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romanna [79]
3 years ago
15

Mila has 100 math problems to finish this week.She solved 2/10 of her problems on Monday and 25/100 of the problems on Tuesday.

      Did Mila solve more problems on Monday or on Tuesday?Explain.      What fraction of the math problems for the week did Mila solve on Monday and Tuesday.
 
Mathematics
2 answers:
dsp733 years ago
5 0
She answerd more on Tuesday, she did 1/4 = 25% ... on monday she did 2/10 = 20% 
Rzqust [24]3 years ago
3 0
The answer is 25/100 because if you convert the fraction into a decimal you will get 0.25 hundredths.So you do the same to 2/10 and you will get 0.2 tenths.Since 0.2 is in the the tenths it means it is really 0.20 hundredths if you were to convert it to hundredths and 0.25 is more than 0.2.So she did more math problems on Monday than on Tuesday.

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Which expression is equivalent to -2v+(-4)+(-3v)? A -5 B 7v C -6v+5 D -5v+ 4
inessss [21]

Answer:

-5v+4

Step-by-step explanation:

Remove the parentheses and combine the like terms:  

-2v + (-4) + 8 + (-3v)

-2v -4 + 8 -3v    [Remove parentheses]

-5v +4                [Combine like terms]

<u>-5v +4    </u>  

3 0
2 years ago
A local board of education conducted a survey of residents in the community concerning a property tax levy on the coming local b
IrinaK [193]

Answer:

a. [ 0.454,0.51]

b. 599.472 ~ 600

Step-by-step explanation:

a)

Confidence Interval For Proportion

CI = p ± Z a/2 Sqrt(p*(1-p)/n)))

x = Mean

n = Sample Size

a = 1 - (Confidence Level/100)

Za/2 = Z-table value

CI = Confidence Interval

Mean(x)=410

Sample Size(n)=850

Sample proportion = x/n =0.482

Confidence Interval = [ 0.482 ±Z a/2 ( Sqrt ( 0.482*0.518) /850)]

= [ 0.482 - 1.645* Sqrt(0) , 0.482 + 1.65* Sqrt(0) ]

= [ 0.454,0.51]

b)

Compute Sample Size ( n ) = n=(Z/E)^2*p*(1-p)

Z a/2 at 0.05 is = 1.96

Samle Proportion = 0.482

ME = 0.04

n = ( 1.96 / 0.04 )^2 * 0.482*0.518

= 599.472 ~ 600

8 0
3 years ago
You have prices to rev
Alex17521 [72]

Answer:

34 minutes

Step-by-step explanation:

Given

Time\ Spent = 6

Phone\ Calls = 40

Required

Number of minutes left to spend (x)

Since there's only 1 minute left to spend on every other call;

Time left = x * 1

Time left = x

The required can further be calculated using:

Time\ Spent + Time\ Left = Phone\ Calls

This gives:

6 + x = 40

Subtract 6 from both sides

x = 40 - 6

x = 34

<em>Hence, there are 34 minutes left to spend</em>

8 0
3 years ago
What is the value of x if 7-9x=10 plz help
NeX [460]
The value of x is 12
7 0
3 years ago
Read 2 more answers
How do I find the correct answer
lys-0071 [83]

I think it is a because it shows us the points that the students made. I also think it is d. But I think it is mainly a.

-Dhruva;)

3 0
3 years ago
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