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Sati [7]
2 years ago
5

For the given expression, use the Distributive Property to enter an equivalent expression. 8y + 5y =

Mathematics
2 answers:
Studentka2010 [4]2 years ago
8 0

Answer:

1( 8y + 5y )

Step-by-step explanation:

The gcf of 8 and 5 is 1

Tamiku [17]2 years ago
4 0

Step-by-step explanation:

you can use mathaway and itll solve it for you just take a pic

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14 m × 10 m

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Question 3:

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(Sorry I can't answer this question since there is no graphic shown)

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Sorry I couldn't answer all of the questions. I hope this help you though.

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3 years ago
PLS I NEED ASAP I WILL GIVE BRAINLIEST AND 30+ POINTS
Nadya [2.5K]

Question:

The diagram below shows the graph of a proportional relationship. The plotted point is (6,9) .

What is the unit rate of this graph? Be sure to simplify your answer.

Answer:

The unit rate of this graph is 1.5

Explanation:

The graph shows a proportional relationship and the plotted point is (6,9).

The unit rate of the graph can be determined by the formula,

\frac{y_{2}-y_{1}}{x_{2}-x_{1}}=m

Thus, from the graph, the coordinates are (0,0) and (6,9)

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7 0
3 years ago
Newton's Law of Cooling states that the rate of change of the temperature of an object, T, is proportional to the difference of
maria [59]

Answer:

  305 °F

Step-by-step explanation:

The core temperature of the object after 4 hours can be found using an exponential decay formula to model the decay of the difference between core temperature and ambient.

<h3>Cooling Model</h3>

The solution to the differential equation described by Newton's law of cooling is the exponential equation ...

  y = ab^t +c

where 'a' is the initial core temperature difference from ambient, 'b' is the decay factor of that difference in 1 unit of time period t. 'c' is the ambient temperature.

For this problem, the ambient temperature is c=80, and the differences of interest are ...

  a = 1200 -80 = 1120

  b = (830 -80)/1120 = 75/112

Using these values in the model gives ...

  y = 1120(75/112)^t +80 . . . . . . where y(t) is the core temperature at time t

Note that units of time are hours.

<h3>Application</h3>

We want y when t=4.

  y = 1120(75/112)^4 +80 ≈ 1120(0.20108) +80 ≈ 305.212

The core temperature after 4 hours is about 305 °F.

__

<em>Additional comment</em>

The differential equation will have a solution of the form ...

  T-T_R=(T_0-T_R)e^{kt}

where k = ln(75/112) ≈ -0.40101

In the above, we defined b = e^k = 75/112. Accuracy with this fraction can be better than using a truncated value of k.

5 0
2 years ago
Find the sum of the finite geometric series: 5 + 10 + 20 + ... +81,920.
Anestetic [448]

Answer:

No solution

Step-by-step explanation:

This is a geometric sequence since there is a common ratio between each term. In this case, multiplying the previous term in the sequence by  2  gives the next term. In other words,  <em>a n +a1 ⋅ r n -1</em><em> </em>

Geometric Sequence:<em>  </em><em>r = 2</em>

The series given has a value of<em>  </em><em>r  </em>such that <em>r  >  1  or   r  <  −  1.</em> Therefore, the infinite sum cannot be calculated.<em> </em>

<em> </em>

<em> </em>

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2 years ago
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skelet666 [1.2K]

Answer:

slope=3

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Step-by-step explanation:

5 0
2 years ago
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