Answer:
Step-by-step explanation:
First one is 200 dollars for insurance which will be the constant and 15 dollars an hour which means the equation will be;
C = 15h +200 (Sinking Rivers)
Second one is $30 an hour and $110 for insurance which is the constant so he equation is;
C = 30h + 110 (Floating Down The Stream)
Hurry I WILL MARK YOU AS BRAINLIEST
Answer:
Third choice is correct
Step-by-step explanation:
-2x-y=-2
-y=2x-2
y=-2x+2
3x-y=-2
-y=-3x-2
y=3x+2
These two lines intersect at (0, 2)
Which of the following explains why cos 60º = sin 30° using the unit circle?
Rick asked a random sample of 160 students from his school what they did for lunch. The table shows the results of Rick’s survey. Work out the relative frequency of eating school lunch. Input note: give your answer as a fraction.
Answer:
43/160
Step-by-step explanation:
To find the relative frequency,
We just have to know things:
1. The data for asked event
2. Total number of data.
With these 2 points, we can create a fraction that is formed like this:
Data of event / Total data
In this case it is:
43/160
Hope this helps
Find the solution to the problem and show your steps. -7x+9=3x+49
Answer:
x=-4 is the answer
Step-by-step explanation:
-7x+9=3x+49
Subtracting 3x on both sides
-7x-3x+9=49
Subtracting 9 on both sides
-10x=49-9
-10x=40
x=-4
I hope this will help you :)
A train travelled from Dhaka to Darshana. The train took 5 hours and 30 minutes. The train travelled a distance of 327 kilometres. Work out the average speed of the train. Give your answer in kilometres per hour correct to the nearest whole number.
Answer:
59 kph
Step-by-step explanation:
The train goes 327 in 5 and 1/2 hours
So we do 327 / 5.5 = 59.49.....
Then we round down to get:
59 kpm
simplify (2) - (x2-x3+2x-1)
Answer:
-x + 3
Step-by-step explains:
Um... You can do it on a computer...
There are 1,000 cubic centimeters in 1 liter, 1,000 cubic millimeters in 1 milliliter, and 1,000 milliliters in 1 liter. How many cubic millimeters are there in 200 cubic centimeters?
Answer:
200,000 cubic milliliters
Step-by-step explanation:
PLEASE MARK BRAINLIEST
Simplify the polynomial (3a^2+4a+25) - (2a^2+4a-5)
Answer:
The polynomial simplified would be a^2 + 30
I hope this helps you:))
P.S. Might I recommend a good online calculator for these types of problems. It's called Symbolab. I use it every day and it's a lifesaver. It shows the step-by-step and has a plethora of different actions like simplifying, inverse, and line.
PLEEASEEEEE HEEELP 40 POINTS
f • g denotes the product of f and g, so that
[tex](f\cdot g)(x)=f(x)\cdot g(x)=(3x-8)(-2x+5)[/tex]
Without computing the whole product, just look at the first terms, [tex]-6x^2[/tex]. This tells you that f • g is quadratic, and its graph is a stretched parabola that opens downward.
You can treat the product g • s similarly:
[tex](g\cdot s)(x)=(-2x+5)(4x^2-9x+2)[/tex]
The leading term is [tex]-8x^3[/tex], so the graph should resemble a stretched cubic curve reflected across the x axis.
The leading term is , so the graph should resemble a stretched cubic curve reflected across the x axis.
Can any one please help me I really need help please help me thank you
Step-by-step explanation:
Plug in -2 whenever u see x
3(-2) -7= 5(-2-1)
-6-7= -10-1
-13 = -11
Therefore, x is not equal to -2.
