Answer:
-3π+4
Step-by-step explanation:
negative three pi plus 4 BRAINLIEST :)
Answer:
[tex]\left(4-3\pi \right)^2 \text{ is a perfect square trinomial}[/tex]
[tex]\left(4-3\pi \right)^2=16-24\pi +9\pi ^2[/tex]
[tex]\sqrt{16-24\pi +9\pi ^2}\approx 5.42[/tex]
[tex]\sqrt{(4 -3\pi )^2} = -4 + 3\pi[/tex]
[tex]\sqrt{(4-3\pi )^2} = |4-3\pi|[/tex]
State that this is wrong, it cannot be negative
[tex]\sqrt{(4 -3\pi )^2} = 4 - 3\pi[/tex]
So,
[tex]\sqrt{(4 -3\pi )^2} \neq 4 - 3\pi[/tex]
State that [tex]\sqrt{a^2}=|a|[/tex]
It is [tex]a[/tex] assuming that a > 0
But we don't know if a is greater than 0.
What positive value of x makes the following equation true: x^2 = 289? Expain
Answer:
17
Step-by-step explanation:
17x17= 289
Answer:
The square root of 289 is also 17.
Step-by-step explanation:
What is the slope of a line that is parallel to the line shown?
Question and options in images below.
Answer: m= 2/3
Step-by-step explanation:
4/6 simplify into 2/3
49 increased by twice a number m
Answer:
The third one I think
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
First -> twice m is -> 2m
Then
49 increased so -> 49+2m
Shirley measures the thickness of the sides of a cardboard box using a ruler that has centimeter and inch marking
is most likely the value that Shirley measures?
A.
3.0 in
New
B.
3.0 mm
OC.
2.85 mm
OD
0.118 in
Solve for m.
-7 + 4m + 10 = 15 -2m
Answer:
M=2
Step-by-step explanation:
m=2 Make sure to move the terms, then collect the like terms, then subtract, then divide both sides by 6
Answer:
m = 2.
Step-by-step explanation:
-7 + 4m + 10 = 15 - 2m
4m + 2m = 15 + 7 - 10
6m = 12
m = 2.
Which could be the entire interval over which the function, f(x), is negative?
(-8, -2)
(-8, 0)
(-infinity, -6)
(-infinity, -4)
The interval over which the function f(x) is negative is (-infinity, -4) .
Given,
The values of f(x) for corresponding x .
Here,
From the table,
x = -8 ; f(x) = -16
x = -6 ; f(x) = -8
Thus from the data given in the table it is clear that the function f(x) will be negative if we decrease the value of x .
Thus f(x) will be negative for the values which are smaller than -8 .
Now,
When
x = -4 ; f(x) = 0
x = -2 ; f(x) = 8
Thus f(x) changes its sign at x = -4.
So,
Interval in which f(x) will be negative : (-infinity, -4) .
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Is there a solution to 2x^2+7x-4=0?
Answer:
x= -8 x= 1
Step-by-step explanation:
find the missing angle in the triangle
Answer:
45
Step-by-step explanation:
Because this is an isosceles triangle, two of the angles must be equal. Since the third angle is 90 degrees, the other two must be 90/2=45 degrees. Hope this helps!
You and your friend are playing a game where you spin a circular spinner with nine numbered sections of equal
size. In this game, you win if the spinner lands on 1, 4, or 7. Your friend wins if the spinner lands on 2.5. or 8.
You tie if the spinner lands on 3. 6. or 9.
All the possible outcomes of the game are listed in the sample space
S = {1,2,3,4,5,6,7,8,9).
If we take A = {1.3.4.6:7.9} as a subset of the sample space, which of the statements below describe the
subset A?
Choose all answers that apply:
Answer:
-The subset consists of all of the outcomes where you do not lose.
-The subset consists of all of the outcomes where your friend loses, or there is a tie.
Step-by-step explanation:
Khan Academy
Statements that describe the subset A are option (a) and option (d).
What is a subset?A set of which all the elements are contained in another set. Subset can be empty or equal to the set.
Given sample of space S = {1,2,3,4,5,6,7,8,9}
And subset M of S = {1,4,7} where you win in the spinner game.
If the spinner lands on the subset N of S = {3,6,9} , you tie.
Given A = {1,3,4,6,7,9,} is a subset of S.
Now to verify the options;
In option (a) ;
The subset consists of all the outcomes where you win that means your friend loses or there is a tie. Because subset A does not contain any elements of subset {2,5,8}, where you lose.
In option (b) ;
The subset consists of all the outcomes where your friend ties. That means subset should only contain the elements of subset N = {3,6,9}. Which is clearly not. So this option is incorrect.
