HElP ME 5th grade math

Answer:

25. Rigorous Yet Adaptive – Making the College Dream a Reality . ... 120. What is the Acellus Courseware Development System? ... Acellus turns the learning process into a science, and by so doing, improves the overall effectiveness of the ...

Missing: У ‎y

Step-by-step explanation:

Hope it helps

Answer , 95!!

Step-by-step explanation:

Answer:

???

Step-by-step explanation:

Answer:

Step-by-step explanation:

The specifications of a decagonal pyramid would be the following

It has one face that is a decagon.

35 diagonals in the base.

10 isosceles triangles as faces above the base

11 vertices - 10 in the base and 1 at the top

20 edges - 10 in the base and 10 above the base

This can all be seen in the picture of the decagonal pyramid below. The only decagonal face is on the base of the pyramid as the top is a vertice where all of the triangles meet.

Answer:

~B,D,E~

Step-by-step explanation:

9514 1404 393

Answer:

  x ≈ -0.5416

Step-by-step explanation:

As with any "solve for ..." problem, you essentially want to "undo" what has been done to the variable of interest. Here, if you were to evaluate the left-side expression (where the variable is) for some value of x, you would ...

You want to "undo" these operations in reverse order. That is, you work from the bottom of this list toward the top, using inverse operations along the way.

The inverse of addition is subtraction; the inverse of multiplication is division. The inverse of raising to a power is taking a logarithm.

undo add 5

  [tex]2\cdot9^{10x+7}+5-5=70-5\\2\cdot9^{10x+7}=65[/tex]

undo multiply by 2

  [tex]\cfrac{2\cdot9^{10x+7}}{2}=\dfrac{65}{2}\\\\9^{10x+7}=32.5[/tex]

undo raise to a power (take logarithms)

  [tex](10x+7)\log(9)=\log(32.5)\\\\10x+7=\dfrac{\log(32.5)}{\log(9)}\quad\text{equivalent to $\log_9(32.5)$}[/tex]

undo add 7

  [tex]10x+7-7=\dfrac{\log(32.5)}{\log(9)}-7\\\\10x\approx -5.41562[/tex]

undo multiply by 10

  [tex]\dfrac{10x}{10}\approx\dfrac{-5.41562}{10}\\\\x\approx-0.541562\\\\\boxed{x\approx-0.5416}\quad\text{rounded to 4 dp}[/tex]

Answer:

x=0.5416...................

Answer:

answer is c hope this helps

Step-by-step explanation:

Answer:

The test statistic is c. 2.00

The p-value is a. 0.0456

At the 5% level, you b. reject the null hypothesis

Step-by-step explanation:

We want to test to determine whether or not the mean waiting time of all customers is significantly different than 3 minutes.

This means that the mean and the alternate hypothesis are:

Null: [tex]H_{0} = 3[/tex]

Alternate: [tex]H_{a} = 3[/tex]

The test-statistic is given by:

[tex]z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}[/tex]

In which X is the sample mean, [tex]\mu[/tex] is the value tested at the null hypothesis, [tex]\sigma[/tex] is the standard deviation and n is the size of the sample.

Sample of 100 customers.

This means that [tex]n = 100[/tex]

3 tested at the null hypothesis

This means that [tex]\mu = 3[/tex]

The average length of time it took the customers in the sample to check out was 3.1 minutes.

This means that [tex]X = 3.1[/tex]

The population standard deviation is known at 0.5 minutes.

This means that [tex]\sigma = 0.5[/tex]

Value of the test-statistic:

[tex]z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}[/tex]

[tex]z = \frac{3.1 - 3}{\frac{0.5}{\sqrt{100}}}[/tex]

[tex]z = 2[/tex]

The test statistic is z = 2.

The p-value is

Mean different than 3, so the pvalue is 2 multiplied by 1 subtracted by the pvalue of Z when z = 2.

z = 2 has a pvalue of 0.9772

2*(1 - 0.9772) = 2*0.0228 = 0.0456

At the 5% level

0.0456 < 0.05, which means that the null hypothesis is rejected.