Simplify the expression:
(2x)^2 • 3x^3
Answer:
Step-by-step explanation:
(2x)²*3x³ 4x²*3x³12(x∧5)RE
AINING: -
48:41
Question 40 of 50
Find the equation of the straight line that passes through
(2,-3) and perpendicular to the line 3x-2y+4=0
A. 2y-3x=0
B. 3y-2x+5=0
C. 3y+2x+5=0
D. 2y-3x-5=0
Question 41 of 50
Answer:
C
Step-by-step explanation:
We start with the second line;
3x -2y + 4 = 0
3x + 4 = 2y
divide through by 2
3x/2 + 2 = y
Comparing this with standard form of y = mx + c
where m is slope
This means 3/2 is slope of the line
Since this line is perpendicular to the other line, then the product of their slopes is -1
3/2 * slope of second line = -1
Slope of second line = -1 divided by 3/2 = -2/3
We use the point slope form to find the equation of the other line
y-y1 = m(x-x1)
where m = -2/3 and (x1,y1) = (2,-3)
y-(-3) = -2/3 (x-2)
y + 3 = -2/3 (x -2)
3(y + 3) = -2(x-2)
3y + 9 = -2x + 4
3y + 5 = -2x
3y + 2x + 5 = 0
A line passes through (2,-1) and (4,5). Which answer is the equation of the line?
Answer:
C.
Step-by-step explanation:
Slope = m = (y2 - y1)/(x2 - x1) = (5-(-1))/(4 - 2) = 6/2 = 3
Slope - point form:
y - y1 = m(x -x1)
y - 5 = 3(x - 4)
y - 5 = 3x - 12
- 3x + y = - 12 + 5
- 3x + y = - 7
Answer:
[tex] - 3x + y = - 7[/tex]Option C is the correct option.
Step-by-step explanation:
A line passes through ( 2 , -1 ) and ( 4 , 5 )
The equation of line:
[tex] \frac{y - y1}{x - x1} = \frac{y2 - y1}{x2 - x1} [/tex]
Plug the values
[tex] \frac{ y - ( - 1)}{x - 2} = \frac{5 - ( - 1)}{4 - 2} [/tex]
When there is a ( - ) in front of an expression in parentheses, change the sign of each term in the expression
[tex] \frac{y + 1}{x - 2} = \frac{5 + 1}{4 - 2} [/tex]
Add the numbers
[tex] \frac{y + 1}{x - 2} = \frac{6}{4 - 2} [/tex]
Subtract the numbers
[tex] \frac{y + 1}{x - 2} = \frac{6}{2} [/tex]
Reduce the numbers with 2
[tex] \frac{y + 1}{x - 2} = 3[/tex]
Apply cross product property
[tex]3x - 6 = y + 1[/tex]
Move variable to L.H.S and change its sign
Similarly, Move constant to R.H.S and change its sign
[tex]3x - y = 1 + 6[/tex]
Add the numbers
[tex]3x - y = 7[/tex]
[tex] - 3x + y = - 7[/tex]
Hope this helps...
Best regards!
Write the formula to find the profit %, if selling price and cost price both are given.
Answer:
[tex]profit \: percent = \frac{sp - cp}{cp} \times 100 \: percent[/tex]
where,
SP=Selling price
CP=Cost price
For example:Given,
Selling price(SP)= 1000
Cost price(CP)=800
Now,
[tex]profit \: percent = \frac{sp - cp}{cp} \times 100 \: percent \\ = \frac{1000 - 800}{800} \times 100 \\ = \frac{200}{800} \times 100 \\ = 25 \: percent[/tex]
Hope this helps...
Good luck on your assignment..
9 ^ (- 1/2) + 25 ^ (- 1/2) + 32 ^ (3/5)
Evaluate
Answer:
8.533333
Step-by-step explanation:
9^(− 1/ 2 )+25− 1 2 +32^ (3/ 5) = 9 (−1 /2) +25(− 1 /2) +32 ^(3 /5)
=0.333333+25^(− 1/ 2) +32 ^(3 /5)
=0.333333+25 ^(−1 /2) +32 ^(3/ 5)
=0.333333+0.2+32^ (3/ 5)
=0.533333+32 ^(3 /5)
=0.533333+8
=8.533333
Solve the following systems of linear equations graphically: 3x + 2y = 6 and
X = 2y + 4. You may use one of the following strategies: a) table of values,
b) x and y intercepts, or c) y = mx + b. In your response, be sure to specify
which strategy you are using. You do not need to submit a graph.
Vanswer
Answer:
The solution set is where the 2 lines intersect.
Step-by-step explanation:
Answer:
2.5 and -0.75
Step-by-step explanation:
i think i could be wrong x
Estimate 15% as a fraction in its simplest form.
Answer:
[tex] \frac{3}{20} [/tex]
Step-by-step explanation:
[tex]15\% = \frac{15}{100} [/tex]
So,
[tex] \frac{15 \div 5}{100 \div 5} = \frac{3}{20} [/tex]
hope this helps you.
If sine theta almost-equals 0.3090 , what is the approximate value of csc Theta
Answer:
Approximately 3.2362.
Step-by-step explanation:
Recall that definition of cosecant and sine:
[tex]\displaystyle \sin(\theta) = \frac{1}{ \csc(\theta) }\text{ and } \csc(\theta)=\frac{1}{\sin(\theta)}[/tex]
Since we are given that sin(θ) ≈ 0.3090, this means that cosecant will be:
[tex]\displaystyle \csc(\theta)\approx \frac{1}{0.3090} = 3.2362[/tex]
Answer:
3.236
Step-by-step explanation:
csc=1/sinФ
csc=1/0.3090= 3.236
Which inequality matches the graph? (2 points)
A) −2x + 3y > 7
B) 2x − 3y < 7
C) −3x + 2y > 7
D) 3x − 2y < 7
Answer:
D) 3x − 2y < 7
Step-by-step explanation:
We note that the x- and y-intercepts are about 2.3 and -3.5, respectively.
In "intercept form," the equation of the line can be written ...
x/x-intercept +y/y-intercept = 1
Using the given intercepts, this is ...
x/2.3 +y/(-3.5) = 1
The answer choices suggest that we should multiply this by 7. When we do, we get ...
3x -2y = 7 . . . . the equation of the boundary line
__
The next trick is to figure the comparison symbol. We note that x-values are less than those on the line, and y-values are greater than those on the line. It is convenient to consider the term with a positive coefficient, so we don't get confused with minus signs and reversed comparisons.
As we said, x-values are less than those on the line, so the shaded area is ...
3x -2y < 7 . . . . matches choice D
Answer:
D) 3x − 2y < 7
Step-by-step explanation:
Took the test and got it right :)
A rectangular rug is 12.5 feet long and 10 feet wide. The rug needs to be reduced by a factor of One-fifth to be placed near a door. What is the area of the reduced rug, in square feet? 5 25 50 100
Answer:
5 Feet-
Step-by-step explanation:
I did the test-
PLZ HELP I NEED BIG BRAINERZ HERE Evaluate the expression below and write the answer in standard exponent form. What is the power of the answer? 6.07288 × 10^14÷7÷37 × 10^4
Answer:
The solution would be 75911*10^10/462500 or 1.64132 x 10^9
Step-by-step explanation:
What is X^2-9=0 I really need the answers
Answer:
X^2-9=0 is x2 = 9
Step-by-step explanation:
What is the value of x in the equation -x - y = 30, when y = 15?
O 8
80
0 200
Answer:
x = -45.
Step-by-step explanation:
-x - y = 30
-x - 15 = 30
x + 15 = -30
x = -45
To check we are correct...
-(-45) - y = 30
45 - y = 30
-45 + y = -30
y = 15
So, x = -45.
Hope this helps!
Answer:
x = -45
Step-by-step explanation:
-x - y = 30
Let y = 15
-x - 15 = 30
Add 15 to each side
-x-15+15 = 30+15
-x = 45
Multiply each side by -1
x = -45
Al aplicar el teorema de Pitágoras en alguno de los triángulos que aparecen en la figura, solo un planteamiento es el correcto, ¿cuál es?
Seleccione una:
a. h2 + b2 = c2
b. c2 + b2 = a2
c. Ningún planteamiento es correcto
d. a2 + m2 = b2
Question:
Found a picture which relates to the question asked. It can be found in the attachment below.
Answer:
b. c2 + b2 = a2
Step-by-step explanation:
According to Pythagoras rule :
The longest side of the triangle is the hypotenus
The opposite and adjacent sides depends on the particular angle provided or one which is to be calculated.
The opposite side is one drawn across a given angle, while the side next to the Given angle is called the adjacent side.
FROM △ABC ;
THE longest side is 'a' = hypotenus
Opposite side = c
Adjacent = b
From Pythagoras :
(Hypotenus)^2 = (Opposite)^2 + (adjacent)^2
Hence,
a^2 = c^2 + b^2
A triangle is shown with its exterior angles. The interior angles of the triangle are angles 2, 3, 5. The exterior angle at angle 2 is angle 1. The exterior angle at angle 3 is angle 4. The exterior angle at angle 5 is angle 6.
Which is a true statement about the diagram?
m∠5 + m∠6 = m∠1
m∠3 + m∠4 + m∠5 = 180°
m∠1 + m∠2 = 180°
m∠2 + m∠3 = m∠5
Answer:
m∠1 + m∠2 = 180°
Step-by-step explanation:
An interior angle and its exterior angle are supplementary (they add up to 180°).
I would really appreciate it if you would mark me brainliest!
Have a blessed day!
Answer:
c
Step-by-step explanation:
HURRY TWO MINUTES PLEASE HELP
Answer:
(-1,-2)
Step-by-step explanation:
y≥-2x
y>|x+|^?
according to the graph only (-1,-1) are in the shaded area
d(1)=12 d(n)=d(n−1)⋅(−6) what is the fourth term?
Answer:
-822
Step-by-step explanation:
Not sure how to explain.
Answer:
-18
Step-by-step explanation:
d(1) = 1/12
d(2)=d(1) • (-6)=-1/2
d(3)=d(2)•(-6)=3
d(4)=d(3)•(-6)=-18
translate into an algebraic expression: b is decreased by 40% and decreased again by 40% . What is the result ?
Answer:
The result is 0.36b
Step-by-step explanation:
Here. we want to translate the wordings into an expression of algebra.
Firstly, we decrease b by 40%
40% is same as 40/100 = 0.4
So decreasing b by 40% = b-0.4(b) = b-0.4b = 0.6b
Now we want to decrease 0.6b by another 40%
= 0.6b -0.4(0.6b)
= 0.6b - 0.24b
= 0.36b
plz help with this, Find an equivalent system of equations for the following system: 3x + 3y = 0 −4x + 4y = −8
Answer:
ANSWER:
3x + 3y = 0
7x - y = 8
Step-by-step explanation:
Answer:
I would say multiply everything by 2 and you’ll have an equivalent system of equations or multiply by 3 or any number, because im not sure if this is a multiple answer question, so sry
The ratio of boys to girls in a group is 5:3. If there are 24 more boys than girls, work out how many girls there are
Answer:
36
Step-by-step explanation:
Let's call the # of boys and girls 5x and 3x respectively. We can write:
5x = 3x + 24
2x = 24
x = 12 so the # of girls = 12 * 3 = 36
Answer:
36 girlssolution,
Let the number of girls be X
Number of boys be 'x+24'
Now,
[tex] \frac{x + 24}{x} = \frac{5}{3} \\ or \: 3(x + 24) = 5x \\ or \: 3x + 72 = 5x \\ or \: 3x - 5x = - 72 \\ or \: - 2x = - 72 \\ or \: x = \frac{ - 72}{ - 2} \\ x = 36[/tex]
hope this helps..
Good luck on your assignment..