Ask question

Ask question

All categories

2 years ago

13

a math placement test has a mean of 42 and standard deviation of 5. the english replacement test has a mean of 64 and standard d

eviation of 9. ricky scores 46 on the math test and 70 on the english test on which test did ricky score higher and why

1 answer:

sertanlavr [38]2 years ago

7 0

Answer:

English. Because 76> 46

You might be interested in

Find the slope of the line that passes through these points. (4, 5) (7, 8)

harina [27]

Answer:

The slope would be 1

Step-by-step explanation:

7 0

2 years ago

A landscaping business is purchasing plants from a nursery to finish a project. It will cost $7 each to buy each tree and $5 eac

wlad13 [49]

Answer:

7x + 5y ≤ 770

Step-by-step explanation:

3 0

2 years ago

Two lines are perpendicular if they are para el and cross

eduard

Answer:

If they create a 90 degree angle then yes.

3 0

3 years ago

Choose the midpoint of the line segment with endpoints at (5, 9) and (11, 15).

Tcecarenko [31]

Answer:

C) (8,12)

Step-by-step explanation:

$MP= (\frac{x_1+x_2}{2} )(\frac{y_1+y_2}{2} )\\MP= (\frac{5+11}{2} )(\frac{9+15}{2} )\\MP= (\frac{16}{2} )(\frac{24}{2} )\\MP= (8,12)$

8 0

2 years ago

Resolva a equação a seguir:<br> (x-3/2) + (2x-3/4) = (x²) + (x)-(17/2)

bagirrra123 [75]

X =(-8+√464)/-8=1-1/2√<span> 29 </span><span>= -1.693</span>

8 0

2 years ago