Answer:

0.27 lt/s

Step-by-step explanation:

80 liters in 5 minutes

5 minutes are 300 seconds (5x60)

We know how many seconds we need to fill up the tank (300 seconds for 80 liters). Now we need to know how many liters we can fill up in 1 second, as the question requires "liters per second".

80 lt / 300 sec

X lt / 1 sec

80 x 1

----------    = X

300

X = 0.2666666...

X = 0.27 lt / s

Answer: $4.40

Step-by-step explanation:

10 times 0.44 equals 4.40

Answer:

Step-by-step explanation:

c 10 times 0.44= 4.40

Answer:

3 Hours

Step-by-step explanation:

$370 - 165 for Decorations

$205 - 100 for the band

They now have $105 left

$105 % $35 to see how many hours they can play.

3 Hours

Answer:

062

Step-by-step explanation:

2 is right and in the correct place

2 & 6 are right but in the wrong place

0 is right but I the wrong place

Answer:

3.25

nskkdbskaxmxbshlmsg

Answer:

undefined

It is undefined because if you put it on a graph you get a line going straight down.

The answer for that is = 827

Answer:

5

Step-by-step explanation:

This is Pythagorean triple 3-4-5 or you can verify by plugging into Pythagorean Theorem:

[tex]3^2 + 4^2 = c^2[/tex]

c = 5

Answer:

For the first one its parallelogram

Answer:

(11+X)/2-(9x-3)/4 x=3

subsititute 3 into all x

(11+3)/2-(9*3)-3)/4

first solve the first diviision

2-(9 times 3)-3/4

=2-(27-3)/4

=2-(24)/4

since the "2-" is there, you have to subtract it from 24 before you dividewhich would then be

22/4=5.5(in decimal form)

DON'T forget you have another bracket waiting for you since you were given 3 brackets. bring the first bracket down

2-(9x-3)/4 was solved and we got 5.5, so basically we are "substituting 5.5 into that part of the question)

11+x/5.5

11+3/5.5

14/5.5

=2.54 which is your final answer

Sorry if I went overboard lol.

Step-by-step explanation:

yes, the answer is 2.54 I believe.

Answer:

No.

Step-by-step explanation:

The given system of equations are :

-6x + y= -12 ......(1)

x + y= -3 ......(2)

Put x = 3 and y = 6 in both equations i.e.

-6(3) + (6) = -12

And

3 + 6 = 9 ≠  -3  

Hence, (3,6) is not the solution of the given system of equations.

Answer:

Length 7metres

Perimeter 28 metres

Step-by-step explanation:

Area of a square is L²

To get the length of one side is thus√L²

√49=7 metres

Perimeter will be length by 4

7×4=28 metres

Answer:

12

Step-by-step explanation:

Since the entire line is 60 and MN is five times as long. Then I would say that you could just divide 60 by 1/5 or 0.2

since the length of the line is 60 you gots to fos and divide it my homie.

60/5=12 so thats means the length is 12

you got that my guy

(sorry if ur a girl)

Answer:

96

Step-by-step explanation:

Hello There!

The following figure shown is a parallelogram

If you didn't know opposite interior angles of a parallelogram are congruent

Therefore the angle that has a measure of 96 degrees and the angle labeled 2 are congruent

hence ∠2=96

Answer:

[tex]A=1.53\ m^2[/tex]

Step-by-step explanation:

The length of a chalkboard, l = 1.7

The width of a chalkboard, b = 0.9 m

We need to find the area of the chalkboard. The formula for the area of a rectangle is given by :

[tex]A=L\times B\\\\A=1.7\times 0.9\\\\A=1.53\ m^2[/tex]

So, the area of the chalkboard is equal to [tex]1.53\ m^2[/tex].

Answer:

im sorry i need my points back

Step-by-step explanation:

Answer:

X=6

Explain your Explanation:

Answer:

x=6

Step-by-step explanation:

Answer:

Left side: 1/20  Right side: 11/20

:)