the third side of the isosceles triangle
the perimeter of a square is 72cm what is the area of the square
Answer:
the area is 324 cm²
Step-by-step explanation:
Answer:
area = 324 cm²
Step-by-step explanation:
since it's a square, all sides are equal in length.
72/4 = 18
18 x 18 = 324 cm²
Please please help help me please please!!!
The coordinates of point B are located at -5 on the number line, and Point A is located at -8 on the number line. The reflection of point A on the number line is the coordinates of point E.
What is Number Line?In math, a number line can be defined as a straight line with numbers arranged at equal segments or intervals throughout. A number line is typically shown horizontally and can be extended indefinitely in any direction.
The numbers on the number line increase as one moves from left to right and decrease on moving from right to left.
According to the given number line,
The coordinates of point B are located at -5 on the number line, and Point A is located at -8 on the number line. The reflection of point A on the number line is the coordinates of point E.
Thus, Point B is at -5 on the number line, whereas Point A is at -8 on the number line. Point E is the number line's reflection of point A.
Learn more about the number line here:
brainly.com/question/17617832
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Lindas aunt zoe charges her a nominal amount for watching her two children aunt zoe charges $2.50 per day plus $1.75 per hour one day linda paid her aunt $14.75 how many hours did aunt zoe watch the children
Answer:
7 hours
Step-by-step explanation:
the function of the earning of Zoe = 2.50 + 1.75h
2.5 = base fixed amount
1.75 varies based on the hours
h = hours
2.50 + 1.75h = 14.75
to solve for h
subtract 2.5 from both sides and then divide by 1.75
14.75 - 2.5 = 1.75h
12.25 = 1.75h
h = 7
What is the graph of the equation y + 3 = 2(x + 3)?
Answer:
y + 3 = 2(x + 3)
[point-slope; y – y₁ = m(x – x₁)]
y = 2x + 3 [slope-intercept; y = mx + b]
2x – y = -3 [standard form; ax + by = c]
What is the domain of the function y=2/x-5
is it a acute, obtuse, or Right
Answer:
Right triangle
Step-by-step explanation:
it has one 90 degree angle
Answer:
Right Triangle
Step-by-step explanation:
What is the formula for total surface area of
cylinders?
Thanks in advance
Answer:
For a cylinder there is 2 kinds of formulas the lateral and the total. the lateral surface area is just the sides the formula for that is 2(pi)radius(height). the formula for the total surface area is 2(pi)radius(height) + 2(pi)radius squared.
Step-by-step explanation:
Leah asks people at a theater how old they are. She finds that 8 out of
75 people are under the age of 12. If there are 2,434 people at the theater, how many people can Leah expect to be under the age of 12 based on the experimental probability?
Answer:
9
Step-by-step explanation:
solve the inequality -24< x - 3 - 8x
Answer:
x = 3
Step-by-step explanation:
-24 < x - 3 - 8x
-24 < -7x - 3
-24 + 3 = -21
-7x - 3 + 3 = -7x
-21 = -7x
-21 / -7 = 3
-7x / -7 = x
3 = x
Mary sells $26,012 worth of sports equipment. Her rate of commission is 4.8%. What is her commission on that sale? Round to the nearest hundredth
Answer:
8,000 ordinary income and $1,000 Section 1231 gain
Step-by-step explanation:
PLS HELP AND EXPLAIN HOW TO DO IT ASWELL ILL MARK YOU BRAINLIEST
Answer:
251.33 = 251
Step-by-step explanation:
V= πr²h = π·2²·20 ≈ 251.32741 = 251.33
Answer:
Step-by-step explanation:
simplify the expression
5 - 8q + -q + -6
I bought 8 chairs costing x dollars each, and a table for y dollars. How much more did I pay for the chairs than for the table?
Answer:
8x- y
Step-by-step explanation:
Find the missing side of this right
triangle.
Answer: I believe it’s 15
Step-by-step explanation:
Ricardo is buying juice boxes for snack packs. Which is the best buy?
Yesenia is painting the front of the figure below in pink paint. The structure is made
of a cube and a triangular prism.
10.3 feet
9.2 feet
12.5 feet
How much paint does Yesenia need to paint the frorlt of the figure?
100 square feet
115 square feet
179 square feet
213 square feet
Answer:
I cant see the link, try reposting...
Step-by-step explanation:
My sisters name is yesenia
T-3.7=1.2? What is the T? Plz help
Answer:
T = 4.9
Step-by-step explanation:
Just add 3.7 and 1.2 to get 4.9
Firewood is often sold by the cord. A cord of wood is a bundle measuring 4 feet by 4 feet by 8 feet. What’s the volume of a cord of wood in cubic feet? A. 128 cu. ft b. 3,456 cu. ft c. 4.74 cu. ft D. 64 cu. ft.
Answer:
128 cu. ft
Step-by-step explanation:
4 x 4 x 8 = 16 x 8 = 128
An object travels along a horizontal straight path at a constant rate. The object travels 1/20 of the length of
the path in 3/4 second. At that rate, how many seconds does it take the object to .travel the entire length of the
path?
A. 15
B. 15 3/4
C. 20
D. 20 3/4
Which one is the answer
Answer:
2667
Step-by-step explanation:
35 meters wide at the base
20.6 meters tall
h = 20.6 m
slant height s = 27.029798371427 m
side length a = 35 m
lateral edge length e = 32.200310557509 m
1/2 side length r = 17.5 m
volume V = 8411.6666666667 m3
lateral surface area L = 1892.0858859999 m2
base surface area B = 1225 m2
total surface area A = 3117.0858859999 m2
in all explanation, 2667 is the final answer.
hope this helped!
What is the value of the exponential expression below?
1
363
A. 3
B. 18
C. 12
O D. 6
Answer:
the answer is D which is 6
10% of what number is 13
Answer:
[tex]\boxed{\textsf{ The required answer is \textbf{130}.}}[/tex]
Step-by-step explanation:
Let us take that number be x whose 10% is 13. So According to Question 10% of x is 13. This implies ,
☯️ [tex]\underline{\underline{\boldsymbol{According\ to\ the\ Question :-}}}[/tex]
[tex]\sf\implies 10\% \ of \ x = 13 \\\\\sf\implies \dfrac{10}{100}\times x = 13 \\\\\sf\implies x =\dfrac{13\times 100}{10} \\\\\sf\implies\boxed{\pink{\frak{ x = 130 }}}[/tex]
What are the coordinates of A' if it is reflected over the line x= -3?
Help Me, Now! B. What is the value of each funtion at x = 1?
Answer:
Step-by-step explanation:
hii please help i’ll give brainliest