Answer:
200 cm (or 2 meters) or 80% of the original 250 cm is left. let me know if you have any questions.
Step-by-step explanation:
I'm not sure if that's asking for an exact amount or percent, so I will do both.
The trick either way is to match units. we have meters and centimeters. You could make either one match the other. so 2.5 m is 250 cm and 50 cm is .5 m.
You do have to know how many centimeters is in a meter, but once you know that you can set up unit conversions, which are super simple.
there are 100 cm in a m. a unit conversion is basically a fraction that cancels out units. starting with 2.5 m we want to cancel out m so the fraction we use has the m part in the denominator. so 2.5m * (100 cm)/(1 m). (100 cm)/(1 m) is the unit conversion, and just like variables the m in the denominator cancles out the m in the starting value so it turns into 2.5 * 100 cm/1 = 250 cm.
similarly to go from 50 cm to meters you make the unit conversion have cm in the denominator. so 50 cm * (1 m)/(100 cm) = .5 m. again, the cm int he denominator cancels out the cm in the unit being multiplied. Let me knwo if this is still not clear.
Anyway, now we have the numbers we need. let's make them all cm, I think using the smallest unit is usually easiest. so that's 250 cm total and 50 cm used.
In pure numbers, that means 200 cm is left (which is 2 meters) after 50 cm gets used.
percents is a little trickier. if 250 is 100% then 50 is 20%, which you can get by doing 50/250. if you do not know, a fraction a/b gives you the percent a is of b. Or rather it gives you a decimal, and if you multiply it by 100 it gives you the percent.
anyway, if 20% is used then 80% is left. if you did 200/250 you would get that.
A long-distance delivery truck averages 8 miles per gallon when the truck is full. The
miles per gallon improves by 20% when the truck is empty. If the truck travels 160 miles
full to deliver its goods, and then travels back 160 miles empty, approximately how many
gallons will the truck use in all?
The gas used by truck is 36.66 mpg.
What is linear equation?When graphed, a linear equation always produces a straight line because it is an algebraic equation with each term having an exponent of 1. It is referred to as a "linear equation" for this reason.
One-variable linear equations and two-variable linear equations exist.
Given
A long-distance delivery truck averages 8 miles per gallon when the truck is full.
The miles per gallon improve by 20% when the truck is empty.
The distance delivery truck averages 8 miles per gallon when full, and the amount of gasoline used (g) is expressed in terms of the number of miles driven ([tex]m_{f}[/tex]).
When the truck is full, the amount of gasoline is shown as,
[tex]m_{f}[/tex] = d/8
given distance is 160 miles
[tex]m_{f}[/tex] = 160/8 = 20 mpg
Then,
The miles per gallon improve by 20% when the truck is empty.
The number of miles driven when empty is represented as,
[tex]m_{e}[/tex] = d/(8 + 1.6)
[tex]m_{e}[/tex] = d/9.6
[tex]m_{e}[/tex] = 160/9.6
[tex]m_{e}[/tex] = 16.66 mpg
total gasoline required = [tex]m_{e}[/tex] + [tex]m_{f}[/tex] = 20 + 16.66 = 36.66 mpg
Hence the total gas used is 36.66 mpg.
Learn more about linear equation;
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25 points pls help
which of the following rational functions is graphed below?
Step-by-step explanation:
The answer is C I gotchu .....
Answer:
C.
Step-by-step explanation:
(✿◡‿◡) <-- she wants Brainliest
Tell ur mom she did a good job makin such a cute girl ✪ ω ✪ バイバイ～。!
1+ 1092 divided by 63 mulitlpyed by 45 =
Answer:
780.714
Step-by-step explanation:
Answer:=781
Step-by-step explanation:
Area of a square is 196 cm²
. Find the perimeter of the square. (ii) If the square is altered into a rectangle by increasing the length by x
centimeters, and decreasing the breadth by y centimeters, find the area of
the rectangle in terms of x and y.
Step-by-step explanation:
Area of Square=side²
Side=√(Area of the square)
Given area of the square=196cm²
Side of the square=√196=14cm
Perimeter of square=4*side=4*14=56cm
Length of the rectangle=(14+x)cm
Breadth of the rectangle=(14-y)cm
Area of rectangle=Length*Breadth=
(14+x)(14-y)=14(14)+14(-y)+x(14)+x(-y)=(196-14y+14x-xy)cm²
What is the measure of the missing angle
Answer:
41°
Step-by-step explanation:
The sum of the 3 angles in a triangle = 180°
let x be the missing angle, then sum the angles and equate to 180°, that is
87° + 52° + x = 180°
139° + x = 180° ( subtract 139° from both sides )
x = 41°
helppp asap please!!
Answer:
p= 8250
r=7.25
t= 3 years
p×r×t
figure out the rest
Can you please solve this
Answer: [tex]\frac{2(x-7)}{5(x-3)(x-2)}[/tex]
Step-by-step explanation:
I'll do the fraction on the left, then the one on the right. Follow the screenshots below to help you out.
1. Use distributive property. The first of the images is me distributing all the values on the fraction on the left. Now I will do the ones on the left.
2. I used the same method. Now I will multiply the two.
3. [tex]\frac{2(x-7)}{5(x-3)(x-2)}[/tex]
what is the area of the triangle
Answer:
4 units²
Step-by-step explanation:
The area (A) of a triangle is calculated as
A= [tex]\frac{1}2}[/tex] bh ( b is the base and h the perpendicular height )
Here b = 4 and h = 2 , then
A = [tex]\frac{1}{2}[/tex] × 4 × 2 = 2 × 2 = 4 units²
Given: 2x^2+ 32x + 16 = 0
Step 1: x^2+ 16x +8=0
Step x^2+ 16x = -8
Write numbers in each box to correctly complete the square In Step 3.
