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Jobisdone [24]
2 years ago
10

Can someone help me with this question please (brainiest and 50 points)

Mathematics
2 answers:
seropon [69]2 years ago
7 0

Answer:

Stephanie read more than 7 books.

Step-by-step explanation:

We are given the equation y= 8x

First, lets break down the equation given.

  • <em>y </em>represents the total amount of points.
  • <em>x</em> represents each book read.

Since Stephanie gained a <u>total of 72 points</u>, then y = 72. The value of x is unknown and is the value that we need to figure out as it will tell us how many books Stephanie read.

72= 8x

Simply divide both sides by 8.

\frac{72}{8} =\frac{8x}{8}

9=x

Remember, <em>x</em> represents each book read. Stephanie read 9  books. So, Stephanie read more than 7 books.

sergiy2304 [10]2 years ago
5 0

Answer: Stephanie read more than 7 books because 8 points for 9 books each is equal to 72 points, which is the total amount of books she read.

Step-by-step explanation:

72 ÷ 8 × 9

x = 9

Hope this helped! :D

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3 years ago
An isosceles triangle with equal sides of 5 inches and a base of 6 inches is inscribed in a circle. What is the radius, in inche
nikklg [1K]
Wow this is a doozy! First you have to figure out what is it you are looking for? If you make a dot in the center of the triangle (which is also the center of the circle) and draw a line from the center to one of the vertices of the triangle you have the radius of the triangle and also of the circle. If you draw all 3 radii from the triangle's center to its vertices, you see you have created 3 triangles within that one triangle.  The trick here is to figure out what your triangle measures are as far as angles go.  If we take the interior measures of those 3 triangles, we get that each one has a measure of 120 (360/3=120). So that's one of your angles, the one across from the side measuring 6. Because of the Isosceles Triangle theorem, we know that the 2 base angles have the same measure because the sides are the same. Subtracting 120 from 180 gives you 60 which, divided in half, makes each of those remaining angles measure 30 degrees. So if we extract that one triangle from the big one, we have a triangle with angles that measure 30-30-120, with the base measuring 6 and each of the other sides measuring 5. If we then split that triangle into 2 right triangles, we have one right triangle with measures 30-60-90. Dropping that altitude to create 2 right triangles not only split the 120 degree angle at the top in half, it also split the base side of 6 in half. So our right triangle has a base of 3 and we are looking for the hypotenuse of that right triangle.  WE have to use right triangle trig for that. Since we have the top angle of 60 and the base of 3, we can use sin60=3/x.  Solving for x we have x=3/sin60 which gives us an x value of 3.5 inches rounded from 3.464. I'm not sure what you mean by a mixed number unless you mean a decimal, but that's the radius of that circle.
6 0
3 years ago
I'm struggling right now because I learned this but I completely forgot how to do it. I need to find the distance between two po
DochEvi [55]

Answer:

12 units

Step-by-step explanation:

3 0
3 years ago
<img src="https://tex.z-dn.net/?f=%5Csqrt%5B4%5D%7BW%7D%20%3D%202" id="TexFormula1" title="\sqrt[4]{W} = 2" alt="\sqrt[4]{W} = 2
solmaris [256]

Answer:

<h2>W = 16</h2>

Step-by-step explanation:

<h3>\sqrt[4]{W}  = 2 </h3>

To find W raise each of the sides of the equation to the power 4 to make W stand alone

That's

<h3>( { \sqrt[4]{W} })^{4}  =  {2}^{4}</h3>

We have

W = 2⁴

We have the final answer as

<h3>W = 16</h3>

Hope this helps you

6 0
3 years ago
Which orderd pair is a solution of the equation-3x+5y = 2x + 3y
velikii [3]

Answer:

2y=5x

Step-by-step explanation:

-3x+5y=2x+3y

5y=5x+3y

2y=5x

4 0
3 years ago
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