solve for missing length, round to nearest if necessary. (check if all of these are correct) if it’s not correct say the number and the answer

Answer/Step-by-step explanation:

y = -x - 3

m = slope = (-1/1)

b = y-intercept = -3 or (0, -3)

Point 1: (0, -3)

Point 2: (-1, -2)

Point 3: (1, -4)

I hope this helps!

Answer:

Step-by-step explanation:

  y=-x-3

x | -3 | 0 |

y |  0 | -3|

1) x=-3

y=-(-3)-3

y=3-3

y=0

Thus, (-3,0)

2) x=0

y=-0-3

y=-3

Thus, (0,-3)

The student that is correct with regards to the prime factorization of 956 is student B.

A factor is a number that divides another number without leaving any remainder. For example, 10 is a factor of 100. A prime number is a number that is perfectly divisible by 1 and that number only.

For example, a prime number is 7. A prime factor is the factor of a number that is a prime number. For example, a prime factor of 28 is 2.

In order to determine the prime factorization of a number, express the number as its prime factors.

Prime factors of 92 = 2 x 2 x 2 x 2 x 2 x 3

Thus, it is only student B that is correct. 5 is not a factor of 96.

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Part a

[tex](f \circ g)(x)=f(g(x))=\sqrt{x+9}[/tex]

Part b

[tex](g \circ f)(x)=g(f(x))=\sqrt{x}+9[/tex]

Part c

[tex](f \circ g)(7)=\sqrt{7+9}=4[/tex]

Part d

[tex](g \circ f)(7)=\sqrt{7}+9[/tex]

Answer:

30

Step-by-step explanation:

Answer: the slope is 1

Step-by-step explanation:

The proportional relationship can be represented by using an equation y = kx

Proportional relationship defined as the relationships between two variables where their ratios are equivalent. We can say that , in a proportional relationship, one variable is always a constant value times the other. That constant is called as the "constant of proportionality"

Consider y and x are in direct proportional relationship

y ∝ x

We can write this proportional relationship as

y = kx

Where y and x are the two variables

K is the constant of proportionality

In this equation we can see that the variable y is a constant value times the other variable x

Hence, the proportional relationship can be represented by using an equation y = kx

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The number of centers that will be needed to contain the guests is 5.

It should be noted that the question isn't well written but will be answered based on the information given.

From the information, a space center can have at most 7 guests and there are 31 guests. In this case, the number of space centers needed will be calculated by dividing the number of guests by the numbers that are contained in each center.

This will be:

= Number of guests / Number contained by each center

= 31 / 7

= 4 3/7

In this case, since there's a remainder of 3, this implies that we will need an extra space center. Therefore,the total space centre will be:

= 4 + 1

= 5

In this case, the value of 5 that's gotten simply shows the number of space centers that will be needed.

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Based on the points given for the line in the table, the equation in slope intercept form is y = -1/2 + 1

To find the equation of a line, you first need to find the slope of the line as:

= Change in y / Change in x

= (0 - 1) / (2 - 0)

= -1 / 2

= - 1/2

Using the slope, find the y-intercept:

y = slope(x) + y-intercept

0 = -1/2(2) + y-intercept

y-intercept = 0 + 1

y-intercept = 1

The equation in slope-intercept form is:

y = -1/2 + 1

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Step-by-step explanation:

850÷100=17/2=8.5

8.5×24=204

850-204=646

646÷100=6.46

6.46×13=83.98 1st

646-83.98=562.02

562.02÷100=5.6202 2nd

5.6202×13=73.0626

562.02-73.0626=488.9574

488.9574÷100=4.889574 3rd

4.889574×13=63.564462

4.889574×13=63.564462

488.9574-63.564462=425.392938

425.392938÷100=4.25392938 4th

4.25392938×13=55.30108194

425.392938-55.30108194=370.0918561

370.0918561÷100=3.700918561 5th

3.700918561×13=48.11194129

370.0918561-48.11194129=321.9799148

321.9799148÷100=3.219799148 6th

3.219799148×13=41.85738893

321.9799148-41.85738893=280.1225259

280.1225259÷100=2.801225259 7th

2.801225259×13=36.41592836

280.1225259-36.41592836=243.7065975

I spent waaaaay to much time typing this

answer out I swear if it is incorrect I am done

£243.71

Answer:

5:2

5x-30 = 2x+30

3x = 60

x = 20

total cars:

5(20)+2(20)

=100+40

=140cars

[tex]e^{-5 \lambda}[/tex] is the probability that we have to wait for more than 5 min for the bus to arrive.

