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saw5 [17]
3 years ago
9

Which is a better buy; 5 pencils for $0.75 or 8 pencils for $1.00?

Mathematics
1 answer:
Katen [24]3 years ago
7 0
I think the 8 pencils is a better buy because it is only 2 more cents than the other one and 3 extra pencils.  8 cents per pencil
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When D is placed on this square, what will the perimeter of the square be?
Semmy [17]

I can't see a square or a D given with your question.

But to find the perimeter you just have to add the surface of every side of the square.

8 0
3 years ago
Here is a sequence of numbers:
S_A_V [24]

Answer:

Perfect squares

Step-by-step explanation:

Here, we have a list of some numbers and we want to know the name given to these numbers.

Mathematically, these numbers are referred to as perfect squares.

Although all numbers have square roots, not all numbers have integer square root values.

Numbers having integer square root values otherwise known as whole number square root values are referred to as perfect squares.

3 0
3 years ago
Help please, need to show work.
stiks02 [169]

9514 1404 393

Answer:

  3.  m∠A < 80°

Step-by-step explanation:

The exterior angle NGS, marked as 80°, has a measure that is the sum of the measures of the remote interior angles: GAN, GNA.

If we assume that angle measures cannot be zero, then we must have ...

  m∠A +m∠N = 80°

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Since m∠N > 0, the measure of angle A must be less than 80°.

This conclusion matches choice 3.

8 0
2 years ago
In 2000, the average monthly price for basic cable television in the United States was $29.99. In 2016, the average monthly pric
Lelu [443]

Answer:

y(x) = 29.99 + 1.86x

The cost of basic cable television in the United States in the year 2020 will be $67.19.

Step-by-step explanation:

The linear function has the following format.

y(x) = y(0) + ax

In which y(x) is the cost x years after 2000, y(0) is the initial cost, that is, the cost in 2000, and a is the slope(how much the cost changes in a year).

In 2000, the average monthly price for basic cable television in the United States was $29.99.

This means that y(0) = 29.99

In 2016, the average monthly price for the same basic cable television was $59.75.

2016 is 16 years after 2000. So

y(16) = 59.75

Write a linear function that models the cost of basic cable television in the United States for x years after 2000.

y(x) = y(0) + ax

Applying y(16).

59.75 = 29.99 + 16a

16a = 29.76

a = \frac{29.76}{16}

a = 1.86

So

y(x) = 29.99 + 1.86x

Use the linear function to determine the cost of basic cable television in the United States in the year 2020.

2020 is 20 years after 2000, so this is y(20).

y(x) = 29.99 + 1.86x

y(20) = 29.99 + 1.86*20 = 67.19

The cost of basic cable television in the United States in the year 2020 will be $67.19.

3 0
3 years ago
Graph the image of the given triangle under a dilation with a scale factor of 1/4 and center of dilation ​(0, 0)
schepotkina [342]

Answer:

The image in the attached figure

Step-by-step explanation:

we know that

The dimensions of the image of the given triangle are equal to the original dimensions of the pre-image multiplied by the scale factor

In this problem the scale factor is 1/4

The height of the pre-image is 4 units

The base of the pre-image is 8 units

Find out the dimensions of the image

The height of the image is (4)\frac{1}{4}=1\ unit

The base of the image is (8)\frac{1}{4}=2\ units

The image in the attached figure

6 0
3 years ago
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