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Annette [7]
3 years ago
8

PLEASE HURRY!!!!

Mathematics
2 answers:
Mashutka [201]3 years ago
8 0

Answer:

d

Step-by-step explanation:

took quiz

Pavel [41]3 years ago
5 0

Answer:

D

Step-by-step explanation:

You are going to roll two dice.

If you roll one die, then there are 6 possible outcomes: 1, 2,  3, 4, 5, 6

If you roll two dice, then there are 6\times 6=36 possible outcomes:

\begin{array}{cccccc}1-1&1-2&1-3&1-4&1-5&1-6\\ \\2-1&2-2&2-3&2-4&2-5&2-6\\ \\3-1&3-2&3-3&3-4&3-5&3-6\\ \\4-1&4-2&4-3&4-4&4-5&4-6\\ \\5-1&5-2&5-3&5-4&5-5&5-6\\ \\6-1&6-2&6-3&6-4&6-5&6-6\end{array}

Here the first number is the number rolled on the first die, the second number is the number rolled on the second die.

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<span> 5x-4y=40

</span><span>x intercepts, y = 0
</span>5x =40
x = 8

y intercepts, x = 0
-4y =40
y = -10

answer 
x intercepts (8,0)
y intercepts (0, -10)
3 0
3 years ago
Five cards are dealt at random and without replacement from a standard deck of 52 cards. What is the probabilitythat the hand co
Sunny_sXe [5.5K]

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Solve slope
Marianna [84]

Answer:  

To find the slope of a line, given its equation, we have to rearrange its terms to the slope-intercept form y = mx + b. Here, 'm' gives the slope and 'b' gives the y-intercept of the equation. We rewrite the standard form of the equation of the line to the slope-intercept form y = mx + b.

Step-by-step explanation:

I hope this helps:)

8 0
2 years ago
Outside temperature over a day can be modelled as a sinusoidal function. Suppose you know the high temperature for the day is 75
AveGali [126]

Answer: D(t) = 20°*cos((pi/4)*t) + 55°

Step-by-step explanation:

using that t = 0 is midnight, we know.

We know:

Max temp = 75°

Min temp = 35° (occurs at t = 4 hours)

Now we can model this as:

D(t) = A*cos(c*t) + B

Where A, c and B are constants.

we have a minimum at t = 4 hours, a minimum means that cos(c*t) = -1

then we have that:

D(4) = A*cos(c*4) + B = A*(-1) + B = 35°

here we also have that cos(c*4) = -1

this means that c*4 = pi

c = pi/4

We also have that the maximum temperature is 75°, the maximum temperature is when cos(c*t) = 1

D(t0) = A*(1) + B = 75°

with this we can find the values of A and B.

-A + B = 35°

A + B = 75°

We isolate B in the first equation and then replace it in the second equation.

B = 35° + A

A + B = 75°

A + 35° + A = 75°

2A = 40°

A = 40°/2 = 20°

B = 35° + 20° = 55°.

Our equation is:

D(t) = 20°*cos((pi/4)*t) + 55°

6 0
3 years ago
Find the distance between the two points in simplest radical form.
ollegr [7]

Answer:

The distance between (-8,-2) and (-6,2) is:

  • \:d=2\sqrt{5}  

Step-by-step explanation:

Given the points

  • (-8,-2)
  • (-6,2)

Computing the distance between (x₁, y₁)  and (x₂, y₂)

d=\sqrt{\left(x_2-x_1\right)^2+\left(y_2-y_1\right)^2}

substituting (x₁, y₁) = (-8,-2) and (x₂, y₂) = (-6,2)

  =\sqrt{\left(-6-\left(-8\right)\right)^2+\left(2-\left(-2\right)\right)^2}

  =\sqrt{\left(-6+8\right)^2+\left(2+2\right)^2}

  =\sqrt{2^2+4^2}

  =\sqrt{20}

  =\sqrt{2^2\cdot \:5}

  =\sqrt{5}\sqrt{2^2}          ∵ \sqrt[n]{ab}=\sqrt[n]{a}\sqrt[n]{b}

  =2\sqrt{5}              ∵  \sqrt[n]{a^n}=a

Therefore, the distance between (-8,-2) and (-6,2) is:

  • \:d=2\sqrt{5}  
7 0
3 years ago
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