So, [tex]f_X(x)=\lambda e^{-\lambda x}, x \geq 0[/tex] ⇒ [tex]P(x \geq 5)=\int_5^{\infty} f_X(x) d x[/tex]

Now, solving the above function as follows:

[tex]\begin{aligned}&P(x \geq 5)=\int_5^{\infty} f_X(x) d x \\&=\int_5^{\infty} \lambda e^{-\lambda x} d x \\&=\left.\right|_5 ^{\infty} \frac{\lambda e^{-\lambda x}}{-\lambda} \\&=\left.\right|_5 ^{\infty}-e^{-\lambda x} \\&=e^{-5 \lambda}\end{aligned}[/tex]

Therefore, the probability that we have to wait for more than 5 min for the bus to arrive is [tex]e^{-5 \lambda}[/tex].

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The correct question is given below:
Suppose that the buses arrive are scheduled to arrive at a bus stop at noon are always X minutes late, where X is an exponential random variable with probability density function  [tex]f_X(x)=\lambda e^{-\lambda x}, x \geq 0[/tex]. Suppose you arrive at the bus stop precisely at noon. Find the probability that you have to wait for more than 5 min for the bus to arrive

PLUG IN THE VALUE 4 IN THE PLACE OF Y AND SIMPLIFY

[tex] = 6(4) - 78 \\ = 24 - 78 \\ = - 54[/tex]

HOPE THIS HELPS

Since the microwave raises the temperature of water by about 80°F in 5 minutes, the graph that has the slope that represents this rate of increase is option A.

Temperature is seen as a given unit used to stand for hotness as well as the coolness  of a given object or thing, it is said to be mostly  in Fahrenheit as well as Celsius.

Based on temperature, heat energy is one that tends to shift from a hotter  part of a body  to a colder part of the same body.

Note that:

Temperature = 80

Minutes = 5

Y = m

5m  = 80

m = 80/5

m = 16

So y  = 16x

Therefore, the graph that can give you the value above is graph A.

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The mean score in the fifth game that will allow you to advance is 73.

The mean score in the fifth game that will allow you to advance can be gotten this way:

Assign the mean score, the variable, and x.

Compute the scores with remarks as follows:

95 + 91 + 77 + 89 + x  ≥ 85

              5

352 + x ≥ 85

      5

85 × 5 = 425

352 + x ≥ 425

x = 425 - 352

x = 73.

So, the score in the fifth game that will allow you to advance will be 73.

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6.85 miles is how deep it is. Under water, sound may travel 4700 feet in a second. The Time takes to travel the sound is 7.69.

Given that,

The deepest area in the ocean is the Marianas Trench in the Pacific Ocean. 6.85 miles is how deep it is. Under water, sound may travel 4700 feet in a second.

We have to calculate the time it takes for sound to travel from the ocean's surface to the Marianas Trench's depths and back, to the nearest tenth of a second.

We know the Distance formula is

Distance =rate×times

Time=Distance/rate

We convert 4700 feet to miles

We get,

4700 feet =0.89 miles

Now,

Time=6.85/0.89

Time=7.69

Therefore, the Time takes to travel the sound is 7.69.

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Answer: 40

Step-by-step explanation:

There are 9 cogs on the outside, and the circumference of a circle is 360 degrees. Dividing 360 by 9 yields 40 degrees.

Answer:

Step-by-step explanation:

negative

The equation of the required line is y = - 2x + 11

We need to find the equation of the line parallel to the given line y = -2x + 5 that contains C(4, 3)

Let m be the slope of the required line.

The slope of the line y = -2x + 5 is -2

We know that, the slope of the parallel lines is equal.

