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Step2247 [10]
3 years ago
7

Andy scored a 90 on his last math exam. He scored 81 this time. By what percent did his score decrease

Mathematics
2 answers:
kirza4 [7]3 years ago
6 0
123456789082838283838382828283883838383
NNADVOKAT [17]3 years ago
6 0

Answer:

99999999999999999999

Step-by-step explanation:

9 is answer

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Which numbers are irrational? Check all that apply.
zalisa [80]

Answer: B, E, and F

Step-by-step explanation: :)

5 0
3 years ago
A sample of lake water contains 150grams of salt. If 30% of the water sample is salt, find the number of grams the entire sample
hjlf

Answer:

500 grams

Step-by-step explanation:

Let's say that the total number of grams of the sample is x. We know that 30% of x is salt and we also know this quantity is 150 grams. So, we can write this as:

30% * x = 150

Remember that % is simply "out of 100", so 30% = 30/100 = 0.30. Then:

0.30 * x = 150

Divide both sides by 0.30:

x = 500 grams

Hope this helps!

5 0
4 years ago
Which function is graphed below?
hoa [83]

Option B. y = 3 (one-third) Superscript x is the function that is graphed in this question.

<h3>How to solve the problem</h3>

We have exponential functions to be of the form abˣ

This can be written in the form of f(x) = 3\frac{1}{3} ^x

So it crosses through the point (0, 3).

From the way that the curve passes through the circle, we can see that the it is said to pass through at (0, 3) and approaches y = 0 in quadrant 1

Hence this would put our answer to be y = 3 (one-third) Superscript x

Read more on coordinate planes here

brainly.com/question/27975730?referrer=searchResults

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4 0
2 years ago
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When the coordinates (1, 1), (4, 4), (7, 1), and (4, −2) are joined, which shape is formed? Parallelogram Rectangle Trapezoid Sq
LiRa [457]
The diamond shape is formed when you graph these coordinates.

5 0
3 years ago
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Please help with algebra!!! ill give brainliest
patriot [66]

Answer:

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4 0
3 years ago
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