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Vera_Pavlovna [14]
3 years ago
6

Exam scores in a large class are normally distributed with a mean of 60

Mathematics
1 answer:
Nata [24]3 years ago
4 0

Answer:

our mama

Step-by-step explanation:

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PC=PD then (PA)PC)=(PB)(___)
yKpoI14uk [10]

Answer:

PD is the answer

Step-by-step explanation:

(PA) (PC) = (PB) (PD)

6 0
3 years ago
Lori had $88. She earned $29 walking dogs. After she spent money for concert tickets, Lori has $74 remaining.
BaLLatris [955]

Answer: $43

Step-by-step explanation:

total 88 + 29 = 117

117-74 = cost of concert tickets

= $43

4 0
3 years ago
Read 2 more answers
What is the best description for the lines
jeyben [28]

Answer:

Lines are described as connecting curve joining two points.

Step-by-step explanation:

In coordinate geometry, graph theory, we have points which do not occupy any space.

Any two points can be connected by a curve or a straight line.  If two points are joined by a straight line, then we have the slope of the line i.e. the tangent of angle of the line with x axis is constant.

Straight lines would be of the form ax+by+c=0

Hence in equation form, lines would have equations in linear form of both x and y.

Lines have constant slope throughout the region.

Lines can be extended from -infinity to +infinity

Any two distinct  points can make a line, but 3 points need not lie on the same line.


7 0
3 years ago
Which operations are the most efficient to use to solve the problem and what is the solution? Lucas is making a banner that has
ivolga24 [154]

So, first what we should do is divide 2,046 by 62 to find the width of Lucas's banner.

2,046 / 62 = 33     The width of Lucas's banner is 33 cm.

Which means if the width of Emily's banner is 3x that:

3 x 33 = 99     Emily's banner is 99 cm in width.

So, your 2 answers are: 99 cm, division and multiplication.   ;)

3 0
3 years ago
What's the difference between 4.5 and -3.5​
suter [353]

Answer:

4.5 and -3.5 are different numbers for one then on is positive and one is negative

Step-by-step explanation:

4 0
3 years ago
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