Answer:
Step-by-step explanation:
6. x² + 8x + 7
= x² + 7x + x + 7
= x (x + 7) + 1 (x + 7)
= (x + 1) (x + 7)
Option D is the answer.
7. x² - x - 72
= x² - 9x + 8x - 72
= x(x - 9) + 8(x - 9)
Option B is the answer.
8. x² - 49
= (x - 7) (x + 7) [formula used a² - b² = (a-b)]
Option D is the answer.
9. 9x² - 54x + 72
= 9(x² - 6x + 8)
= 9(x² - 4x - 2x + 8)
= 9[x(x-4) -2 (x-4)]
= 9[(x - 2) (x - 4)]
= Option A is the answer.
10. x⁴ - 3x³ - 10x²
= x² (x² - 3x - 10)
= x² (x² - 5x + 2x - 10)
= x² [x (x-5) + 2 (x-5)]
= x² (x+2) (x-5)
Option A is the answer.
Hola. Ayuda con estos problemas de geometría plana. Regalo 20 puntos a la respuesta correcta...
Answer:
GRA
Step-by-step explanation:
Martina will make flower arrangements with 3 roses in each arrangement. She will use the equation y = 3x to find the total number of roses she needs. What does x represent in the equation
X represents the number of arrangements.
Simplify:
(8x - 5) + (-2x + 7)
Answer:
6x+2
Showing the work :
8x−5−2x+7
=8x+−5+−2x+7
Combine Like Terms:
=8x+−5+−2x+7
=(8x+−2x)+(−5+7)
=6x+2
_____________________________________
*rate this answer and say thanks please!
I think this is easy but I wasn’t paying attention so thanks for helping!
a pilot is flying an airplane at an elevation of 17,500 feet. she is increasing her elevation at a rate of 2,500 feet per minute. which number line shows the solution set for the number of minutes the pilot could increase her elevation and be above 25,000 feet?
Answer:
y= *greater than or equal to sign* 2500x+17500
The answer is: A
Step-by-step explanation:
Hope this help :)
Answer:
It's C
Step-by-step explanation:
I put in A for my exam but it said it was incorrect and it said the answer was C :')
i am having a very hard time remembering Negative and Positive numbers adding, subtracting, multiplying, and dividing them.
Here are some examples :
-4+(-25)
-9-(-3)
4÷ - ( -8 )
(-15) (-7)
Answer:
Step-by-step explanation:
So negitive have the - besides it and + mean its negative .
Answer:
-29
-6
.5
105
Step-by-step explanation:
Factor 18r+15s escribe tu respuesta como un producto con un número entero >1?
What is the solution for -4x - 10 ≤ 2?
Answer:
x>=-3
Step-by-step explanation:
-4x-10<=2
-4x<=2+10
-4x<=12
x<=12/-4
x<=-3
x>=-3
Find the value of x. x =36 x =6 x = 97−−√ x = 97
Answer: 21
Step-by-step explanation:
Answer:
√97
Step-by-step explanation:
Write down the x-coordinate of the point where y=x2-x and y=x+1 cross
lec types 3/5 of a paragraph in 2/3 minute. If he continues at the same rate, what fraction of a paragraph can Alec complete in 1 minute?
Answer:
ik you in MS 118 but still the answer is 9/10
Step-by-step explanation:
multiply by the reciprocal 3/2.
3/5x3/2=9/10
Jami deposits $800 in her bank account which collects 2% interest annually. How much total money will she have in her bank account after three years?
Answer:
$848
Step-by-step explanation:
800 x .02 x 3
800 is the input
.02 is the interest but rule is to move the decimal over
3 is the 3 years
I checked this with an interest calculator and its correct
https://www.dollartimes.com/savings/800
^thats the interest calculator if u need u can copy paste into ur browser^
Answer:
$848
Step-by-step explanation:
A spotlight can be adjusted to effectively light a circular area of up to 6 meters in diameter. To the nearest tenth, what is the maximum area that can be effectively lit by the spotlight? Use 3.14 for pi.
i know im late but i will still grab these points
Answer: 28.27 m
Step-by-step explanation: A = 1/4 π d2= 1/4 * π * 6*2 ≈ 28.27
Answer: 28.27
Step-by-step explanation:
May someone please help me out with this problem? May you also explain it?
Answer:
Step-by-step explanation:
Given function is,
f(x) = [tex]\sqrt{x}[/tex]
If the given function is vertically stretched by a scale factor of [tex]\frac{3}{2}[/tex] Or 1.5,
Transformed function will be,
h(x) = [tex]\frac{3}{2}[f(x)][/tex]
h(x) = [tex]\frac{3}{2}(\sqrt{x})[/tex]
Further function 'h' is shifted 1 units upwards,
g(x) = h(x) + 1
g(x) = [tex]\frac{3}{2}(\sqrt{x} )+1[/tex]
Domain of the function → x ≥ 0 Or [0, ∞)
Range of the function → y ≥ 1 Or [1, ∞)
Transformations done → Parent function f(x) is vertically stretched by a scale factor of [tex]\frac{3}{2}[/tex] then shifted 1 unit upward.
What is the radius of 18 circle?
A spinner has 4 equal sections makes blue, green, yellow blue. Spinner points to blue 68 out of 100 spins. If the spinner is spun 50 more times , how many times would you expect the pointer to land blue?
Answer
30
Step-by-step explanation:
A hollow ball is made of rubber that is 2 centimeter thick. The ball has a diameter of 20 centimeters at the outside surface.
What is the exact volume of rubber used to make the ball?
Please explain how to find the volume and i will mark brainliest
Answer:
628.57CM²
Step-by-step explanation:
20/2=10
VOLUME OF CYLINDER=PIR^2H
22/7*10*10*2=628.57
hellp me pls i need to pass this class or my parents will kill me for not passing
Answer:
hello wat is the matter how can I help I am a tutor I can teach you
PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!!PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!!
Answer:
376.99 cm^3 or 120π cm^3
Step-by-step explanation:
The volume of a cone is 1/3(B*h) where B is the base area and h is height.
The base of a cone is a circle.
Area of a circle=πr^2
Area of the circle=π6^2
Area of the circle=36π
Plug it into the formula for the volume:
V=1/3(36π*10)
V=1/3(360π)
V=120π
V=376.99
If this helped please consider giving brainliest.
The value of x is 1. Find the value of each expression and type
the expressions in the table from least to greatest:
1-X
X-1
-1 + x
I
1st
2nd
3rd
4th
Answer:
can I get a hiaaa
How was the government able to make children go to residential school?
Omar painted half of a heart on a piece of paper.
While the paint was still wet, he folded the paper in half and pressed the sides
together
Which transformation did Omar use to complete the heart?
A Slide
B Translation
C Dilation
D Reflection
Answer:
D reflection
Step-by-step explanation:
think of it like a mirror when u look at the mirror its an exact match to what u are seeing
Write an equation for the hanger diagram and then us the sketch to show how to solve the equation algebraically.
Step-by-step explanation:
Since there are 3 w's and a 1 on one side and 7 1's on the other and the hanger diagram shows they are even, we can set them equal to each other.
3w + 1 = 7 Subtract 1 from both sides
3w = 6 Divide 3 from both sides
w = 2
Simplify and then evaluate the equation
when a = 2 and b = 4.
b2 + 3(b-b2) – 2a = [?]
Help please
sin 2A + sin 5A-sin A÷
cos A + cos 2A + cos 5A
Answer:
Step-by-step explanation:
(sin5a-sina)+sin2a/(cos5a+cosa)+cos2a
=2cos3asin2a+sin2a/2cos3acos2a+cos2a
=sin2a(2cos3a+1)/cos2a(2cos3a+1)
=sin2a/cos2a
=tan2a
Question 36 of 45
The table below shows the amount of blue and yellow
paint needed to obtain a given amount of green paint.
The amount of blue paint needed to produce the green
paint is
you just need to subtract the amount of yellow from the amout of green
amount of yellow paint -amout of green paint =amount of blue paint
Find the common ratio of the geometric sequence 36, 6, 1, 16, ... . Write your answer as an integer or fraction in simplest form.
Answer:
Step-by-step explanation:
The common ratio is the constant found by dividing any term by the previous term.
r=6/36=1/6
r=1/6
I am assuming the 16 at the end of the sequence was a typo. IF 16 was at the end of the sequence it is NOT a geometric sequence as there would not be a common ratio for all terms.
PLEASE HELP I WILL MARK BRAINLIEST IF YOURE RIGHT.
The heights of a triangle ABC meet at a point K.AB=CK.Find the angle of C.
Answer:
45°
Step-by-step explanation:
AD⊥BC, BE⊥AC, CF⊥AB AB = CK
∠1 + ∠2 = 90° ∠5 + ∠2 = 90° ∴ ∠1 = ∠5
∠5 + ∠4 = 90° ∴ ∠4 = ∠2
AB = CK
ΔABD ≅ ΔCKD (ASA)
AD = CD ∴ΔADC is an isosceles triangle
∠C = ∠CAD = 45° (∠C + ∠CAD = 90°)
Someone plz help me I will give brainliest
Sheila is biking at a constant speed. She travels 54 meters in 9 seconds. Part A How many meters per second does Sheila travel?
Answer:
Step-by-step explanation:
6 meters/ seconds
Step 1: Find the unit rate
total distance/total time
54/9
6 meters / seconds
Awnser: 6 meters/ seconds
Answer:
Answer:
She Travles 6 MPH
Step-by-step explanation:
6x9=54
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Answer:
268.083
Step-by-step explanation:
volume of a sphere = 4/3 times pi times r^3. 4/3(pi)(4^3) = 268.083