Answers
Answer:
Follow the same thing for the rest (plug the given in)
Step-by-step explanation:
1. y= 2x
x+y= -18
Plug 2x for y
x+2x= -18
3x=-18
x= -6
2.
x= 3y-1
x+2y=9
Plug 3y-1 for x
3y-1 +2y=9
5y= 10
y= 2
Step-by-step explanation:
ბსბსჰაჯკწნანსოქნნსნზჯზი
Related Questions
50 points Please please help find height and volume of pyramid!!!
Answers
Answer:
A=1/3Bh
Step-by-step explanation:
the volume is 1/3 area of the base times height, since you didn't give me any thing to work with, thats the formula, and you can find the height of the pyrimid using pothagrean theorem
jodi's car used 12 gallons of gas to travel 456 miles. How many miles did her car travel per gallon of gas?.
Answers
Answer:
38 miles
Step-by-step explanation:
456 ÷ 12 = 38
give me brainllest
A wind turbine has three equally spaced blades that are each 131 feet long. What is the measure of the arc between any two blades?
Answers
Answer:
274.23 feet
Step-by-step explanation:
From the question,
The measure of the arc between any two blades (s) = 2πrΦ/360
s = 2πrΦ/360................... Equation 1
Where Ф = angle formed betwen two blades, r = length of each blade.
Given: Ф = 360/3 (the three blades are equally spaced) = 120°, r = 131 feet.
Constant: π = 3.14
Substitute these values into equation 1
s = (2×3.14×131×120)/360
s = 274.23 feet.
Hence, the measure of the arc between any two blades is given = 274.23 feet
What is the radius and center for (x - 2)2 + y2 16? 0000 A. r = 16; center is (2,0) B. r = 4; center is (-2,0) C. r = 16; center is (-2,0) D. r = 4; center is (2,0)
Answers
Answer:
D. r = 4; center is (2, 0)Step-by-step explanation:
Equation of a circle:
(x - h)² + (y - k)² = r², where (h, k) is the center and r is the radiusGiven equation:
(x - 2)² + y² = 16Rewrite as:
(x - 2)² + (y - 0)² = 4²The center is (2, 0)
The radius is r = 4
Correct choice is D
General equation
(x-h)²+(y-k)²=r²Where centre is (h,k)
radius is r
(x-2)²+(y-0)²=4²Radius=4
centre (2,0)
Help pls and no links
Answers
Answer:
y > 4x - 2
Step-by-step explanation:
The basic format of a line in slope-intercept form is,
[tex]y=mx+b[/tex]
This format undergoes no change when one implements it for the use of a two-variable inequality.
The parameter (m) represents the slope of a line, this can be found by using the formula ([tex]\frac{rise}{run}[/tex]). Traditionally, one would use a formula to find the slope of a line that is the following, ([tex]\frac{y_2-y_1}{x_2-x_1}[/tex]). However, in the given situation, one can simply count the number of boxes from one point with respect to the x-axis to another, and thus get (4).
The parameter (b) represents the point in which the graph intersects the y-axis, one can see that this point is (-2).
Since the line is dotted, one would only use the greater than symbol, not the greater than or equal-too-symbol.
Finally, since the area above the line is shaded, therefore one knows that it is (y) is greater than.
Find the gradient of the line segment between the points (-1,3) and (1,-2).
Give your answer in its simplest form.
Answers
The answer is -5/2, hope this helps you!
Two cyclists , A and B , are going on a bike ride and are meeting at an orchard . They left home at the same time . Functions A and B give their distance from the orchard , in miles , after riding for x hours . The functions are defined by these equations
Answers
Answer:
Cyclist A lives farther from the Orchard
Step-by-step explanation:
Given
[tex]A(x) =48.5 -21x[/tex]
[tex]B(x) =42 -16.8x[/tex]
Required:
Who lives farther from the Orchard.
To do this, we simply calculate the y intercept.
