Answer:
I think 2 is the coefficient of x which is numerical.
A bag contains 77 coins consisting of quarters and nickels. The total value of the coins is $12.50. Write a system of equations that can be used to determine the number of quarters, x, and the number of nickels, y, in the bag. a x + y = 77 0.25x + 0.5y = 12.5 b 0.25x +0.5 y = 77 x + y = 12.5 c x + y = 77 0.25x + 0.05y = 12.5 d 0.25x + 0.05y =77 x + y = 12.5
Answer:
A
Step-by-step explanation:
because the answer needs both amounts of money and the beginning equation x + y = 77 can't have any other numbers.
PLSS HELP the length of a rectangle is 3 meters greater than 2 times the width the perimeter of a rectangle is 30 m what is the length of the rectangle
Answer:
Width: 4 meters. Length: 11 meters
Step-by-step explanation:
If you do it correctly, the length should be 3 more greater than 4*2. 4*2= 8 +3= 11. Your perimeter= 30 meters. 11+11 accounting for both long sides of the rectangle= 22. Accounting for both sides of the width, so 4*2=8 + our 22= 30 meters. Yw.
The length of the rectangle width 4 meters and length 11 meters.
If you do it correctly,
The length should be 3 more greater than
What is the perimeter of a rectangle?
P=2(l+w)
L= Length
W = Width
4*2. 4*2= 8 +3= 11.
Your perimeter= 30 meters.
11+11 accounting for both long sides of the rectangle= 22.
Accounting for both sides of the width,
So 4*2=8 + our 22= 30 meters.
Therefore we get the length of a rectangle is 11 meters.
To learn more about the perimeter visit:
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two angles of a triangle measure 67 degrees and 90 degrees what is the measure of the third angle?
23
.
.
.
.
.
.
.
I hope it's helpful for you dude
Answer:23
Step-by-step explanation:
5-2(3 - x) = 4x + 10
Answer:
False
Step-by-step explanation:
5-2(3-x) =
3(3-x) = (not sure about this step)
9-x, this answer does not equal 4x + 10
What is the equation of the line that passes through the point ( -1, 1) and is perpendicular to 2x + 4y = 16?
A. y = −2x − 1
B. y − 3 = 2x
C. y = 6x + 7
D. Cannot be determined
Answer:
B
Step-by-step explanation:
We want the equation of the line that passes through the point (-1, 1) and is perpendicular to:
[tex]2x +4y=16[/tex]
Remember that the slopes of perpendicular lines are negative reciprocals of each other.
So, let's find the slope of the original line first. We can do so by converting it to slope-intercept form. Thus:
[tex]4y=-2x+16[/tex]
Therefore:
[tex]\displaystyle y=-\frac{1}{2}x+4[/tex]
The slope is -1/2.
The negative reciprocal of -1/2 is 2.
Thus, the slope of our new line is 2.
The slope is 2 and it passes through the point (-1, 1).
We can use the point-slope form:
[tex]y-y_1=m(x-x_1)[/tex]
Substitute:
[tex]y-(1)=2(x-(-1))[/tex]
Distribute:
[tex]y-1=2x+2[/tex]
Subtracting 2 from both sides yields:
[tex]y-3=2x[/tex]
Therefore, our answer is B.
Please help! I need help
Answer:
median is 32 and the mean is 21
Tyler finds an expression for V(x) that gives the volume of an open-top box in cubic inches in terms of the length x in inches of the square cutouts used to make it. This is the graph Tyler gets if he allows x to take on any value between -1 and 7.
What is the approximate maximum volume for his box?
Answer:
Step-by-step explanation:
Domain: 0<x<3.5
To get 3.5: 7/2=3.5
Negatives and decimals can't be used
Approximate maximum volume for this box? 55
The proper domain of Noah's graph should be 0 to 3.5 and the maximum of the graph is at y = 60.
It is required to find the approximate maximum volume for his box.
What is co-ordinate geometry?Coordinate geometry is defined as the study of geometry using the coordinate points. Coordinate geometry is required to provide a link between algebra and geometry through the use of line and curve graphs.
Given:
From the attached graph (see attachment), we have the following observations:
1.The x values starts from -1 and ends at 60
2.The domain of the graph is from 0 to 4 (i.e. x-values 0 to 4 have corresponding y-values on the graph)
3.x-values 0 to 3.5 have corresponding non-negative y-values
4.Other values of x have corresponding negative y-values
5.The maximum of the graph is at y = 60
Because the volume of a box cannot be negative, the x-values to use must correspond to non-negative y-values.
Hence, the proper domain of Noah's graph should be 0 to 3.5 and the maximum of the graph is at y = 60.
