18) 2(NH4)3PO4
# of
molecules:
# of
elements:
Name of element:
# of atoms:
Total # of atoms:
The #2 is a
(coefficient or subscript)

Answer:

b

Step-by-step explanation:

took this quiz

You can't, the only factor in both is 1

1(a^4 + 4b^4)

Hope this helps!

The probability that the first three cards that he deals are all hearts if none of them are replaced will be [tex]\rm P = \frac{13}{52} \times \frac{12}{51} \times\frac{11}{50}[/tex].

Probability means possibility. It deals with the occurrence of a random event. The value of probability can only be from 0 to 1.

Its basic meaning is something is likely to happen. It is the ratio of the favorable event to the total number of events.

The given data in the problem is ;

Total number of the card in the deck = 52

No of hearts = 13

If one heart is taken out one at a time we will get the probability that the first three cards that he deals are all hearts if none of them are replaced

From the total card one by one the cards is taken out without the replacement;

Without replacement, the card will be reduced by 1Also the heart card will also be decreased by one.

The probability that the first three cards that he deals are all hear will be;

[tex]\rm P = \frac{13}{52} \times \frac{12}{51} \times\frac{11}{50}[/tex]

Hence option B is correct.

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Answer:

B

Step-by-step explanation:

Big daddy

Answer:

  a. 2 7/9 miles

  b. 21.6 minutes

  c. 8 1/3 miles

Step-by-step explanation:

The rate at which Catlin runs can be determined from the graph by finding the coordinates of a grid point that lies on the line. The line goes through the origin, so the relationship between time and distance is proportional.

We see that the point (miles, minutes) = (1 2/3, 12) lies on the graph, so the contant of proportionality is ...

  k = y/x = 12/(5/3) = 36/5 = 7.2 . . . . minutes/mile

__

The proportion can be written ...

  distance/(20 minutes) = (1 mile)/(7.2 minutes)

  distance = (20/7.2) miles = 2 7/9 miles

Catlin will run 2 7/9 miles in 20 minutes

__

The proportion can be written ...

  time/(3 miles) = (7.2 minutes)/(1 mile)

  time = (3)(7.2 minutes) = 21.6 minutes

Catlin was running 21.6 minutes

__

In 1 hour, Catlin will run 3 times as far as in 20 minutes. Using the result from part A, we find ...

  3(2 7/9 miles) = 8 1/3 miles 8 1/3 miles

Catlin will run 8 1/3 miles in one hour.

_____

Additional comment

Once we have a relationship between minutes and miles, we can write proportions with either of those numbers in the numerator or denominator. We find it convenient to put the unknown value in the numerator of a proportion, which is why the ratios are written differently in the different parts of the problem.

Answer:

6 cubic cm

Step-by-step explanation:

A = 6a^2

A = 6(1)^2

A = 6(1)

A = 6

It's a cube

TSA

Option B (Unit is wrong in options)

Answer:

Most likely the slope is going to be -2

Answer:

Slope = 7/4

Step-by-step explanation:

Slope:

Choose any two points on the line.

(-1 , -3)   x₁ = -1 & y₁ = -3

(3 , 4)     x₂ = 3  & y₂ = 4

[tex]\boxed{Slope=\dfrac{y_{2}-y_{1}}{x_{2}-x_{1}}}[/tex]

            [tex]\sf = \dfrac{4-[-3]}{3-[-1]}\\\\=\dfrac{4+3}{3+1}\\\\=\dfrac{7}{4}[/tex]

AnswER

6 PILLOWS because 1 feet= 12 inches so you multiply the feet to inches

Step-by-step explanation:

Answer:

infinite ANSWERS starting below 23 towards negative side

Step-by-step explanation:

2x>12+37

2x>49

x>24.5

CONCLUSION HAS INFINITE ANSWERS

The value of the variable x, of the linear equation 5x 8 − 3x = −10 is -9, which is obtained after solving it. Option 1 is the correct option.