In option (c) ;
The subset consists of all the outcomes where there is not a tie and your friend does not win. That means subset S should only contain the elements from {1,4,7}. which is contradiction so this option is also incorrect.
In option (d) ;
The subset consists of all the outcomes where you do not lose. That means subset does not have any element from {2,5,8}.
Hence Correct answers are option (a) and option (d).
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The complete question is ;
You and your friend are playing a game where you spin a circular spinner with nine numbered sections of equal size. In this game, you win if the spinner lands on 1,4, or 7. Your friend wins if the spinner lands on 2,5, or 8. You tie if the spinner lands on 3,6, or 9.
All the possible outcomes of the game are listed in the sample space S= { 1,2,3,4,5,6,7,8,9} If we take A= { 1,3,4,6,7,9} as a subset of the sample space, which of the statements below describe the subset A?
a) The subset consists of all the outcomes where your friend loses or there is a tie.
b) The subset consists of all the outcomes where your friend ties.
c) The subset consists of all the outcomes where there is not a tie and your friend does not win.
d) The subset consists of all the outcomes where you do not lose.
Toilet paper has been hard to find lately. You go to the store and are surprised to find that they have some toilet paper in stock. Now you have a different problem. There are two brands of toilet paper you can choose from, Roll A and Roll B. Which roll should you buy in order to get the most toilet paper? Round your answer to the nearest whole number.
Total Volume = (3.14) (2.5) ^2 (4.5) =
Subtract the middle rim.
V = (3.14 ) ( .75 ) ( 4.5 )
TOTAL VOLUME - MIDDLE PART VOLUME =
Answer:
77
Step-by-step explanation:
Total Volume = 88
Middle Part Volume = 11
Total - Middle = 77
A pom-pom manufacturer makes each of its pom-poms with 35% white strands (w), 25% blue strands (b), and 40% red strands (r). If each pom-pom has a total of 80 strands, how many of strands of each color are needed to make a pair of pom-poms? In this activity, you’ll work through this pom-pom problem step by step.
Part D
You can solve the problem in part C using a different method. To set up this method, first find the total number of strands required to make a pair of pom-poms.
Answer:
White: 28 Blue: 20 Red: 32
Step-by-step explanation: Make ratios. If 35% are White strands then it would be 35/100 = ?/80 you can use the butterfly method to solve this:
35*80 = ?*100
? = 28
Blue: 25/100 = ?/80
(you can use the butterfly method or you can simplify 25/100 into 1/4)
1/4 = ?/80
1*80 = ?*4
? = 20
Red: 40/100 = ?/80 (once again, you can simplify if you want)
4/10 = ?/80
4*80 = ?*80
? = 32
Answer:
There are two pom-poms in a pair. The total number of strands required to make two pom-poms is 80 × 2 = 160.
Step-by-step explanation:
In the similar quadrilaterals below, what is the length of AB
10 cm
2.5 cm
8 cm
3 cm
Answer:
Side AB is 10 cm.
Step-by-step explanation:
The given quadrilaterals ABCD and EFGH are similar.
From the given figure, we can observe the following angles and sides are corresponding.
[tex]\angle A = \angle E=90^\circ\\\angle B = \angle F=63^\circ\\\angle C = \angle G=117^\circ\\\angle D = \angle H=90^\circ[/tex]
Ratio of corresponding sides will be equal:
AB:EF = BC: FG = CD:GH = DA:HE
We have to find the side AB.
Given the sides
EF = 5 cm
BC = 9 cm
DA = 8 cm
EH = 4 cm
So, ratio DA:EH = 8:4 = 2:1
We know that ratio of corresponding sides will be same:
AB:EF = DA:EH
[tex]\Rightarrow \dfrac{AB}{5} = \dfrac{2}{1}\\\Rightarrow AB = 10 cm[/tex]
So, side AB is 10 cm.
please helppp!!! thank you
Answer:
4/x^6
Step-by-step explanation:
8x^3/2x^9
4x^-6
since we can only use positive exponents,
4/x^6(because x^-6=1/x^6)
Answer:
4
x(power of 6)
Step-by-step explanation:2 can be divided into 8 and 2 reducing to 4 and 1. As for x, subtract the smallest power (3) from top of fraction and bottom of fraction. X(power of 3-3) and X(power of 9-3).
Factor the trinomial:
2x^2 + 17x + 35
Answer:
(x+5)(2x+7)
Step-by-step explanation:
2x^2+17x+35
as sum
2x^2+10x+7x+35
Factor it outtt
2x(x+5)+7(x+5)
What is the area of the shaded region? Round to the nearest whole
number.
