Answers
Answer: B
Step-by-step explanation:
x = van
y = bus
12x + 9y = 456
1x + 2y = 83
(Simplify equations)
9y = -12x + 456
y = -1.3x + 456/9
2y = -x + 83
y = -1/2x + 41.5
(Find x)
-1.3x + (456/9) = -.5x + 41.5
0.8x = 9.16
(Round)
x = 11
(Find y by plugging x in)
y = -1/2(11) + 41.5
y = -5.5 + 41.5
y = 36
(Check)
12(11) + 9(36) = 456
132 + 324 = 456
1(11) + 2(36) = 83
11 + 72 = 83
Related Questions
The formula for calculating annual insurance premiums is
A. p = 12rb
B. p= 2drb
C. p= 2drf
D. p = 2rb
Answers
The formula for calculating annual insurance premiums is: D. p = 2rb.
What is Insurance premiums?Insurance premium can be defined as an insurance coverage that help to cover expenses incase of unforseen circumstance thereby saving cost.
Annual insurance premium is the amount that a person pays to an insurance company annually which will serve as an insurance coverage.
Inconclusion the formula for calculating annual insurance premiums is: D. p = 2rb.
Learn more about insurance premium here:https://brainly.com/question/25855858
What is the degree of the polynomial?
4x3+3x2−9x+7
Answers
Answer:
3
Step-by-step explanation:
The highest degree amount or exponet amount is the power of a equation.
3 is the highest exponet so it is 3.
cv0627 answer this :))
Answers
they took my first answer off, so i came back. but honestly thank you for the points. have an amazing day!
guys please help i have 5 mins left please 50 points
Answers
Answer:
domain: (4, 1, 0, -1, 1)
range: (2, 3, 0, -1, -3)
Step-by-step explanation:
domain: x-values
range: y-values
Answer:
Domain: {-1, 0, 1, 4} Range: {-3, -1, 0, 2, 3}
Step-by-step explanation:
Hi there,
To find the domain, list all of the x values and put them in numerical order. Don't repeat the same numbers.
Do the same thing for the y values when finding the range.
Hope this helps. Cheers.
FASSSSSSTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT
Answers
Answer:
p=25 degrees
Step-by-step explanation:
70 and 20+2p are verticle angles, so they are equal
70=20+2p
-20-20
50=2p
/2 /2
25=p
Answer:
p = 25 degrees
Step-by-step explanation:
2p = 70 - 20
2p = 50
p = 50 / 2
p = 25
Hope that helps!
HELP ILL GIVE BRAINLIEST
Answers
Answer: The answer is B
Hope this helped love<3
help!! i’m super confused on these math question explain !!
Answers
The slope of a perpendicular line is the opposite reciprocal: meaning you change the sign (from - to + or from + to -) and flip the numerator and denominator (for example if your slope is -2, the perpendicular line’s slope would be 1/2).
First, find the slope of the graphed line. The two points you are given are (-1, 4) and (-2, 7). The formula for slope is m = (y2 - y1) / (x2 - x1) where m is the slope, and (x1, y1) and (x2, y2) are points. Plugging these points into the slope formula you get:
m = (7-4)/ (-2+1) = 3/-1 = -3.
The opposite reciprocal of -3 is 1/3, so the slope of the new line is 1/3.
In slope-intercept form, equations look like this: y = mx + b. M is your slope, and b is your y-intercept. You know the slope of the perpendicular line is 1/3 but still need to find the y intercept. To do this, first plug in your slope to the formula: y = 1/3x + b. Next, plug in (-6,5) to the equation for x and y and then solve for b.
5 = 1/3(-6) + b
5 = -2 + b
7 = b
Now you know what b is, you now have the full equation of the line: y = 1/3x + 7. You can now graph the line, too.
For #2, you are being asked to draw a line parallel to the graphed line which passes through the point (6,5)
The slope of a parallel line is the same as the slope of the original line.
The two points you are given are (-6,0) and (0,9). Plug these into the slope formula:
m = (9-0)/(0+6) = 9/6
The equation of the parallel line so far is y = 9/6x + b
Plug the point (6,5) into the equation to solve for b.
5 = 9/6(6) + b
5 = 9 + b
-4 = b
The equation is y = 9/6x -4. Now you just have to graph it.
