Which of the following are identities? Check all that apply.

Answer:

c

Step-by-step explanation:

[tex]\frac{1}{9^{2} }[/tex]=1/81

[tex]9^{\frac{1}{2} }[/tex] =3

[tex]\frac{1^{2} }{9}[/tex]=[tex]\frac{1}{9}[/tex]

[tex]9^{-2}[/tex]=1/81

I believe it would be 10 : 8

Answer:

Parallel

Step-by-step explanation:

they have the same slopes

Answer:

i believe its b sir. brainliest?

Step-by-step explanation:

Answer:

yeah its correct

Step-by-step explanation:

Answer:

[tex]\boxed {\mathfrak {B) 1.6}}[/tex]

Step-by-step explanation:

B) [tex]r-value[/tex] [tex]cant[/tex] [tex]be[/tex] [tex]1.6[/tex]

[tex]-1 \leq r\leq 1[/tex]

[tex]-----[/tex]

Answer:

cos A = 12/13 = 0.9231

(angle A = 22.62°)

Step-by-step explanation:

cos A = 12/13 = 0.9231

ANSWER=

cos A = 12/13 = 0.9231

(angle A = 22.62°)

EXPLANTION=

cos A = 12/13 = 0.9231

Answer:

It rained 26.4 inches this year.

Step-by-step explanation:

10% of 24 is 2.4

24 + 2.4 = 26.4

Answer:

26.4

Step-by-step explanation:

100%=240

10%=2.4

110%=26.4

Answer:

The answer is "2.4 units "

Step-by-step explanation:

Please find the complete question:

[tex]EC = x\\\\\frac{5}{3} = \frac{4}{x}\\\\5x = 4(3)\\\\5x = 12\\\\x = \frac{12}{5}\\\\x = 2.4[/tex]

Answer:

B. 2.4

Step-by-step explanation:

5/3 = 4/EC

EC = 4 (3/5) = 12/5 = 2.4

Answer:

m = rise/run = 4/5.

Step-by-step explanation:

This line goes throught the "exact" grid intersections (-2, 0) and (3, 4).  As we move from the first point to the second, we see that x increases by 5 (this is the 'run') and y increases by 4 (this is the 'rise').  Thus, the slope of this line is m = rise/run = 4/5.

Answer:

12 quarters

Step-by-step explanation:

number of quarters ---------x

number of dimes ------------y

therefore, x + y = 37---------------times 10 both sides --------10x + 10y = 370-------equation 1

              0.25x + 0.1y = 5.5 -----times 100 both sides -------25x + 10y = 550 ------equation 2

equation 2 minus equation 1 is 25x + 10y - 10x - 10y = 550 - 370 ------ 15x = 180 -------x = 12

there are 12 quarters

Answer: Standard, and 65,000 its easy as that

Step-by-step explanation:

Hope this helps

Answer:

48

Step-by-step explanation:

180=x+90+42 (sum of angles of triangle)

180=x+132

180-132=x

48=x

Answer:

4 seconds

Step-by-step explanation:

fish broke the water's surface in 1 second and went back into the water at 5 seconds

∴ it was out of the water for 4 seconds

Answer:

4

Step-by-step explanation:

Answer:

24-3=21 , 36-4=32 ,  3+4=7 , 7 x 5 , which equals 35

Step-by-step explanation:

Answer:

b 4 Lee's than 3 times Mary's age is 3x-4

Answer:

3x -4

Step-by-step explanation:

we know this because Charlenes age is - 4 than Marys age.

Now, how much is that something? 3x

3x -4

Answer:

Midpoint is[tex](-25.15,10.2)[/tex]

Step-by-step explanation:

A line segment refers to line that has two endpoints.

Let [tex](a,b),(c,d)[/tex] be the endpoints of a line segment.

Midpoint of the line segment is given by [tex](\frac{a+c}{2} ,\frac{b+d}{2})[/tex]

Take the given points as follows:

[tex](a,b)=(-24.6,38.1)\\(c,d)=(-25.7,-17.7)[/tex]

Midpoint of a line segment [tex]=(\frac{-24.6-25.7}{2},\frac{28.1-17.7}{2})[/tex]

[tex]=(\frac{-50.3}{2} ,\frac{20.4}{2} )\\=(-25.15,10.2)[/tex]

Answer: 3, 4, 6

Step-by-step explanation: equilateral triangle, square, regular hexagon

In a regular tessellation 3,4,6 sides can be tessellating regular

polygon.

