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ozzi
3 years ago
6

.........................

Mathematics
1 answer:
malfutka [58]3 years ago
8 0
Pay attention in math class! in higher grade levels, this is gonna show up EVERYDAY! no joke
In these types of problems, you need to use PEMDAS also.

((4)+3)+(13(-2)-5)
(7)+(-31)
7-31
-24
<u><em>C</em></u>

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Aaron ate 5/6 of his sandwich at lunch. Colin ate 2/3 of his sandwich. did the two boys eat the same amount? Explain
Nady [450]
No. Aaron ate more because 5/6 is a larger fraction than 2/3.
7 0
3 years ago
Read 2 more answers
3 teachers each bought a box of markers and 2 notebooks. The box of markers cost $2.50. The total was $12.00. Write an equation
larisa [96]

Answer:

$1.12

Step-by-step explanation:

12÷3=4

1 box of markers is $2.50, Multiply $2.50 by 3 and you get $7.50. 12- $7.50= $4.50. $4.50÷ 2= $2.25. $2.25÷2= $1.12

Not 100% but i'm pretty sure this is the answer. Hope this helps. ( if i'm wrong sorry its 2:30 am)

4 0
3 years ago
Convert -√3-i to polar form.
Jlenok [28]

Answer:

-sqrt(3) -i = 2 cis (7pi/6)

Step-by-step explanation:

-sqrt(3) -i

We can find the radius

r = sqrt( (-sqrt(3)) ^2 + (-1) ^2)

  = sqrt( 3 + 1)

  = sqrt(4)

  = 2

theta = arctan (y/x)

          arctan (-1/-sqrt(3))

         arctan (1/sqrt(3))

theta = pi/6

But this is in the first quadrant, and we need it in the third quadrant

Add pi to move it to the third quadrant

theta = pi/6 + 6pi/6

         =7pi/6


-sqrt(3) -i = 2 cis (7pi/6)

6 0
3 years ago
Read 2 more answers
Which ordered pies could be points on a line parallel to the line that contains (3,4)and(-2,2) check all that apply
svlad2 [7]
  • Slope formula: \frac{y_2-y_1}{x_2-x_1}

So lines that are parallel will have the same slope. So the answer we are looking for will have the same slope as the line containing points (3,4) and (-2,2). Use the slope formula to determine which of these points have the same slope.

<h3>Original Line:</h3>

\frac{4-2}{3-(-2)}=\frac{2}{5}

<u><em>Lines that are parallel to this line will have a slope of 2/5</em></u>

<h3>Option A:</h3>

\frac{-5-(-3)}{-2-(-7)}=-\frac{2}{5}

<h3>Option B:</h3>

\frac{1-(-1)}{-1-(-6)}=\frac{2}{5}

<h3>Option C:</h3>

\frac{5-0}{2-0}=\frac{5}{2}

<h3>Option D:</h3>

\frac{2-0}{8-3}=\frac{2}{5}

<h2><u>Results:</u></h2>

Since the only options that had a slope of 2/5 was options B and D, <u>B and D are your answers.</u>

3 0
3 years ago
Determine the value of x in the diagram.
timurjin [86]

Answer:

x=45

Step-by-step explanation:

the sum of exterior angles is equal to 360

3x+x+3x+x=360

8x=360

x= 45

4 0
3 years ago
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