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Anna007 [38]
3 years ago
8

What percent is equivalent to 1230 ? 12% 30% 40% 60%

Mathematics
2 answers:
GalinKa [24]3 years ago
7 0

Answer:

40%

Step-by-step explanation:

To convert to a percent, we divide the numerator by the denominator. Our answer will be a decimal which we will multiply by 100 to find the percent.

\frac{12}{30}=\frac{6}{15}=\frac{2}{5} =0.4\\0.4(100)=40%

V125BC [204]3 years ago
3 0

Answer:

40%

Step-by-step explanation:

12 / 30 = 0.4

To convert to a percent we must multiply by 100.

0.4 x 100 = 40

Please tell me if I'm wrong, maybe brainliest?

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Will a fraction increase or decrease and by what percent if its numerator is increased by 20% and its denominator is increased b
polet [3.4K]

Answer:

increase by the percent

4 0
3 years ago
LMNP is a rectangle. Find the value of x and the length of each diagonal. LN=2x+25 and MP=6x−7
Nana76 [90]
2x+25=6x-7
4x=32
x = 8
LN = 41
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3 0
3 years ago
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What is the ratio of students who dance to the total number of students?<br>​
Citrus2011 [14]

Answer:

I'm sorry I don't know the ratio but the whole number of students is 164 and dance students is 43 i hope this helps if not im sorry i tried to help

Step-by-step explanation:

4 0
3 years ago
A company says its premium mixture of nuts contains 13​% Brazil​ nuts, 19​% ​cashews, 17​% ​almonds, and 8​% ​hazelnuts, and the
beks73 [17]

Answer:

A) There are no Counts

B) I'll count the number of each type of nut.

Step-by-step explanation:

A) Yes, the Chi-square is not an appropriate method because the question gave us the weight of the nuts in grams and these are not counts. Whereas, the chi-square goodness-of-fit test requires that the data values are counts.

B) What i will do instead is that i will count the number of each type of nut and assume that the given percentages are also relevant for each type of nut.

4 0
4 years ago
PLEASE HELP!!
aev [14]

Answer:

D. No, because P(A|B)=0.22 and the P(A) = 0.53 are not equal.

Step-by-step explanation:

Given:

Probability of doing yard work is, P(A)=53\%=0.53

Probability of raining, P(B)=68\%=0.68

Probability of doing yard work and it raining is, P(A\cap B)=15\%=0.15

Now, two events A and B are independent if,

P(A|B)=P(A);P(B|A)=P(B)

Conditional probability of event A given that B has occurred is given as:

P(A|B)=\frac{P(A\cap B}{P(B)}\\P(A|B)=\frac{0.15}{0.68}=0.22

So, P(A|B)=0.22\ and\ P(A)=0.53

Since, P(A|B)\ne P(A), A and B are not independent events.

8 0
3 years ago
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