I hope this helps :)
pls help i only have 10 minutes on my math test!!
the ratios are
8:5 ?????:10
Answers
Answer:
8:5. 16:10
Step-by-step explanation:
5 was doubled so you would double 8 aswell
translation 5 units to the left and one down
Answers
Answer:
by poop needs 5 more poin
Which angle is complementary to DFE? Pls answer
Answers
Answer:
<DFA
Step-by-step explanation:
When combined (<DFA and <DFE), they'll form 90 degrees which will make them complementary
Answer:
Two angles are called complementary if their measures add to 90 degrees, and called supplementary if their measures add to 180 degrees. If two angles are complementary then they will add up to be 90, or inversely, if two angles add up to be 90, then they are complementary. If you know one acute angle, you can calculate its complementary angle by subtracting 90 and the angle. When the sum of two angles is equal to 90 degrees, they are called complementary angles. For example, 30 degrees and 60 degrees are complementary angles.
The complement of −135° is the angle that when added to −135° forms a right angle (90° ).
Step-by-step explanation:
Caden, Zoe, and Sophia shared a pizza. Caden ate 20 percent of the pizza. Zoe ate 50 percent more of the pizza than Caden ate. Noah ate 50 percent more of the pizza than Zoe ate, and Sophia ate the rest of the pizza. Find the percentage of the pizza that Sophia ate.
Answers
Answer:
Step-by-step explanation:
c=.2, z=1.5(.2), n=1.5(1.5).2
s+c+z+n=1
s+.2+1.5(.2)+1.5(1.5).2=1
s+.2+.3+.45=1
s+.95=1
s=.05
So Sophia ate 5% of the pizza
Answer:
Sophia ate 5%.
Step-by-step explanation:
Caden ate 20%. Zoe ate 50% more than him, so 150% of 20%. That is 20+half of 20, which is 30. So zoe ate 30%. Noah ate 50% more than her, so 150% of 30%, which is 45%. Add them together and get 95%. That leaves 5% for Sophia to eat.
Write the equation 3x + 6y = 12 in slope intercept form.
Answers
Answer:
Step-by-step explanation:
Ms. Aluma is 165 cm tall. She wants to find her height in meters. Divide her height in centimeters by 100 to find her height in meters.
Answers
1.65 meters...........
Unit conversion is a way of converting some common units into another without changing their real value. Ms. Aluma is using the correct option.
What is Unit conversion?Unit conversion is a way of converting some common units into another without changing their real value. for, example, 1 centimetre is equal to 10 mm, though the real measurement is still the same the units and numerical values have been changed.
Given that Ms Aluma is 165 cm tall and She wants to find her height in meters. Therefore, if we divide her height in centimeters by 100 to find her height in meters.
Since 1 meter is equal to 100 cm, therefore, the method used by Ms. Aluma is correct. Therefore, the height of Unit conversion is,
Height of Ms. Aluma = 165 cm
= 165/100 meters
= 1.65 meters
Hence, Ms. Aluma is using the correct option.
Learn more about Units conversion here:
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Help, please giving 20 points
Answers
Answer:
the answer is c!
Step-by-step explanation:
PLS PLS HELP: GRADE 7 MATH!!!!!
Answers
Answer:
B and D
Step-by-step explanation:
Diego’s family car holds 14 gallons of fuel. Each day the car uses 0.5 gallons of fuel. A warning light comes on when the remaining fuel is 1.5 gallons or less.
Write an inequality to determine the number of days Diego’s father can drive the car before the warning light comes on. Use t as your variable.
Answers
I need help for geometry
Answers
Can someone please help me I'm stuck on this question im in desperate need of help
Answers
Answer:
A
Step-by-step explanation:
Point L's coordinates' difference is 7.
Point C's is 1.
Point H's is 2
And Point A's is 1
Hope that helps!
Answer:
A) Point L
Step-by-step explanation:
Point L (8,1)
8 for the x-axis and 1 for the y-axis
So the difference =(8-1-=7
While point A=(9-10)=-1
Point C=(2-3)=-1
Point H=(4-6)=-2
Please help me pretty please
Answers
Answer:
[tex]\sqrt{29} ,6,2\pi ,3\sqrt{8}[/tex]
Step-by-step explanation:
Hello there!