So, m = -2

The required line contains point C(4, 3)

Using point-slope form the equation of the line would be,

(y - y1) = m(x - x1)

y - 3 = -2(x - 4)

y - 3 = -2x + 8

y = -2x + 8 + 3

y = -2x + 11

Therefore, the equation of the required line is y = - 2x + 11

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Answer:

[tex]m_1=\frac{Fd^2}{Gm_2}[/tex]

Step-by-step explanation:

[tex]F=G \left(\frac{m_1 m_2}{d^2} \right) \\ \\ \frac{F}{G}=\frac{m_1 m_2}{d^2} \\ \\ \frac{Fd^2}{G}=m_1 m_2 \\ \\ m_1=\frac{Fd^2}{Gm_2}[/tex]

The value of the inequality expression given as –3(2x – 5) < 5(2 – x) are x < 5 and number line (4)

Inequality expressions are mathematical statements that are represented by variables, coefficients and operators where the opposite sides are not equal

The inequality expression is given as

–3(2x – 5) < 5(2 – x)

Open the brackets

So, we have

-6x + 15 > 10 - 5x

Collect the like terms

So, we have

5x -6x > 10- 15

Evaluate the like terms

So, we have

-x > -5

This gives

x < 5

When represented on a number line, it can be represented as the number line in option (4)

Hence, the equivalents of the inequality are x < 5 and number line (4)

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Answer: la respuesta es 5.25

Step-by-step explanation: 0.75 x 7 = 5.25

No the value of functions are not same .

What is function in math?

  - 5 × ( -5)⁻⁹  =  -5 ×  1/-5⁹  ⇒ 1/5⁸  = 1/390625

[ -5 × (-5)]⁻⁹ = [25]⁻⁹  = 1/25⁹ = 1/3814697265625

No the value of functions are not same .

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Answer:

the relation in the table is a function

the relation in the set of points is not a function

Step-by-step explanation:

the definition of a function is that one input (x) can only have one output (y). In the set of points, the input 4 appears twice, which means it is not a function.

Answer:

Linear Function

Step-by-step explanation:

A linear function has constant slope

That means the ratio of y differences to x differences must be the same throughout the function. In other words the rate of change of the function y value is the same throughout the function

IF we look at the table we see that as x increases by 1, y decreases by 15

For example at x = 0, y = 20 and at x = 1, y = 5

So change in y/change in x = 0  = (5-20)/(1-0) = -15/1 = -15

If we look at another pair of points, say x = 1, y=5 and x = 2, y = -10

we get the rate of change = (-10 - 5)/(2-1) = -15/1 = -15

This is the same for any two x, y pair of values

So it is a linear function

The equation of the linear graph is expressed in slope intercept form as; y = 20x

The equation of a line in slope intercept form is;

y = mx + c

where;

m is slope

c is y-intercept (which is the point where the line crosses the y-axis)

From the graph given we can see that the line crosses the y-axis at 0. Thus; c = 0

Now, we can pick two coordinates to find the slope;

Slope = (y2 - y1)/(x2 - x1)

Slope = (40 - 20)/(2 - 1)

Slope = 20

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Answer: a= 3b + 4c -8

Step-by-step explanation:

a= 3b + 4c -8

-2a + 6b = -8c + 16

-6b from the left the isolate a

-2a = -6b - 8c + 16

then divide by -2 to cancel it out

a = 3b + 4c -8

The equation is equivalent to -2a + 6b = -8c + 16 will be a= 3b + 4c -8

A linear equation is an equation that has the variable of the highest power of 1. The standard form of a linear equation is of the form Ax + B = 0.

We are given the linear equation;

a= 3b + 4c -8

-2a + 6b = -8c + 16

-6b from the left the isolate a

-2a = -6b - 8c + 16

Then divide by -2 to cancel it out;

a = 3b + 4c -8

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Answer:

x = -11

Step-by-step explanation:

           JL + LM = JK + KM

x + 2 + 2x + 27 = 9 + 7

x + 2x + 22 + 27 = 9 + 7

Combine like terms,

             3x + 49 = 16

Subtract 49 from both sides,

                      3x = 16 - 49

                     3x  = -33

Divide both sides by 3,

                      x = -33/3

                     x = -11

Answer:

D

Step-by-step explanation: