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Studentka2010 [4]
2 years ago
10

Over Fall break, Tory read 5 times as many pages as her brother and sister combined. Tory read 1840 pages and her brother read 2

00 pages. How many pages did her sister read? Write an equation and solve for the number of pages her sister read.
Mathematics
2 answers:
finlep [7]2 years ago
7 0

Answer

368

Step-by-step explanation:

1840÷5=368

Tatiana [17]2 years ago
7 0

Answer:

170,

Step-by-step explanation:

my explanation is commented on the other persons answer

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In a triangle, the sum of the measures of the first two angles is 12 less than the measure of the third angle. In addition, the
USPshnik [31]

The measure of the three angles are  56, 28 , 192 degree

<h3>What is a Triangle ?</h3>

A triangle is a polygon with three sides , three vertices an three angles.

It is given to make system of equations

Let the measure of the first , second and third angle be x, y and z

the sum of the measures of the first two angles is 12 less than the measure of the third angle.

x +y = z -12  ----1

the measure of the first angle is twice as big as the measure of the second angle.

x = 2y

Now equation 1 will be

z - 3y = 12

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On solving the system of equation 1, 2

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3y = 180-96

y = 28

x = 56

Therefore the measure of the three angles area  56, 28 , 192 degree.

To know more about Triangle

brainly.com/question/2773823

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