First lets find the value of each irrational number
[tex]6 = 6\\\\\sqrt{29} =5.385164807\\\\2\pi =6.283185307\\\\3\sqrt{8} =8.485281374[/tex]
now we can easily put them in order from least to greatest
5.3, 6, 6.2, 8.4
then we change it to its irrational form
so the correct order would be
[tex]\sqrt{29} ,6,2\pi ,3\sqrt{8}[/tex]
Answer:
your answer will be Option D
Step-by-step explanation:
hope it helps
Please help me with finding the length of AC. I’ll make this 20 points since it’s kinda long. Please don’t guess my grades depends on it
Answers
Since the triangle is a right angled, to find one side we should use the pythagoras theorem.
The longed side of the triangle is called the hypotenuse.
In equation form: x² + y² = z²
Therefore: 12² + x² = 13²
114+x²= 169
x²= 169-114
x²= 55
x = 7.41
Therefore the length of AC = 7.41
What’s 4x + 3 = 2x + 23 ?
Answers
4x+3=2x+23
-3. -3
4x=2x+20
-2x. -2x
2x=20
/2. /2
X=10
Answer:
= 10
Hope this helps if so don't hesitate to 'Thanks' and/or 'brainliest' this answer!
Formula of perimeter square is
a) L×B
b) 2×(L+B)
c) 4×side
Answers
Answer:
B
Step-by-step explanation:
Can someone help me do 13, 14 and 15 thank u
Answers
Answer:
Step-by-step explanation:
Can someone plz help me with this one problem plz!!!
I WILL MARK BRAINLIEST!!!
Answers
Answer:
(1,6) , (2,7) , (3,8) , (4,9) , (5,10)
Step-by-step explanation:
Given equation: y = x + 5
when x = 1, y = 1 + 5 = 6
(1,6)
when x = 2, y = 7
(2,7)
when x = 3 , y = 8
(3,8)
when x = 4 , y = 9
(4,9)
when x = 5 , y = 10
(5,10)
Select all equations that have x = 3 as a solution.
Answers
Answer:
Plug in a 3 every time you see an "x" and the left side should equal the right side
Step-by-step explanation:
A company uses paper cups shaped like cones for its water cooler. Each cup has a height of 12 cm, and the base has a
radius of 3.5 cm. How much water is needed to fill 50 cups?
Use 3.14 for pi and do not round your answer.
Answers
Answer: 7693cm
Step-by-step explanation:
The volume of a cone is given as:
= 1/3πr²h
where π = 3.14
radius = 3.5cm
height = 12
Volume = 1/3πr²h
= 1/3 × 3.14 × 3.5² × 12
= 153.86cm³
Therefore, the amount of water that is needed to fill 50 cups will be:
= 153.86 × 50
= 7693cm
Find the 68th term of the arithmetic sequence -19, -33, -47, ...
Answers
Answer:
-957
Step-by-step explanation:
... -915, -929, -943, -957, -971, -985, -999 ...
In this triangle what does b equal (it does not give me options)
Answers
The answer is 21.
Hope this helps. Have a nice day.
Four plumbers estimated the length of the radius of a cylindrical pipe. The estimates made by the plumbers are listed.
• Plumber W estimated that the radius had a length of 3/25 inches.
• Plumber X estimated that the radius had a length of \|3/11 inches.
• Plumber Y estimated that the radius had a length of 9/100 inches.
• Plumber Z estimated that the radius had a length of pi/24 inches.
Which list shows these lengths in order from greatest to least?
Answers
Answer:https://brainly.com/question/22157981
Step-by-step explanation:
https://brainly.com/question/22157981
Simplify 9x^0y^-3 write your answer using only positive exponents 
Answers
Answer:
9x/y³
Step-by-step explanation:
The simplification of the expression 9x⁰y⁻³ will be 9/y³.
What is the law of indices?Index (indices) in Maths is the power or exponent which is raised to a number or a variable.
In another word the mathematics of power or exponent of any number is called indices.
As per the given expression,
9x⁰y⁻³
By the law of indices that, [tex]x^{-m}[/tex] = 1/[tex]x^{m}[/tex]
9x⁰y⁻³ = 9x⁰ × 1/y³
⇒ 9(1)/y³ = 9/y³
Hence "The simplification of the expression 9x⁰y⁻³ will be 9/y³".
To learn more about indices,
https://brainly.com/question/170984
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