Name the decimal: 2.45.
Select the correct answer below:
two and forty-five hundredths
two hundred and forty-five thousandths
two hundredth forty tenths and five
two hundredth and forty-five

Answer:

A positive.

Step-by-step explanation:

Remember that there is an even amount of negatives in this situation which makes it a positive.  Two positive numbers multiplied together are still positive.

Answer:

234

Step-by-step explanation:

Answer:

175 divided by 25

Step-by-step explanation:

7 days

Answer:

The y-intercept of Graph 1 is (0,5)

The y-intercept of Graph 1 is (0,-5)

Step-by-step explanation:

The y-intercept is when the line interesects the y-axis. You can see that the line in Graph 1 intersects at (0,5) on the y-axis, and that the line in Graph 2 intersects at (0,-5) on the y-axis.

Hope this helps! :)

Answer:

50%

Step-by-step explanation:

100/40×30=50% is the write answer

Answer:

this equation has 0 solutions

Answer:

1/6

Step-by-step explanation:

there are 6 faces on a die if you a roll a die the chance of getting a 2 or 5 is 1/6

Answer:

10x

They are all like terms which gives:

7x + 3x = 10x

Answer:The graph line has to go  through the origin in order for it to be proportional .In a proportional relationship, one variable is always a constant value. Only have 2

Step-by-step explanation:

Answer:

Distribute the 3 to (x + 2), and distribute the 5 to (2x - 3).

Step-by-step explanation:

Order of operations: You must distribute before you can manipulate any of the terms inside the parentheses.

Answer:

11.15 eleven dollars and 5 cents.

Step-by-step explanation:

Step-by-step explanation:

11.15 eleven dollars 5 cents

Answer: Each family will get 6 flowers.

Step by Step explanation: Do 24÷4= 6

Answer:1,708,984,375

Step-by-step explanation: Dont feel like doin those numbers but that's the answer :)

A geometric sequence is a sequence of numbers in which the ratio between consecutive terms is constant.

The nth term of a geometric sequence is given as,

nth term = a [tex]r^{n-1}[/tex]

The 13th term of the geometric sequence is 39062500.

A geometric sequence is a sequence of numbers in which the ratio between consecutive terms is constant.

Example:

2, 4, 8, 16, 32 is a geometric sequence.

We have,

7, -35, 175

a = 7

The common difference.

= -35 / 7

= -5

Now,

The nth term of a geometric sequence is given as,

nth term = a [tex]r^{n-1}[/tex]

Now,

n = 13

13th term:

= 7 x [tex](-5)^{13-1}[/tex]

= 7 x [tex](-5)^{12}[/tex]

= 39062500

Thus,

The 13th term of the geometric sequence is 39062500.

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Answer:

The slope equals 1/4

Answer:

1/4

Step-by-step explanation:

Do rise over run.

From the middle point to the 3rd point you rise two and run eight, so your slope would be 2/8 or 1/4.

And the slope is positive since it is point up to the right.

Hope this helps!

Answer:

19

Step-by-step explanation:

if the decimal more than or equal to 5 then add 1 to the left side

Answer:

0.145

Step-by-step explanation:

Suppose λ = average number of an event occurring in an interval of a presented  length; &

x =  no. of events occurring in an interval length t

Thus, x has a Poisson distribution with parameter λt.

i.e.

[tex]P[X=k] = \dfrac{(\lambda t)^k\times e^{-\lambda t}}{k!} \ \ \ where; k = 0,1,2 ...[/tex]

Given that:

The average number of call every 8 hours = 11

Then, the parameter for the Poisson process [tex]\lambda =\dfrac{11}{8}[/tex]

where;

t = 2 hours

[tex]\lambda t = \dfrac{11}{8}\times 2[/tex]

[tex]\lambda t = \dfrac{11}{4}[/tex]

Also,

x = no. of calls occurring at an interval of length 2

The required probability is as follows:

P(x > 4) = 1 - [P ( x≤ 4) ]

[tex]=1 - [ P(X = 0) + P(X = 1) + P(X = 2) + P(X = 3) + P(X = 4) ][/tex]

[tex]= 1 - \bigg [ \dfrac{(\dfrac{11}{4})^0 \times e^{-11/4}}{0!}+\dfrac{(\dfrac{11}{4})^1 \times e^{-11/4}}{1!}+ \dfrac{(\dfrac{11}{4})^2 \times e^{-11/4}}{2!}+ \dfrac{(\dfrac{11}{4})^3 \times e^{-11/4}}{3!}+ \dfrac{(\dfrac{11}{4})^4 \times e^{-11/4}}{4!} \bigg ][/tex]