This represents the total distance traveled to get to the Orchard
To calculate y intercept, we set [tex]x = 0[/tex]
So:
[tex]A(x) =48.5 -21x[/tex]
[tex]A(0) = 48.5-21*0 =48.5-0 =48.5[/tex]
[tex]B(x) =42 -16.8x[/tex]
[tex]B(0) = 42 - 16.8*0 =42-0 =42[/tex]
From the above computation:
[tex]A(0) > B(0) \to 48.5 > 42[/tex]
Hence;
Cyclist A lives farther from the Orchard
Help please due in a few minutes will give brainliest for correct answer
Answers
Answer:
Hi love
1. is D
2. is B
Hope this helps
How many 1/5s are in 1?
Answers
Answer:
5
Step-by-step explanation:
1 ÷ 1/5= 1 x 5/1 =5
I hope im right!!
A group of 63 first graders is attending a field trip to the Science Museum. If each student admission ticket costs $9.25, how much did it cost for all of the first graders to attend?
Answers
Answer:
$582.75
Step-by-step explanation:
I just multiplied $9.25 by 63 (The cost of one student admission ticket times the amount of students) to get the total cost.
Hope this helps!
Answer:
Big number
Step-by-step explanation:
The average growth of human hair is 0.5 inch
per month. Find how long it takes a human to
grow 3 inches of hair.
Equation:
Solution:
Answers
Solution : 6
Can anyone help me?
Answers
Answer:
Step-by-step explanation:
y= -833.3+42,000
29,500
what's the volume of a figure with that is 10 inches wide, 3 inches tall, and 5 inches long
Answers
Answer:
10 x 3 x 5 = a
Construye una fórmula que permita calcular el dinero recaudado en un autobús en función de los billetes vendidos, sabiendo que cada uno cuesta 1,2 euros. ¿Se pueden unir los puntos.
Answers
Answer:
Step-by-step explanation:
Build a formula that allows you to calculate the money collected on a bus based on the tickets sold, knowing that each one costs 1.2 euros. Can you join the dots.
Spanish
A door is fixed at the point O. Ben opened it by an angle of 30°. The area swept by the door was {25}{12}\pi\
Answers
Answer:
5 units
Step-by-step explanation:
Area swept by the floor will be the area ofd a sector
Area of a sector = theta/2π * πr²
We are to find the radius r
Given
Area= 25π/12
theta = 30° = π/6
Substitute
25π/12 = 30/360 * πr²
25π/12 = 1/12 * πr²
25/12 = r²/12
r² = 25
r = √25
r = 5
Hence the radius od the part swept by the door is 5 units
Mike needs to pack school supplies for the summer. He stacks two boxes on the table to start packing. What is the total volume of the boxes?
A. 48 inches3
B. 72 inches3
C. 120 inches3
D. 168 inches3
Answers
Answer:
120 inches
Step-by-step explanation:
the first box on the bottom is 72 because 12 x 2 x 3 is 72 and the bottom on is 48 because 2 x 4 x 6 is 48. then add 72 plus 48 and it gives you 120 inches.
5) A grocery store paid $147.98 for 7 crates of milk. This can be
expressed by the equation Y=KX. How much was it for one
crate?
Please help !
Answers
Step by Step: $147.98 = 7x
147.98/7 =21.14
70/5.2 + 16-1 helppppp
Answers
Answer:
28.4615384615
28.46
Step-by-step explanation:
Answer:
28.46, if this help please subscribe to amiredagoat Yt i wanna change the world.
Step-by-step explanation:
Match the resulting values to the corresponding limits.
Answers
Answer: I only got 3 of them
Lim (x->9) = - 1/52
Lim (x->6) =1/98
Lim(x->7) =-31
Step-by-step explanation:
Answer:
This was the correct answer on Edmentum.
Step-by-step explanation:
Which of the following describes the graph of y=3sqrt27x-54+5
Answers
Answer:
y = 3 √ 27 x − 54 + 5
Step-by-step explanation:
what r the answer choices?
and does this help?