Step 3: x^2+ 16x +
Answer:
Step 3: x² + 6x + 64 = -8 + 64
Step-by-step explanation:
At step 3 add 64 on both sides to complete the square.
so x² + 6x = -8
becomes x² + 6x + 64 = -8 + 64 when 64 is added both sides giving us step 3.
continuing from there, we get
x² + 6x + 64 = 56
we then use a² + 2ab + b² = (a + b)² on the left side to get
(x + 8)² = 56 (solve the equation for x)
by taking the root on both sides
√(x + 8)² = √56
x + 8 = +- 2√14 (separate the equations
x + 8 = 2√14
x + 8 = -2√14
Solving for x
x = 2√14 - 8 or x = -2√14 - 8
Can someone please check my answer?!
Answer:
You answered it correctly :)
Step-by-step explanation:
f (x)= 1-x
___
1+x
show that ff (×)= x
Answer:
mhmhmh
Step-by-step explanation:
Answer:
2
Step-by-step explanation:
the qhfjibv clicks its 2
Factor the expression.
7x+42
Answer:
7(x+6)
Step-by-step explanation:
hope it helps :)
Can someone help me?????
Miss Penny inherits £1040
she decides to save some of the money and spend the rest
the ratio of savings to spending money is 5:8
how much does she save and how much does she spend
Answer:
Step-by-step explanation:
first we simplify the ratio
5:8
8/5=1.6
1:1.6 so for every 1 dollar she save she spends 1.6
next we do 1040/1.6=650
1040-650=390
390:650
i hope this helps and is the correct answer pls let me know
Members of the school orchestra are organizing a trip to a concert. If tickets cost $14 each, how many tickets can be purchased with $500? The concert hall offers a special price of $12 per ticket. How many more tickets can be purchased with the $500 if the cost is $12 per ticket?
Answer:35
Step-by-step explanation:
I did this and got it correct
Answer:
Here you are! Hope this helps
all expressions equivalent to 3.1y+ (y+10) + 4.2y
Answer:
8.3y + 10
Step-by-step explanation:
you need to answer A and B!!! PLEASE HELP
Answer:
13x+14
Step-by-step explanation:
because the original equation would be 5x(2)+3x+7(2) simplified would be 13x+14
Simplify. Express your answer as a single fraction in simplest form.
x x
5
Answer:
[tex]\frac{x}{20}[/tex]
Step-by-step explanation:
Given
[tex]\frac{x}{4}[/tex] - [tex]\frac{x}{5}[/tex]
The LCM of 4 and 5 is 20
= [tex]\frac{5x-4x}{20}[/tex]
= [tex]\frac{x}{20}[/tex]
Ethen is ‘x’ years old. Raj is 8 years older than Ethen. Find the sum of their ages in 6 years time.
Answer:
The sum of their ages in 6 years time is (2x+20) years.
Step-by-step explanation:
Given that,
Ethen is ‘x’ years old.
Raj is 8 years older than Ethen.
Raj's age = (x+8) years
We need to find the sum of their in 6 years.
After 6 years,
Ethen's age = (x+6) years
Raj's age = (x+8)+6
= (x+14) years
Sum of ages = (x+6) + (x+14)
= 2x+20
Hence, the required answer is (2x+20) years.
What is the measure of angle x?
There are 60 children in a club.
In the club, the ratio of the number of girls to the number of boys is
3
:
1
3
5
of the girls play a musical instrument.
4
5
of the boys play a musical instrument.
What fraction of the 60 children play a musical instrument?
Answer:
13/20
Step-by-step explanation:
hope this worked!! god bless!!!
URGENT !!!!!!! Please answer correctly !!!!!!!!!!!! Will be marking Brianliest !!
Answer:
A=79.2[tex]in^{2}[/tex]
Step-by-step explanation:
A=a+b/2*h
A=5.4+14.4/2*8
A=19.8/2*8
A=9.9*8
A=79.2
TJ averages being the imposter 2 times every 5 games of Among Us. How many games does he have to play to be the imposter ones?
Answer:
10
Step-by-step explanation:
DE is a midsegment of AABC. Find the value of x.
A
х
D
B
E
6
-
X=
please HELP 30 points
keith buys 6 pencils for 90p
how much does one pencil cost?
how much would five pencils cost
how much would eleven cost ?
Answer:
1 Pencil = 15p
5 Pencils = 75p
11 Pencils = 165p --> £1.65
Step-by-step explanation:
To find one pencil... 90 / 6 = 15
To find 5 pencils... 15 (worth 1 pencil) * 5 = 75
To find 11 pencils... 15 (worth 1 pencil) * 11 = 165 which is £1.65
why is 3 1/2 multipiled by x in the equation
Answer:
I don't know the equation, but I will assume that 3 1/2 is the slope.
Step-by-step explanation:
For example, in the equation y = 10x - 9, the slope is 10.
Answer:
3 1/2 x is multiplied by x In the equation because it is the coefficient, the number being multiplied by the variable
Step-by-step explanation:
Mac Cosmetics sells a lip gloss for $15.50, but it only costs the company $6 to make it. What is the percentage markup on the lip gloss? Show all of your work and record your final answer in the space below.
Answer:
258 percent
Step-by-step explanation:
15.5/6 is 2.58, which is 258 percent
hat is the slope and y-intercept of the linear function?
y = -8x + 2
Answer:
Slope: -8
y-intercept: (0,2)
Step-by-step explanation: Hope this helped! Use the slope intercept form to find the slope and y.
Which set of ordered pairs represents y as a function of x?
1 picture 2 questions please help
Answer:
7)It is possible for two rectangles to have the same area but not the same perimeter 8) 8cm
Step-by-step explanation: