7) Find the area of the shaded region:
3x
2x + 7
X + 12
9x-2
A. 21x2 + 48% -14
C. 15x2 + 48% +14
B. 15x2 + 23% -14
D. 15x2 - 23x + 14
Answers
Answer:
B
Step-by-step explanation:
The area of the biggest rectangle =
[tex](9x - 2)(2x + 7) = 18 {x}^{2} + 63x - 4x - 14 = 18 {x}^{2} + 59x - 14[/tex]
The area of the of the smallest rectangle inside=
[tex]3x(x + 12) = 3 {x }^{2} + 36x[/tex]
Then the area of the shaded region =
[tex]18 {x}^{2} + 59x - 14 - (3 {x}^{2} + 36x) = 18 {x}^{2} + 59x - 14 - 3 {x}^{2} - 36x = 15 {x}^{2} + 23x - 14[/tex]
So, we choose B.
Related Questions
Cierto tipo de mezcla contiene 5kg de arena y 3 kg de cemento: un constructor necesita 12 toneladas de esta mezcla. ¿qué cantidad se necesita de arena y de cemento?
Answers
Answer:
the sand and cement needed is 7.5 kg and 4.5 kg respectively
Step-by-step explanation:
The computation of the sand and cement needed is shown below:
Given that
The mix of sand and cement is 5kg and 3kg i.e. its ratio is 5:3
And there is a 12kg of mix of both things
So individually it required
For sand = 12 × 5 ÷ 8
= 7.5 kg
For cement = 12 × 3 ÷ 8
= 4.5 kg
Hence, the sand and cement needed is 7.5 kg and 4.5 kg respectively
Intercepts:
Write the ordered pair describing the coordinates of each intercept.
1. x-intercept: -6 2. y-intercept: -2.3 3. y-intercept: 3/4
Find the x-intercept and y-intercept for the graph of each equation.
4. y = 3x – 9 5. y = 5x + 10 6. y=1/2 x+4
7. y = 12 – 6x 8. 2y = -6x + 8
Use the x-intercept and y-intercept to graph each equation.
9. y=-1/2 x-3 10. y = 2x + 4
x-intercept: ______ x-intercept: ______
y-intercept: ______ y-intercept: ______
Graph your answers from #4 and #8 from above.
11. y = 3x – 9 12. 2y = -6x + 8
Answers
The y-intercept is the point where the function crosses the y axis at x=0
1. It is an x-intercept, so y = 0. The ordered pair would be (-6, 0)
2. It is a y-intercept, so x = 0. The ordered pair would be (0, -2.3)
3. It is a y-intercept, so x=0. The ordered pair would be (0, 3/4)
To find the x-intercept, set y = 0. To find the y-intercept, set x=0
4. y-intercept: y = 3(0) -9. y = -9 The y-intercept is at (0, -9)
x-intercept: 0 = 3x -9. 9 = 3x. x = 3. The x-intercept is at (3, 0)
5. x intercept: 0 = 5x +10. -10 = 5x. x = -2. The x-intercept is at (-2, 0)
y-intercept: y = 5(0) + 10. y = 10. The y-intercept is at (0, 10)
If you look at finding the y-intercepts in the two problems above, you may see there is a pattern forming. The y-intercept is the number that your adding or subtracting that is located after the x (ex. y = 4x - 2 - the y-intercept would be -2)
9. First, find the x and y-intercepts. The y intercept is -3 You’d graph that at (0, -3). 0 = -1/2x - 3. -1/2x = 3. x = -6 so the x-intercept is at (-6, 0). If you only need to graph 2 points, then you can graph just those two points and draw a line between them.
To graph y=-1/2x + 3, start at the y-intercept and use the slope (-1/2) to find other points. Because your slope is -1/2, you’d go down 1 unit and then to the right 2 units. That would be your next point. If you wanted your line to go further up, go up one unit and then to the left 2 units. That would be your next point.
I am not sure what you need to do on 11 and 12
I think you should try 7, 8 and 10 on your own and let me know if you have any questions on them or if you are stuck on anything.
Uhhhh any help? This is really confusing.
Answers
_____________
Answer:
Step-by-step explanation:
33 1/3%=100/3%
A percent as a decimal is percentage divided by 100
(100/3)/100=1/3
Since 1/3 of a number is 24 we can say
n/3=24
n=72
So 24 is 33 1/3% of 72
solve -3-0.5x+13=0.3x+6.2 please show work
Answers
Answer:
x = 4.75
Step-by-step explanation:
And x=4.75
Select all that are equal to 6^4(6^-5)
Answers
Answer:
6^4(6^-5)
If base is equal at multiplication we add index.
ex: a^(x)
a = base
x=power = index
6^4 .(6^-5)
6^(4+(-5)
6^(4 - 5)
6^(-1)
1/6
Step-by-step explanation:
Answer:
The correct answers are: 1/6 , 6^-1 , 1/6^1. B, C and D.
Step-by-step explanation: I got them wrong and gave me the correct answers, Good luck. Edge 2021
SOMEONE PLEASE ANSWER THIS CORRECTLY AND ASAP AND I WILL MARK YOU BRAINLIEST, GIVE YOU A GOOD RATE, AND GIVE YOU A "THANK YOU" HEART BUTTON THING JUST PLEASE SOMEONE ANSWER THIS ASAP AND CORRECTLY!!!!!!!!! THIS WILL GIVE ME A SCORE SO I WILL USE YOUR ANSWER AND SEE IF IT IS CORRECT FIRST AND THEN IF ITS CORRECT I WILL MARK YOU BRAINLIEST, GIVE YOU A GOOD RATE, AND GIVE YOU A "THANK YOU" HEART BUTTON BUT SOMEONE ANSWER THIS ASAP AND CORRECTLY!!!!!!!!!!!!
Answers
Answer:
y=x+4
Step-by-step explanation:
its right so can i have brainliest
Answer:
y=x+4
Step-by-step explanation:
I need help I don't know what to do
Answers
Answer:
Step-by-step explanation:
so you understand what to do, or what they want you to figure out.
AD is an "arc length" . So they want to know the length, in degrees. along the circle , from A to D. Why didn't they just say so, huh. :D well, they kinda did, but not as clear as they could have.
next. you need to know how far around a circle is all the way around?
if you guessed 360°, you are right
next because they gave us that angle of 93° we know all the angles around the point E, complimentary angles add to 180 so 180-93 = 87°. That's the to the left of 93 and directly below it too. This is the answer to the 2nd question ∠DEC= 87°
we can only write arc length of AD in respect to what we know about the circle.
so, arc length of AD is 161° + BA + AD + DC = 360
or getting AD by it self , then
AD =360 -161 -BA -DC
AD = 199°-BA-DC
maybe that's all you need to do, also i'm wondering if there is some more info about this problem , maybe at the top of the page? of off the screen?
what is the arc length of the crust of half of a pizza that is 6 inches in diameter? show all work
Answers
C=d * pi
C=6pi
Then you divide it by two, because it is half of a pizza.
C=3pi
Therefore, the arc length of the crust of half a pizza is 3pi inches.
pls i need this now can you pls answer it with respect pls
thank you in advance
Answers
Step-by-step explanation:
2 a
3 c
4 b
5 d
6 a
7 d
8 d
9 d
10 d
plz give brillent
If line l is parallel to line m what is the measure of <4?
Answers
the answer is b 50%. I think
Help!!!! This Due today!!!
Answers
Answer:
A unit fraction is a rational number written as a fraction where the numerator is one and the denominator is a positive integer.
Answer:
one part of a whole
Step-by-step explanation:
A unit fraction is a fraction where the numerator is a one and denominator is a positive integer
let x and y be directly related. If x is 18 when y is 6, find y when x is 21.
Answers
Answer:
y=42? because 6*2=18 so 21*2=42??
Answer:
7
Step-by-step explanation:
18/6 = 3 so we can assume that for every 3 x there is 1 y. 21/3 = 7
Which of the following best describes the cross-section which is formed by a horizontal plane
parallel to the base? Note that the figure is not drawn to scale.
O The cross-section is a rectangle with the same length and width as the base.
O The cross-section is a rectangle with a different length and width as the base.
O The cross-section is a square with the same length and width as the base.
O The cross-section is a square with a different length and width as the base.
Answers
Answer:
B
Step-by-step explanation:
How to divide 15 into 3 equa lgroups
Answers
i need help with this badly please
Answers
Answer:
27mm
Step-by-step explanation:
Answer: 65
Step-by-step explanation: :)
What happens to the exoskeleton as an arthropod grows?
PLEASE HELP ME
Answers
Answer:
What happens to an exoskeleton when an arthropod grows? The exoskeleton does not grow or expand, so it is shed and a new larger one grows. This is called molting. ... The process of shedding an outgrown exoskeleton.
