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Stels [109]
3 years ago
13

FINND X AND Y PLS LOL ILL MARK BRAINILEST DONT GUESS THO -2x + 5y = 60 x + 5y = 45

Mathematics
1 answer:
Katen [24]3 years ago
3 0

Answer:

(-5, 10)

Step-by-step explanation:

I used the substitution method.

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If 4/9 of the 63 fishes in the tank were guppies. How many of the fish were not guppies
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35 were not guppies.

Explanation:
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2 years ago
A Food Marketing Institute found that 39% of households spend more than $125 a week on groceries. Assume the population proporti
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Answer:

0.6210

Step-by-step explanation:

Given that a Food Marketing Institute found that 39% of households spend more than $125 a week on groceries

Sample size n =87

Sample proportion will follow a normal distribution with p =0.39

and standard error = \sqrt{\frac{0.39(1-0.39)}{87} } \\=0.0523

the probability that the sample proportion of households spending more than $125 a week is between 0.29 and 0.41

=P(0.29

There is 0.6210 probability that the sample proportion of households spending more than $125 a week is between 0.29 and 0.41

7 0
3 years ago
A sphere has a radius of 5.3 ft. What is the volume of the sphere to the nearest tenth? use 3.14 for pi. Question 3 options:
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Your answer would be c
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5 0
3 years ago
Which ratios of side lengths are equal to tan (a) ?
Eddi Din [679]

Answer:

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Step-by-step explanation:

tan(\alpha)=\frac{opposite}{adjacent}

4 0
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Unpopular opinion
Harlamova29_29 [7]

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no i think you are just unlucky :)

Step-by-step explanation:

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