Answer:the length of the shorter string= 36cm
Step-by-step explanation:
Let us assume the lengths are 2x and 7x since thery are in the ratio of 2 :7
Such that Length of the shorter string = 2x
and the longer string = 7x so that the difference in Length which is 90cm can be expressed as
7x- 2x= 90
5x= 90
x 90/5
x= 18
shorter string = 2 x = 2x 18= 36cm
Longer strring = 7x 18=126cm
If your sales are 640 and the commission rate is 7% what is the commission
Answer:
44.80$
Step-by-step explanation:
Simplify: -5(3c-9) – 9c – 7c2 +5
What’s the answer?
Answer:
ANSWER: [tex]-7c^{2} -24c+50[/tex]
Step-by-step explanation:
The value of a painting rises from $120,000 to $192,000.
Work out the percentage increase in the value of the painting.
Step-by-step explanation:
Traders have invested $ 100,000 in the Peace Garden Center to boost the capital Mogadishu and make a profit. looga farm income to make people come to the door to take the free tickets for different values $ 0.8 adults and 0.6 children. As many as 150 tickets were sold on Friday for $ 102. produce more child tickets than adult tickets?
Please be quick
Show that x^2+5x=3
[tex]\frac{-5 + \sqrt{37} }{2}[/tex]
Note:Have no clue if its right
Answer:
see explanation
Step-by-step explanation:
The area (A) of the rectangle = length × breadth, that is
A = BC × CA
= (x + 3)(x + 2) ← expand using FOIL
= x² + 5x + 6
Given that A = 9 , then
x² + 5x + 6 = 9 ( subtract 6 from both sides )
x² + 5x = 3 ← as required
–4.2 = –1.96(m − 10) + –4.2
Find variable
Answer:
m=10
Step-by-step explanation:
–4.2 = –1.96(m − 10) + –4.2
–4.2=-1.96m+19.6-4.2
-19.6=-1.96m
m=10
Gabrielle is 10 years younger than Mikhail. The sum of their ages is 40. What is Mikhail's age
Answer:
Mikhail is 25 and Gabrielle is 15
Step-by-step explanation:
g = (m-10) and g+m = 40
We'll substitute that first equation into the second
(m-10) + m + 40
2m - 10 = 40
2m = 50
m = 25
Answer:
A) G +10 = M
B) G + M = 40
A) G -M = -10 Adding A) + B)
2 G = 30
Gabrielle is 15
Mikhail is 25
Step-by-step explanation:
Please solve fast. I will mark brainliest
Answer:
c
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
I'm lazy to type a paragraph and learned this a while ago, but if my memory is correct its C
Question 24 A right triangle is shown below. B C с А 6 Which of the following equals sin A? A tan B B cos A C tan A cos B
Is this correct?!?! Pls let me know
Answer:
Nope. It isn't.
Step-by-step explanation:
6^2 + 8^2 = 100, and 100 = 10^2. So that means that the thing that you chose is incorrect.
How much pure alcohol should we add to 18 gallons of 35% acid solution to obtain a solution that is 55% alcohol?
Answer:
8 Gallons
Step-by-step explanation:
8 gallons pure alcohol should we add to 18 gallons of 35% acid solution to obtain a solution that is 55% alcohol.
Calculation:
Let the amount of pure alcohol (100%) required be X.
Therefore, 18 gallons at 35% mixed with X gallons at 100% will give (X + 18) gallons at 55% of alcohol.
It means, 18×35 + X×100 = (X +18) ×55
630 + 100X = 55X + 990
100X - 55X = 990 - 630
45X = 360
X = 360 ÷ 45
X = 8 gallons
Which alcohol is consider as pure alcohol?An ethanol is a an alcohol which is consider as pure alcohol with molecular formula C2H6OH.
To learn more about pure alcohol here.
https://brainly.com/question/21440134
#SPJ2
I will mark you the brainliest help plesdd
What is the missing reason in the proof?
Both C and D are incorrect.
Answer:
"C" is correct answer its not incorrect
Step-by-step explanation:
Let f(x)=√x^2 - 64. Evaluate the function f(-x). What conclusion can be made?
a.) The function is an odd function.
b.) The function is both an even and an odd function.
c.) The function is an even function.
d.) The function is neither an even nor an odd function.
9514 1404 393
Answer:
c.) The function is an even function.
Step-by-step explanation:
Either way you interpret the given function, you have ...
f(-x) = √(-x)^2 -64 = √x^2 -64
f(-x) = f(x) . . . . the function is an even function (only)
Which inequality is true?
0 -9 > 13
-10 > 9
0 -10 > -9
0 -13 < -10
Answer:
The last one.
1)0-9=-9
And a negative number is always smaller than a positive one
2)Negative number always smaller than positive
3)The smaller a negative number is, the closer it is to zero, so the greater it is
4)correct
What is the value of the expression 10 − ( fraction 1 over 2 )4 ⋅ 48? (1 point)
Answer:
Just want to ask if it is 10 - 1/2 × 4 × 48 right? If the expression is this then the answer is -86.
Hope this helps, thank :) !!
A Math problem I need help on
Give an example of a linear function whose graph intersects with the y-axis at the same points as the graphs of the following functions.
y= x+11
y= -9x-6
Answer:
Given functions:
y= x + 11y= -9x - 6They have different y-intercepts, therefore the line to intersect y-axis at the same points is y-axis itself.
The equation is:
x = 0The graph is attached
---------------------------------------
Note. If the question is about the lines above separately, then the answer is following
The first line has y-intercept of 11, any line with same y-intercept is the answer:
y = mx + 11, where m ≠ 1For the second line the equation is:
y = mx - 6, where m ≠ -9Answer:
y = mx + 11, where m ≠ 1
For the second line the equation is:
y = mx - 6, where m ≠ -9
Jacob has 6.15 meters of rope. He is going to use 1.2 meters of rope to tie up his boat. How many centimeters of rope does he have left?