Step-by-step explanation:
Answer:
As the body underneath the exoskeleton grows, the animal begins to outgrow its tough exterior. In order to cope with this situation, arthropods undergo a process of shedding their exoskeleton and forming a new one periodically throughout their lifetime. A crab undergoing the process of ecdysis, or molting.
what does 'b" represent in y=mx + b
A-Macaroni
B- y-intercept
C- nothing
D- Slope
Answers
Answer:
d
Step-by-step explanation:
Answer:
b) y-intercept
Step-by-step explanation:
y = mx + b
mx = slope
b = y-intercept
You have a summer job that pays time and half over time ( if you work more than 40 hours) after that is 1.5 times you hourly rate of $7.00/ hr.
Answers
Answer:
Step-by-step explanation:
Having a job that pays at $7 per hour is quite nice. And the question says that if he does overtime, he gets 1 and a half times the normal price of $7. This means that, for every overtime he works, he will get paid at
7 * 1.5 = $10.5
The question didn't state what, but if it's anything to go by the wages expected to be paid then I'd say the job isn't worth it if it's overly stressful. I said so because most jobs out there aren't really about the workers, but the money instead.
Movie tickets cost $8 for children and $12 for adults. A movie theater has 300 seats. The theater wants to collect at least $4,800. Write a system on inequalities to model this situation.
Answers
Answer:
8x + 12y = 4800
[tex]\left \{ {{8x + 12y = 4800} \atop {x+ y = 300}} \right.[/tex]
Step-by-step explanation:
13g=156 please show work
Answers
Answer:
g=12
Step-by-step explanation:
divide both sides by 13
13g=156
g=156/13
g=12
I am confused Help Me.
Answers
Answer:
circumference = 18.84
area= 28.26
Step-by-step explanation:
C= 2×3.14×3
A= 3.14×3²
Heather works as a waitress at her family's restaurant. She works 3 hours every morning during the breakfast shift and returns to work each evening for the dinner shift. In the last four days, she worked, 32 hours. If Heather works the same number of hours every evening, how many hours did she work during each dinner shift
Answers
Answer:
5 hours each shift
Step-by-step explanation:
Please help answer correctly !!!!!!!!!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!!!!!!!
Answers
Answer:
3/16
Step-by-step explanation:
Can anyone help me please ?
I’ll mark you as a brainliest.
Answers
y=x+5
y=-2x-4
solve by substitution
Answers
Answer:
x = − 3
Step-by-step explanation:
Let's solve your equation step-by-step.
− 2x − 4 = x + 5
Step 1: Subtract x from both sides.
− 2x − 4 − x = x + 5 − x
− 3x − 4 = 5
Step 2: Add 4 to both sides.
− 3x − 4 + 4 = 5 + 4
−3x = 9
Step 3: Divide both sides by -3.
−3x / −3 = 9 / −3
x = − 3
Hope it helps,
Please mark me as the brainliest
Thank you
Input : 3 4 5 4 6 output: 20 25 30 35 40 (function or non function)
Answers
Answer:
no it isn't
because there are two 4 with differents outputs
Step-by-step explanation:
Answer:
No, it is not a function.
Step-by-step explanation:
There are two outputs for the same input of 4.
Help with fractions I don’t know
Answers
Answer: 5 5/6
Step-by-step explanation:
To divide fractions, use KCF (keep change flip)
2 1/3 = 7/3
the reciprocal of 2/5 is 5/2, so
7/3 x 5/2 = 35/6 = 5 5/6
A triangle has sides with lengths of 3 centimeters, 4 centimeters, and 5 centimeters. Is it a
right triangle?
Answers
IMPORTANT!!! ILL GIVE YOU BRAINLIEST IF YOUR ANSWER IS HELPFUL
Anita typed 390 words in 6 minutes. At the rate, how many words can she type in 10 minutes?
Answers
Answer:
She can type 650 words in 10 minutes.
Step-by-step explanation:
390 divided by 6 is 65. Anita types 65 words per min. 65 times 10 is 650. Therefore she types 650 words in 10 mins.
Answer:
650 words
Step-by-step explanation:
So you divide 390 by 6 so that you can figure out how many words she types per minute.
390/6= 65
So she types 65 words per minute,
Then you multiply 65 by 10 because thats how many minutes your trying to figure out.
65*10= 650
please help me I need to get my grades up
Answers
If C = 20 then F = 68°
If C = 60 then F = 140°