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Makovka662 [10]
3 years ago
15

There are 25 elements found in living things. How many of these elements are found in some organisms but not all?

Mathematics
1 answer:
wolverine [178]3 years ago
8 0
What are the answer choices
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How to answer this question
12345 [234]
Flip the fraction to make the -3 exponet positive then it will be 9x^5/3x^3 which the answer would then be 3x^2
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3 years ago
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Cobalt-60 has a half-life of about 5 years. How many grams of a 300 g sample will remain after 20 years? A: 0.0625 g
Marina86 [1]
The answer is letter c
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3 years ago
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Plz help I will give brainliest!
elena55 [62]

Answer:

b, 1 5/8

Step-by-step explanation:

the area is 4 15/32 square meters, and you find the area by doing length x width. the length is provided, 2 3/4. so all you have to do is divide 4 15/32 by 2 3/4 and you get 1 5/8

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3 years ago
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4. Solve the following equation:<br> is<br> 2x + 10 =17
klasskru [66]
X=7/2 which is equal to 3.5
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3 years ago
A math teacher claims that she has developed a review course that increases the scores of students on the math portion of a coll
xxMikexx [17]

Answer: D

H0: μ=522

H1: μ>522

Step-by-step explanation:

The null hypothesis (H0) tries to show that no significant variation exists between variables or that a single variable is no different than its mean. While an alternative Hypothesis (Ha) attempt to prove that a new theory is true rather than the old one. That a variable is significantly different from the mean.

So, for this case;

The null hypothesis is that the mean score equals to 522

H0: μ=522

The alternative hypothesis is that the mean score is greater than 522.

H1: μ>522

8 0
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