Answer:
495 cm
Step-by-step explanation:
Remark
When you do the subtraction, whatever is left (the decimal part) is the length in cm when multiplied by 100.
Solution
Remaining rope = starting length - what was used.
Remaining rope = 6.15 - 1.2
Remaining rope = 4.95 meters
Answer
The remaining rope = 4.95 * 100 = 495 cm
A bicycle is worth 500 dollars , decreases in value by 7.8% per year.Set up a function to model this situation.Use the model to show how much the bike will be worth after 5 years.
Answer:
$333.138
Step-by-step explanation:
Given that:
Initial value = $500
% decrease in value per year = 7.8% = 0.078
Price after t years is given by :
P(t) = initial value(1 - 0.078)^t
Where, t = number of years
Price after 5 years :
t = 5
P(5) = 500(1 - 0.078)^5
P(5) = 500(0.922)^5
P(5) = 500 *0.666276668105632
P(5) = 333.138334052816
= $333.138
this is my question
Answer:
3
3+3+27=33
Step-by-step explanation:
Answer:
so you would have to subtract and that would be 7=w
Step-by-step explanation:
Which inequality correctly orders the numbers -5,-3, and 2 from greatest to least?
Answer:
1) 2 > -3 > -5
Step-by-step explanation:
that is mathematically correct
what would y & x be ? PLZ HELP NEED DONE IN 20 MINUTES !
Answer:
photomath
so it would be -2x-3
Answer:
x = 6
y= -3
Step-by-step explanation:
x is always the line going across like a straight line horizontally (think of horizon)
and y goes up and down vertically
4. Communicate Precisely When you graph a quadratic function, the
y-intercept appears to be 1, and the x-intercepts appear to be -4 and 2.5.
Which values represent the solution(s) to the related equation of the
function? How can you check? Explain
Answer:
solo respondo esto por los puntos
Population of Jacksonville was 3810 and 2010 and is growing at an annual rate of 3.5% if the growth rate continues what will the approximate population in 2023
Answer:
FV= 5,958.67 = 5,959
Step-by-step explanation:
Giving the following information:
Current population (Present Value)= 3,810
Growth rate (g)= 3.5% annual
Number of periods (n)= 13 years
To calculate the future number of people (FV), we need to use the following formula:
FV= PV*(1+i)^n
FV= 3,810*(1.035^13)
FV= 5,958.67 = 5,959
What is the coefficient in the following expression? 4y - 17
Answer:
The coefficient of 4y-17 is 4
Step-by-step explanation:
1. Clare is cycling at a speed of 12 miles per hour. If she starts at a position chosen as zero, what will her position be after 45 minutes?
2. Han is cycling at a speed of -8 miles per hour; if he starts at the same zero point, what will his position be after 45 minutes?
3. What will the distance between them be after 45 minutes?
h el p I really need it
Answer:
Clare will be at 9 miles an hour
Step-by-step explanation:
Four silos with circular bases are shown in the image with a diameter of 20 feet. What is the area of one of the bases?
A. 1256 sq. ft.
B. 125.6 sq. ft.
C. 314 sq. ft.
D. 62,8 sq. ft.
Look up "Everything You Need To Know About Math In One Big Fat Notebook pdf." It's the best thing I've ever been given, I have it with me in math class all the time and I've aced every test.
What is the y-intercept of 2x-y=10
Answer:
( 0, -10 )
Step-by-step explanation:
the y intercepts is ( 0, -10 ) as u can see in this pic
Answer:
(0, -10)Step-by-step explanation:
We need to convert the equation to slope-intrcept form y=mx+b, where b is the y-coordinate of Y-intercept point
2x - y = 10 {subtract 2x from both sides}
- y = -2x + 10 {divide both sides by (-1)}
y = 2x - 10 ⇒ b = -10
Therefore y-intercept of the line is (0, -10)
A grocer has two kinds of tea: one selling for 80 cents a pound and the other selling for 60 cents a pound. How many pounds of each kind must be used to make 50 pounds worth 74 cents a pound?
Answer:
35 pounds of tea for 80 cents.
Step-by-step explanation:
Equation::
value + value = value
80x + 60(50-x) = 74*50
80x + 60*50 - 60x = 74*50
20x = 14*50
x = 35 lbs (amt. of 80 cent tea to use)
50-x = 15 lbs (amt. of 60 cent tean to use)
Answer:
35 pounds of tea for 80 cents.
15 pounds of tea for 60 cents.
Step-by-step explanation:
x · 80 + y · 60 = 50 · 74
x + y = 50 · (- 60)
80x + 60y= 50 · 74
- 60x - 60y = -50 · 60
20x = 50 · (74-60) = 50 · 14
x = 50 · 14/20
35 pounds of tea for 80 cents.
y = 50 - 35 =
15 pounds of tea for 60 cents.
Which value is a solution for the equation tan x/2 = -1?
A. 5pi/4
B. 7pi/4
C. 3pi/4
D. 3pi/2
Answer:
D
Step-by-step explanation:
What we have to do is to find the arc tan
x/2 = arc tan (-1)
tan is negative on the 4th and second quadrant
arc tan (-1) = 135 or 315
pi is 180 degrees
so we have;
135 is 3 pi/4
multiplied by the 2
= 6 pi/4 which is 3 pi/2
315 is 7 pi/4 which is same as 7 pi/2 when we multiply by 2
Answer:
the answer is d