A linear equation is the equation in which the highest power of the unknown variable is one.

Here, the given linear equation is,

[tex]5x +8 - 3x = -10[/tex]

Solve it by arranging the equation as,

[tex]5x - 3x +8= -10\\2x+8=-10[/tex]

Subtract number 8 both side of the equation as,

[tex]2x+8-8=-10-8\\2x=-18[/tex]

Divide both side of the equation with number 2 as,

[tex]x=\dfrac{-18}{2}\\x=-9[/tex]

Hence, the value of the variable x, of the linear equation 5x 8 − 3x = −10 is -9, which is obtained after solving it. Option 1 is the correct option.

Learn more about the linear equation here;

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Answer: is A

Step-by-step explanation: bc some people dont know how to jus put the letter on there to make life so much easier

For the given parabola, the axis of symmetry is x = 2.

For any given parabola, we define the axis of symmetry as a line that divides the parabola in two equal halves.

For a regular parabola, we define the axis of symmetry as:

x = h

Where h is the x-component of the vertex.

Remember that for the general parabola:

y = a*x^2 + b*x + c

The x-value of the vertex is:

h = -b/(2a)

Then for the function:

f(x)=−2x²+8x−2

We get:

h = -8/(2*-2) = 2

Then the axis of symmetry is x = 2.

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The commutative property of addition is shown here a+bi+c+di = a+c+bi+di which is the correct answer.

The commutative property states that an expression of the form (A + B) can be solved as (B + A) by an addition operation that does not change the result.

This property applies to multiplication also.

We have the given expression:

a+bi+c+di = a+c+bi+di

We have to identify the property of addition in the above expression.

Since we can say here that (bi+c) is expressed as (c+bi).

The commutative property of addition states that the numbers can be added in any order.

Mathematically, it states that a+b = b+a.

Here, (bi+c) can be replaced by (c+bi), whether 'b' is added to 'ci' or 'ci' is added to 'b', the result is always the same.

Therefore, the commutative property of addition is the correct answer

Learn more about the commutative property;

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Answer:

commutative property

Step-by-step explanation:

edge2020

Answer:

x=8

Step-by-step explanation:

Angles in a Triangle always add up to 180

So,  3(9x-12)=180

27x-36=180

216=27x

x=8

The angle of the equilateral triangle is 60° and x is 8.

A triangle is a polygon with three sides and three vertices.

The triangle's total number of angles comes to 180°.

Given, measure of angle of an equilateral triangle 9x-12.

The sum of all the angles of the triangle is 180°.

That means,

3(9x-12) = 180°

27x = 180+36

x = 216 / 27

x =8

Therefore, the value of x is 8.

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Answer:

92

−

22

=

70

.

70

Step-by-step explanation:

subtract and add

The mean is 58.75 . The median is 63. The mode is also 63 . And the range is 70

you will have to do the Circles. I made the graph and found the

vertex

vertex: (5,-3)

Step-by-step explanation:

Answer:

10 = 8v - 3 (v+8)

v = 6.8

Step-by-step explanation:

10 = 8v - 3 (v+8)

10 = 8v - 3v - 24

10 = 5v - 24

24 + 10 = 5v - 24 + 24

34 = 5v

5 ÷ 34 = 5v ÷ 5

6.8 = v or v = 6.8

Hope it helps :)

caculate 7.4 ÷ the people in different groups

Answer:

A. 3x/10

Step-by-step explanation:

[tex]\frac{x}{5}+\frac{x}{10}[/tex]

Find a common denominator. The lowest common denominator is 10, so match the equations to fit that denominator.

[tex](\frac{x*2}{5*2})+\frac{x}{10}\\\frac{2x}{10}+\frac{x}{10}[/tex]

Now that the denominators are the same, combine the fractions by adding the numerators.

[tex]\frac{3x}{10}[/tex]

Your answer is a.