Answer:
25 tomes 2 50 times 5 250
Step-by-step explanation:
Answer:
The shaded area is 475 yds²
Select the correct answer.
Find the area of the rectangle by multiplying its length and width-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
A. (21x2 − 17x + 2) square units
B. (21x2 − 11x + 2) square units
C. (21x2 + 2) square units
D. (21x2 + 11x + 2) square units
Answer:
b
Step-by-step explanation:
You are making Chicken Tikka Masala. The recipe asks for 1/3 cup of butter and you want to make 3/9 of the original recipe. How many cups of butter will you need?
Answer:
1/9
Step-by-step explanation:
3/8 = 1/3
1/3 × 1/3 = 1/9
Answer:
1/9
Step-by-step explanation:
3/9 of original recipe
3/9=1/3 (on simplifing) Is the recipe we want to make
so 1/3 of the recipe we want to make
=(1/3) * (1/3)
=1/9
Hope it helps, Pls Marks as Brainliest!!
Find the value of x in the figure.
A. 132
C. 145
B. 117
D. 128
Answer:
x= 128
Step-by-step explanation:
do 180-49=131
then 131-3=128
In ΔIJK, the measure of ∠K=90°, the measure of ∠J=76°, and JK = 3.6 feet. Find the length of IJ to the nearest tenth of a foot.
52.5 ft
25 ft
22 ft
18.18 ft
for the picture below
Answer:
18.1818181 Feet
Step-by-step explanation:
Divide 27.5 by 20 to establish a ratio between the length and width of the house, then multiply your new ratio by 25. Units do not matter, as long as it's not like 27.5 mm high by .05 ft wide.
Consider the experiment: flip a coin, then roll a number cube
Find the value of x and y
Answer:
x=24 y=19
Step-by-step explanation:
2y=y+19
y=19
2x-8=x+16
x=16+8
x=24
Answer:
x = 24
y = 19
Step-by-step explanation:
Set the expressions with the x-variables together, and the y-variables together, like so:
2x - 8 = x + 16
Subtract x from both sides:
x - 8 = 16
Add 8 to both sides:
x = 24
Solving for y:
2y = y + 19
Subtract y from both sides:
y = 19
Ms. B rolls a standard six sided
die and flipped a coin. What is
the likelihood that she will roll a
factor of 8 and the coin will
land on heads?
Answer:
50/50
Step-by-step explanation:
What is the area of this composite figure?
4 cm
7.5 cm
15,5 cm
18 cm
The area of a 2D form is the amount of space within its perimeter. The area of the composite figure is 249 cm².
What is an area?The area of a 2D form is the amount of space within its perimeter. It is measured in square units such as cm², m², and so on. To find the area of a square formula or another quadrilateral, multiply its length by its width.
The area of the composite figure can be written as,
Area = ABCG + DEFG = (4×10.5) + (11.5×18) = 42+207 = 249cm²
Hence, the area of the composite figure is 249 cm².
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a real number line can represent both real and imaginary numbers
True or false ?
Answer:
True
Step-by-step explanation:
Find the volume of the cone
Answer:
V≈628.32 units³
Step-by-step explanation:
I used the formula:
V=πr2h/3 (h/3 as in a fraction)
Hope this helps!
The answer is 628.32
because the formula is
V=πr2h/3
Write you answer in exponential form 6^-2•6^3
Answer:
6^ 1 = 6
Step-by-step explanation:
6^-2•6^3
We know that a^b * a^c = a^(b+c)
6^-2•6^3 = 6^(-2+3) = 6^ 1 = 6
A car can travel 308 kilometers on 22 liters of gasoline. How much gasoline will it need to go
490 kilometers?
Please answer
Answer:
[tex]x=35[/tex]
Step-by-step explanation:
[tex]\frac{308}{22}=\frac{490}{x}[/tex]
[tex]308x = 10780[/tex]
[tex]x=35[/tex]
Find the product. (-3ab2)3
Answer:
answer is -27 a^3b^6
Step-by-step explanation:
use power rules (b^n)^m = b^(n⋅m)
Which shows how the distributive property can be used to evaluate 7x8 4/5?
Answer:
61 3/5
Step-by-step explanation:
we realize that 8 4/5 can be written as [8 + (4/5)]
hence 7 x 8 4/5
= 7 x [8 + (4/5)]
= 7 [8 + (4/5)] (use the distributive property, see attached for reference)
= 7(8) + 7(4/5)
= 56 + 28/5 (convert 28/5 into mixed fraction)
= 56 + 5 3/5
= 61 3/5 (answer)