[tex]= 1 - \begin {bmatrix} 1 + \dfrac{11}{4} + \dfrac{\bigg (\dfrac{11}{4}\bigg)^2}{2}+\dfrac{\bigg (\dfrac{11}{4}\bigg)^3}{6}+\dfrac{\bigg (\dfrac{11}{4}\bigg)^4}{24} \end {bmatrix} e^{-11/4}[/tex]

[tex]= 1 - [ 1 + 2.75 + 3.78125 + 3.466145833 + 2.3829] \ e^{-11/4}[/tex]

= 1 - [13.38037]× 0.06393

= 1 - 0.855407

= 0.14459

≅ 0.145    ( to  3 decimal place)

Answer:

D

Step-by-step explanation:

566,000/60 = 9433 1/3 = 9433.3

Answer:

y=1/2x-1

Step-by-step explanation:

y+2=1/2(x+2)

y+2=1/2x+1

y=1/2x-1

The slope is 1/2 and y-intercept is -1 or (0,-1)

Step-by-step explanation:

y+2=1/2(x+2)

y+2=1/2 x +2/2

y+2=1/2x+1

Multiply through by 2

2*y +2*2 =1/2x *2 +1*2

2y+4 =x+2

2y =x+2-4

2y= x-2

y =1/2x -2/2

y=0.5x -1

so The gradient (M): 0.5

Y-intercept :-1

Answer:

A) 13

Step-by-step explanation:

l // m

9x + 10 = 127

9x = 117

x = 13

The value of x for which the lines l and m are parallel is approximately 13. Hence, the correct option would be A) 13.

Let's solve the equation 9x + 10 = 127 to find the value of x:

9x + 10 = 127

Subtract 10 from both sides:

9x = 127 - 10

9x = 117

Divide both sides by 9:

x = 117 / 9

x ≈ 13

Therefore, the value of x for which the lines l and m are parallel is approximately 13. Hence, the correct option would be A) 13.

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Answer:

Because of -2x

Answer:

52.65 percent

Step-by-step explanation:

Hi

Answer:

80.25%

Step-by-step explanation:

When you ask "What is 65 out of 81?" you want to know what percent 65 is out of 81.

Here are step-by-step instructions showing you how we calculated 65 out of 81 as a percentage:

The first step is to divide 65 by 81 to get the answer in decimal form

65 / 81 = 0.8025

Then, we multiplied the answer from the first step by one hundred to get the answer as a percentage:

0.8025 * 100 = 80.25%

Answer:

read explanation

Step-by-step explanation:

7÷1              7x1                      7

1/3÷1            1/3x1                1/3

Answer:

y=2x+2

Step-by-step explanation:

Because the +2 is y-int and it needs to go through (0,2) which is on the y axis and the slope stays the same since they’re parallel

Answer:

Step-by-step explanation:

3x + 5y = 7

Since that is our original form, let's convert it so that we can find the slope:

5y = -3x + 7

y = -3/5 x + y

To get a perpendicular line, we need the negative reciprocal of the slope. This means that the sign switches and numerator and denominator flip:

m = 5/3

From here, we use the point-slope equation and then convert that into slope-intercept form:

y - y1 = m(x - x1)

y - 6 = 5/3(x - 0)

y - 6 = 5/3x

Answer:

(A) Always true

(B) Seldom true

Step-by-step explanation:

(A) Both sides of an equation can be multiplied by the same number without this action changing the solution of the equation.

Keyword here is "number".

Multiplying both sides of an equation by an equal quantity (same number) will result in same solution after solving for the unknown in the equation. This is because that numeric quantity can always be removed by dividing both sides of the equation by it or by a factor (or multiple) of it.

EXAMPLE:

For a linear equation, 4x - 6 = 15x

let's find the solution, in other words solve for the unknown value X.

4x - 15x = 6

-11x = 6

x = -6/11

Now multiply both sides of the equation by 3.

3(4x - 6) = 3(15x)

12x - 18 = 45x   ___new equation

Solve for X

12x - 45x = 18

-33x = 18

x = -18/33

Reduce the fraction to its simplest form by looking for a number that can divide both numerator and denominator without remainder. In other words, think of a number that is a factor of 18 and a factor of 33.

That common factor or highest common factor (HCF) is 3.

Go ahead and reduce the fraction.

x will be reduced to -6/11

(B) Both sides of an inequality can seldom be multiplied by the same number, without such action changing the solution set of the equation.

Inequalities are more complex. Operational signs even change sometimes, in the course of finding the solution set of the inequality.

Sometimes, multiplying both sides of an inequality by a given numeric quantity will change its solution set and sometimes, it won't.