Answer:

=> The value of x is 7. Hence, the required solution is 7.

Step-by-step explanation:

Answer:

Additive inverse is -2

Multiplicative inverse is 1/2

Answer:

2 is an integer then the multiplicative inverse of 2 is \[\dfrac{1}{2}\]. Hence, we obtained the additive inverse of 2 is -2 and the multiplicative inverse of 2 is \[\dfrac{1}{2}\].5 days ago

https://www.vedantu.com › the-sum...

The sum of additive inverse and multiplicative inverse of 2 is ______.(a). \\[\\dfrac{3}{2}\\](b). \\[\\dfrac - Vedantu

Answer:

60 inches

Step-by-step explanation:

[tex]\\ \rm\Rrightarrow log_ab=\dfrac{lnb}{lna}[/tex]

Hence

[tex]\\ \rm\Rrightarrow log_{625}5=\dfrac{ln5}{ln625}[/tex]

[tex]\\ \rm\Rrightarrow \dfrac{ln5}{ln5^4}[/tex]

[tex]\\ \rm\Rrightarrow \dfrac{ln5}{4ln5}[/tex]

[tex]\\ \rm\Rrightarrow \dfrac{1}{4}[/tex]

solution 1:

[tex]\rightarrow \sf 7 * 3\dfrac{1}{5}[/tex]

[tex]\rightarrow \sf 7 * \dfrac{16}{5}[/tex]

[tex]\rightarrow \sf \dfrac{112}{5}[/tex]

[tex]\rightarrow \sf 22\dfrac{2}{5}[/tex]

solution 2:

[tex]\rightarrow \sf 5\dfrac{4}{10}*2[/tex]

[tex]\rightarrow \sf \dfrac{54}{10}*2[/tex]

[tex]\rightarrow \sf \dfrac{108}{10}[/tex]

[tex]\rightarrow \sf 10\dfrac{8}{10}[/tex]

Step-by-step explanation:

Hi please can u post the diagram so that we can find the perimeter

Answer:

41 Students

Step-by-step explanation:

Step the equation up as 367x+1500=16600. You want to subtract 1500 from both sides and you get 15100. Divide 15100 by 367 for how much it costs for each student and you get 41.1444141689 you want to round down because you can't have a part of a student.

Answer:

∠ 6 = 62°

Step-by-step explanation:

∠ 6 and ∠ 8 are corresponding angles and are congruent , so

∠ 6 = ∠ 8 = 62°

Answer:

It would take Sam 16 weeks.

Step-by-step explanation:

Step 1. Step up the proportion of
[tex]\frac{4}{20} =\frac{x}{80}[/tex]

Step 2. Do 80x4 to get 320
Step 3. Divide 320 by 20 to get 16.
Hope this helps! :)

Answer:

16 weeks.

Step-by-step explanation:

20 paintings per 4 weeks.

80/20= 4

That says 4 sets of 4 weeks.

4*4=16.

16 weeks.

16*7=112

112 days

The standard deviation is the maximum and the minimum variation in the data set from the mean. The value of the standard deviation is 1.5.

The standard deviation is the maximum and the minimum variation in the data set from the mean.

Given that the mean shoe size is 7.5, while the size of shoe for the entire class is only 1 deviation, and the value is 6 and 9. Therefore, the equation of the standard deviation and the mean can be written as,

[tex]\mu -\sigma < x < \mu +\sigma \\6 < x < 9[/tex]

Now, the value of the standard deviation can be written as,

[tex]\mu - \sigma = 6\\\\-\sigma = 6-7.5\\\\-\sigma = -1.5\\\\\sigma = 1.5[/tex]

or the value of the standard deviation can be written as,

[tex]\mu + \sigma = 9\\\\ \sigma = 9-7.5\\\\ \sigma = 1.5[/tex]

Hence, the value of the standard deviation is 1.5.

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