Horizontal translation - 2 units right.
Vertical translation - 5 units up
Stretch / compression - stretched by a factor of 3.
Reflection - not reflected.
A sign next to the science lab says a person must be 54 inches tall to go in. At his last doctor's appointment, Hever was 4 feet 4 inches tall. He has grown 3 inches since then.
Answers
Answer:
Therefore he can go inside because 55 inches is taller than 54 inches.
Step-by-step explanation:
1 feet = 12 inches
His height is 4 feet and 4 inches
4 feet and 4 inches means
= 4*12+ 4
Converting feet into inches
=48+4= 52 inches
His height was 52 inches.
He has grown 3 inches
His new height is 52+3 = 55 inches
Therefore he can go inside because 55 inches is taller than 54 inches.
Kevin has $50 and wants to buy some art paper and paints. One pack of art paper cost $12 and the paints cost $6 per tube. He buys 2 packs of paper. Which inequality should Kevin solve to find the maximum number, n of tubes of paint that he can buy
Answers
Answer:
26 ≤ 6
Step-by-step explanation:
$50 is the budget
Art paper = $12
Paints = $6
He gets 2 packs of paper making it $24
$50 - $24 = $26
26 divided by 6 = 4.33333 (he can only get 4)
For some reason this was a little confusing for me so let me know if I helped at all.
Which of the following is a vertex of the figure shown below after a reflection in the y axis?
Answers
Answer:
A.
Step-by-step explanation:
( 5,0)
When x axises is a reflection in the y axis
expre
If a +b+c= -3 and 2 + y = -9,
what is --2c – 2a – 3y - 26 – 3x?
I
Stuck? Watch a video or use a hint.
Answers
Answer:
33
Step-by-step explanation:
Rewrite the bottom expression:
-2a-2b-2c-3x-3y
Factor the expression into two parts:
-2(a+b+c) + -3(x+y)
Substitute -3 for a+b+c and -9 for x+y:
-2(-3) + -3(-9)
6 + 27
33
Therefore, your final answer is 33
This problem please
Answers
surface areas:
1. 94 ft
2. 96 cm
volumes:
1. 60 ft
2. 42 cm
if ax+bx=a^2-b^2 then what is the value of x
Answers
Answer:
Factorise both sides of
ax+bx=a2−b2
and get
(a+b)x=(a+b)(a−b).
If
a+b≠0,
because division by 0 is not allowed, then divide by a + b and get
(a+b)xa+b=(a+b)(a−b)a+b.
It reduces to
x=a−b.
If a+b=0, then
ax+bx=a2−b2 is
(a+b)x=(a+b)(a−b)
and this simplifies to
0x=0(a−b),
that is,
0=0,
so that the value of x is indeterminate.
(5y+4)+(−2y+6)= find the sum
Answers
Answer:
-32
Step-by-step explanation:
helpppppppppppppppppppppppp
Answers
Answer:
A
[tex]hope \:this \: helps[/tex]
Please please help me
Answers
Answer:
b) 43 degrees
Step-by-step explanation:
Answer:
Choice B
Step-by-step explanation:
The bottom right angle is 80° since thats the value of its complement
Subtract 180-123 to get the complement of the bottom left and the value of the bottom left, 57°
Since all the interior angles in a triangle will add up to 180° add 57 and 80 to get 137 then subtract 137 to get the value of x, 43.
There is a population of 192,500 bacteria in a colony. If the number of bacteria doubles every 238 minutes, what will the population be 476 minutes from now?
Answers
Answer: [tex]770,000[/tex]
Step-by-step explanation:
Given
The present population of bacteria is [tex]1,92,500[/tex]
It doubles in every 238 minutes
So, after 238 minutes it is
[tex]\Rightarrow 192,500\times 2=385000[/tex]
After another 238 minutes i.e. 476 minutes from starting, they becomes
[tex]\Rightarrow 385000\times 2=770,000[/tex]