Sam was in 4th grade 146 weeks ago. What fade is she in now?

1 answer:

4 0

She is in 6th grade. there are 52 weeks in a year, and 146/52 is approximately equal to 2.8. If she was starting 4th grade in the beginning of the year, then she would now be nearing the end of 6th grade.

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What are the coordinates of point B?

zaharov [31]

Point a is at (-2,4) => (x1,y1)

Midpoint is (2.5, 3.5) => (a,b)

Point B is (x2, y2)

To find midpoint we use formula

$(a=\frac{x_1+x_2}{2} , b= \frac{y_1+y_2}{2})$

a= 2.5, b= 3.5, x1= -2 and y1= 4

Plug in all the values and findout x2, y2

$(2.5=\frac{-2+x_2}{2} , 3.5= \frac{4+y_2}{2})$

multiply 2 on both sides to remove fraction

(5 = -2+x2 , 7 = 4+ y2)

5 = -2+x2, so x2= 7

7 = 4+ y2, so y2= 3

The point B is ( 7, 3)

3 0

3 years ago

What s the equation for y= (0,2) slope= -3/7

masya89 [10]

The standard form equation for a straight line is y=mx+b where m is the slope and b is the y intercept. Substitute your given information:
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5 0

3 years ago

I need this problem solved real quick

PIT_PIT [208]

Let's take this problem step-by-step:

The ;unlabeled angle' adjacent to the 'outside angle of measure 78°'

⇒ is on a straight line

⇒ sum of angle measure = 180 degrees

$unlabeled_.angle+78 = 180\\unlabeled_.angle = 102$