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KengaRu [80]
3 years ago
8

Marly needs to score 586 points in order to pass a test. Every question is worth 4 points. She already has 58 points. How many m

ore questions does she need in order to pass this test?​
Mathematics
2 answers:
lesya [120]3 years ago
5 0

Answer:

132 questions

Step-by-step explanation:

First, let’s find how many more points she needs.

To find this, find the difference between the points she needs and the points she has.

points needed- points gained

She needs 586 points and already has 58 points.

586 points-58 points

528 points

Now, we need to find how many questions she needs to answer correctly.

She needs 528 points and every correct question is worth 4 points.

Therefore, we can divide 528 by 4 to find how many questions she must answer correctly.

528/4=132

132 questions

She must answer 132 questions correctly to pass the test.

soldier1979 [14.2K]3 years ago
4 0

Answer:

89

Step-by-step explanation:

586 divide by 4 is 146.5 so then i rounded to make it 147 then subtracted the points she already had (58) which led me to 89

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Answer:

Step-by-step explanation:

To understand the situations we must do a Venn diagram:

The total of people asked is 3400. Then,

a) For People who enjoyed vanilla but not chocolate or mint, seeing the diagram of Venn, we can deduce the equations:

undefined

b) For people who did not enjoy chocolate, vanilla or mint:

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1 year ago
the owner of the store buys calculator for $12. If she marks the up by 30% at what price does she sell them?
worty [1.4K]
Add 12+30% and make sure to add the %
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Because of a mistake in​ packaging, a case of 16 bottles of wine contained 9 of brand A and 7 of brand​ B, each without labels.
attashe74 [19]

Answer:

a) The probability that all five are brand​ A is 0.0288

b) The probability that exactly two bottles are brand​ A is 0.0288

c) The probability that none of the bottles is brand​ A is 0.0048

Step-by-step explanation:

We have 9 bottles of brand A and 7 bottles of brand B.

The total of bottles is 16.

a) The probability that all five bottles are brand​ A is given by:

P(5A)=\frac{9}{16} \frac{8}{15}\frac{7}{14}  \frac{6}{13} \frac{5}{12}=\frac{3}{104}=0.0288

b) Since we have 9 bottles of brand A we calculate the probability of picking two brand A bottles and the we calculate the probability of picking 3 brand B bottles:

P(2A3B)=\frac{9}{16} \frac{8}{15}\frac{7}{14}  \frac{6}{13} \frac{5}{12}=\frac{3}{104}=0.0288

c) The probability that none of the bottles is brand​ A is the same as picking 5 brand B bottles:

P(5B)=\frac{7}{16} \frac{6}{15}\frac{5}{14}  \frac{4}{13} \frac{3}{12}=\frac{1}{208}=0.0048

7 0
3 years ago
WILL GIVE BRAINLIEST PLS ANSWER ASAP :)
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Answer:

simple probability

Step-by-step explanation:

this is because at the fair you can spin two wheels of chance

and number 2 has the letter a and b

this means you can use both to have 4 spins

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3 years ago
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aalyn [17]
And what exactly is the problem??
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4 years ago
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