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a_sh-v [17]
3 years ago
13

Ella is testing out a new studying method and wants to know if it works. She decides to compare her spelling test scores from la

st week and this week. On last week's test, Ella spelled 16 out of the 20 words correctly. On this week's test, she spelled 13 out of the 15 words correctly. On which test did Ella get a higher ratio of correctly spelled words to total words?
Mathematics
1 answer:
Mademuasel [1]3 years ago
6 0

Answer:

it would take 4 days

Step-by-step explanation:BRAINLIEST PLEASE

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If 4 dice are rolled, what is the number of ways in which at least 1 die shows 3?
UkoKoshka [18]

I think the number of ways is 671?

4 0
3 years ago
A circular pool is 3.5 meters deep and has a radius of 9 meters. What is the volume
mote1985 [20]

Answer:

890.75m^3

Step-by-step explanation:

Step one:

given data

heigth/depth = 3.5m

radius= 9m

Step two:

The shape is that of a cylinder

Hence the volume of the pool is

V= \pi r^2h

substitute

V= 3.142*9^2*3.5\\\\V=890.75 m^3

7 0
3 years ago
Find the values of x and y.
gulaghasi [49]

Answer:

y=180-63-63/2=27degree...in triangle mln

x=180-27-63=90....in triangle mon

6 0
2 years ago
Read 2 more answers
Write an equation of the line passing through the points. Write the equation in general form.
Reika [66]

Answer: y=2x+8

Step-by-step explanation:

(2,12)=(x1,y1)

(-7,-6)=(x2,y2)

(y2-y1)/(x2-x1)=(-6-12)/(-7-2)=-18/-9=2=m

y=mx+b

y=2x+b

insert (2,12) to y=2x+b

12=2*2+b

12=4+b

8=b

y=2x+8

4 0
3 years ago
Evaluate the expression when m = 63 and n = 45
sesenic [268]

The value of the given expression (3m - n)² + 4m when m = 63 and n = 45 is equal to 20,916.

<h3>What is an expression?</h3>

An expression can be defined as a mathematical equation which is used to show the relationship existing between two or more variables and numerical quantities.

<u>Given the following variables:</u>

  • m = 63.
  • n = 45.

Substituting the given variables into the given expression, we have;

Expression = (3m - n)² + 4m.

Expression = (3(63) - 45)² + 4(45).

Expression = (189 - 45)² + 180

Expression = 144² + 180

Expression = 20,736 + 180

Expression = 20,916.

Read more on expressions here: brainly.com/question/28260012

#SPJ1

Complete Question:

Evaluate the expression when m = 63 and n = 45. (3m - n)² + 4m.

8 0
1 year ago
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