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Nataly_w [17]
3 years ago
7

What is the solution to the equation? 2 a+53 = =9

Mathematics
1 answer:
Andre45 [30]3 years ago
8 0

Answer:

-22

Step-by-step explanation:

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What is the sum of the measures of the interior angles formed by the boundary of this team pennant?
Amiraneli [1.4K]

Answer:

Option 3rd is correct that is 180^{\circ}

Step-by-step explanation:

Since, the pennant has three points it is in triangular shape since, have three points

Triangle is enclosed figure.

As we know the sum of interior angles of triangles is 180^{\circ}

Therefore, Option 1,2,4 are discarded.

Hence, Option 3rd is correct.

6 0
3 years ago
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6<br> Rewrite<br> as a mixed number.<br> =
anastassius [24]

Answer:

=7/1

Step-by-step explanation:

brainliest?

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2 years ago
What are the sides of a rectangular prism increased by if the volume increases from 54 mm3 to 3456 mm3?
kotykmax [81]

Answer:

The sides of the original rectangular prism have been increased by a scale factor of 4

Step-by-step explanation:

we know that

If two figures are similar, then the ratio of its volumes is equal to the scale factor elevated to the cube

Let

z----> the scale factor

x---> volume of the increased rectangular prism

y---> volume of the original rectangular prism

z^{3}=\frac{x}{y}

substitute

z^{3}=\frac{3,456}{54}=64

z=4 -----> the scale factor

therefore

The sides of the original rectangular prism have been increased by a scale factor of 4

6 0
3 years ago
Find the common difference of the arithmetic sequence.
Hunter-Best [27]

Answer:

1/5

Step-by-step explanation:

Since it is starting with negatives, the pattern is actually increasing. They are adding 1/5 each time

8 0
3 years ago
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In its Fuel Economy Guide for 2016 model vehicles, the Environmental Protection Agency gives data on 1170 vehicles. There are a
oee [108]

Answer:

15.39%

Step-by-step explanation:

Step 1

Find the z-value associated to the given datum x, in this case x = 28 mpg

<em>z is given by the formula </em>

z=\frac{x-\mu }{\sigma }

where \mu is the mean of the distribution and \sigma is the standard deviation. In this case,

z=\frac{x-\mu }{\sigma }=\frac{28-23}{4.9}=1.02

Step 2

Locate the z-value in the table of z-values of the normal distribution.

(See table attached) and read the number corresponding to this z-value. In this case is highlighted in the table and its value is 0.34614.

<em>This numbers gives us the % of vehicles with a mpg between 0 and 28. </em>

Step 3

As we know that the total area under the curve  for z > 0  is 0.5, then we have to subtract 0.34614 from 0.5 to obtain the % of cars with  a mpg greater than 28 mpg.

0.5 - 0.34614 = 0.15386  

so, the % of 2016 vehicles that have better gas mileage than the Beetle's gas mileage is 15.39 % (rounded to two decimals)

8 0
3 years ago
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