A normal tessellation is one made the use of only one regular polygon. A semi-normal tessellation uses or extra ordinary polygons. Triangles and squares, for example, shape ordinary tessellations and octagons and squares for a semi-normal tessellation.

First of all, there are handiest 3 normal tessellations which can be triangles, squares, and hexagons. To make a ordinary tessellation, the inner angle of the polygon has to be a diviser. that is due to the fact the angles need to be introduced as much as so it does now not leave any gaps.

A polygon having identical facets of identical lengths are known as everyday polygons. A ordinary polygon is a polygon that is equiangular i.e. all the angles are equal in measure and equilateral i.e. all facets have the equal length.

A line of symmetry is a line that can be attracted to divide a parent into same halves. A determine has line symmetry or reflection symmetry while it could be divided into identical halves that match. A discern has mirrored image symmetry if it could be meditated throughout a line and look exactly the same as it did earlier than the reflection.

Learn more about regular polygon here:-https://brainly.com/question/1592456

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Answer:

For "I have a Dream", it is focused on America as a whole and to one day have people of all races to be treated equally. Letter from a Birmingham Jail was focused more on a group of white clergy.

Answer:

$44,736

-

Hourly: $21.51

Daily: $172.06

Weekly: $860

Bi-Weekly: $1,721

Semi-Monthly: $1,864

Monthly: $3,728

Quarterly: $11,184

Annual: $44,736

Answer:

[tex]P(sister) = \frac{8}{30} \\ [/tex]

Step-by-step explanation:

[tex]P(sister) = \frac{8}{30} \\ P(brother) = \frac{13}{30} \\ P(SnB) = \frac{3}{30} \\ [/tex]

Answer:

The answer is B) 21, 34, 65

Step-by-step explanation:

21 + 34 + 65 = 120

120 divided by 3 = 40.

In order to find the mean you must add up all of the numbers in the numerical data set, then divide that by how many numbers there are. Hope this helps! :)

Answer:

we can only answer your question

Step-by-step explanation:

Answer:

37.5%

Step-by-step explanation:

got this question correct

Answer:

n=7

Step-by-step explanation:

6(n-3) - 2n=10

Distribute

6n - 18 -2n = 10

Combine like terms

4n -18 = 10

Add 18 to each side

4n-18+18 = 10+18

4n = 28

Divide by 4

4n/4 = 28/4

n = 7

Answer: The Answer is D.) 16/25

Step-by-step explanation: I got it correct on Study Island

Answer:

i saw someone else ask  this question i'm trying to remember the answer

Step-by-step explanation:

The mean and mean absolute deviation of this set of data will be 312. 9 and 0.19 respectively. The mean absolute deviation represents the average distance between each data value and the mean.

The average distance between each data point and the mean is the mean absolute deviation of a dataset. It offers us an indication of how variable a dataset.

Mean = 312. 9

absolute deviation = 0.19

Hence,the mean and mean absolute deviation of this set of data will be 312. 9 and 0.19 respectively. The mean absolute deviation represents. Average distance between each data value and the mean.

To learn more about mean absolute deviation, refer:

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Answer:

Hi, there your answer will be C. y=33/2x+425

Step-by-step explanation:

I tired uploading the picture on how I got my answer, but it keep saying inaapriate words which I didn't even said anything bad, but yeah trust me the answer is right.

Answer:

N = -8

Hope this helps!

Mark me brainliest if I'm right :)

Answer:

for number 5 Subtract 18 from both sides of the equation

4+18−18=30−18

for number 1 Subtract 7 from both sides of the equation

so number 3 subtract 3 from each side and so on hope it helps

im not sure how to explain it but--

for example.. the first one

1) y + 7 = 12

first, you subtract 7 from both sides

so-- you'll subtract 7-7 on the left and 12-7 from the right

now, you have y by itself since 7-7 = 0

y = 12-7, or y = 5

also its important to note that when the equation is like 2) and uses subtraction (x-4) instead of addition (y +7)-- then you add to both sides

so for 2)-- you'd add 4 to both sides for 4 to cancel out to equal 0

your goal is always to isolate the variable on one side