Learn more about co-ordinate geometry here:
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Nimer was driving to a hotel. He looked at his sat nav at 13:30 and saw the following distance to destination = 65miles nimer arrived at the hotel at 14:48 work out the average speed of the car in mph, from 13:30 to 14:48
Answer:Average speed =50 miles per hour or 50mph
Step-by-step explanation:
We know that Speed is given as= Distance/ Time
Nimer's distance to his destination = 65 miles
Time taken to his destination = 13:30 to 14:48
which is = 14:48--13:30 = 1:18 mins
Converting 1hr 18mins to hours = 1 hour + 18/ 60 = 1 + 0.3 = 1.3 hours
Average speed =Distance/ Time
Average speed = 65miles/ 1.3hr = 50 miles per hour
it cost $245 for 10 people to attend a concert how muchdoes it cost for a group of 8 people
Answer: It will cost $196
245 ÷ 10 = $24.5
$24.5 x 8 = $196
Hope this helps, have a wonderful day!
What is the sum of (4x2+5x – 12) + (7x2 – 6x + 7)?
0.583
What is it in standard form
Answer:
It should be 583*10^-3
Which expression is equivalent to 2 + 3(x - 6)?
A. 5x 30
B. Sx 6
C. 2+ 3x 18
D. 2+ 3x 6
Answer:
C) 2 + 3 x - 18
Step-by-step explanation:
Explanation:-
Given expression 2+ 3(x-6)
⇒ 2 + 3 x - 18
⇒ 3 x - 16
Answer:
Step-by-step explanation:
D
solve this please
log(4x+16)=2
Answer:
X = -3.5
Step-by-step explanation:
Answer:
-7/2
Step-by-step explanation:
4x+16=2
-16 -16
4x= 2-16
4x=-14
/4 /4
x= -7/2
What is 2(5 to the second power) +3(5) - 12
Answer:
53
Step-by-step explanation:
Markus buys an old bike for £50. He cleans it up and sells it for £60. What is his percentage profit?
10 + (2 x 3)2 ÷ 4 × (3 x 1/2)?
Answer:
14.5
Step-by-step explanation:
10 + (2 x 3)2 ÷ 4 × (3 x 1/2)
10 + (6)2 / 4 * (1.5)
10 + 12 / 4 * 1.5
10 + 3 * 1.5
10 + 4.5
14.5
Answer:
20.5
Step-by-step explanation:
10 + 12 ÷ 4 x 7/2
10 + 3 x 7/2
10 + 21/2
10 + 10.5
20.5
a cylinder has height of 12 and a diameter of 10 find the volome
Answer:
942.48
Step-by-step explanation:
V=πr^2h=π·5^2·12≈942.4778
what is true about the line x-4y=8
What is the best unit of measure for gasoline QUICK whoever gives right answer gets brainliest
Answer:
The standard cubic foot
&
The standard cubic meter
Step-by-step explanation:
y= x + 1
y= -x + 5
what's the answer pls I need it asap
Answer:
X= 2 and y = 3
Step-by-step explanation:
please help!!!!! 15 points!!!!
Answer:
the answer is B
Step-by-step explanation: hope this helps :)
A rectangle has a width of 2x and a length of 2x+5, what is the area?
Answer:
what ever the next person says
Step-by-step explanation:
The "h" in the lateral area formula, L = Ph, stands for
Explain what effect an index of 0 has
Answer:
Zero-based numbering is a way of numbering in which the initial element of a sequence is assigned the index 0, rather than the index 1 as is typical in everyday non-mathematical or non-programming circumstances.
plz follow me
will make as brainliest
A garden is going to be built in the city park in the shape of a parallelogram with a rectangular walkway through it. The garden region is shown below. Find the area of the garden region by finding the areas of the individual shapes shown in the figure. 78 ft 72 ft 30 ft 20 ft Answer:
Answer:
328
Step-by-step explanation:
30+30=60 +(78 +78) = 216 + 72= 288 + (20+20) = 328
Answer:
The answer is 328
Step-by-step explanation:
I took the test an explenation is exactly like the other comment said, you add the sides up and bam.
Also, Stay Safe, SS. ps. Dont cough or sneeze on other people, wear your mask in populated areas, and sanitize. <3Solve
7 + X = 2x-5
3
Answer:
the exact form is 22/5
decimal form is 4.4
mixed number form is 4 2/5
Step-by-step explanation
isolate the variable by dividing each side by factors that don't contain the variable
Genevieve deposited $400 into her bank account. The equation A(t) = 400(1.07) can be used to calcula
the value of her money after t years. What is the annual interest rate she is earning on her deposit?
0.07%
1.07%
7%
O
107%
Answer: 7%
Step-by-step explanation: I did the test.
Which of the
following numbers
is written in
CORRECT
scientific notation?
Select all that
apply.
Drag circles onto
each answer
choice.
A) 30 x 10^2
B) 1.7 x 10^-12
C) 6 x 10^-7
D) 0.3 x 10^-3
E) 10 x 10^10
F) 2.4 x 10^8

Help will mark Brainliest
Answer:
To find the slope, use the formula rise/run or change in y/change in x
In this case, the slope is 5
To find y-intercept, substitue values for x and y
Step-by-step explanation:
-3 = 5(2) + b
-3 = 10 + b
-10 -10
-13 = b
Therefore, b is -13
So here's how the equation looks in slope-intercept form
y = 5x + -13