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Reptile [31]
3 years ago
11

The scatterplot and trend line show the correlation

Mathematics
2 answers:
jok3333 [9.3K]3 years ago
8 0

Answer:

y = 3x + 55

Step-by-step explanation:

I just took the test

alekssr [168]3 years ago
3 0

Answer:2

Step-by-step explanation:

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A triangle has side measures of 8, 13, 15. Are these the measures of a RIGHT Triangle?
Andreas93 [3]

Answer:

No.

Step-by-step explanation:

Since we know the side lengths of the triangle, we can figure out whether or not this is a Pythagorean triple.

Pythagorean theorem: a^2 + b^2 = c^2

a and b are both smaller than c.

So,

8^2 = 64.

13^2 = 169.

15^2 = 225.

64 + 169 = 233.

233 is not equal to 225.

Therefore, this is not a right triangle.

6 0
3 years ago
What is the intermediate step in the form (x+a)2 = b as a result of completing the square for the following
skelet666 [1.2K]

For this case we have the following expression:

x ^ 2-4x + 10 = 4x + 10

We follow the steps below:

We subtract 4x on both sides of the equation:

x ^ 2-4x + 10-4x = 4x + 10-4x\\x ^ 2-8x + 10 = 10

We subtract 10 from both sides of the equation:

x ^ 2-8x + 10-10 = 10-10\\x ^ 2-8x = 0

Now, we must complete squares.

When we have an equation of the form:

ax ^ 2 + bx + c = 0, if we want to complete squares we must subtract c on both sides of the equation obtaining:

ax ^ 2 + bx + c-c = -c\\ax ^ 2 + bx = -c

The square is completed by adding to both sides of the equation: (\frac{b}{2})^{2}

So, we have left:

ax^2+bx + (\frac {b} {2})^{2} = - c + (\frac {b} {2}) ^ {2}

In the given expression we have:

a = 1\\b = -8\\c = 0

And to complete the square we have:

(\frac {b} {2}) ^ {2} = (\frac {-8} {2}) ^ {2} = 16

Rewriting we have:

x ^ 2-8x + 16 = 16

We factor the left side of the equation, that is, we look for two numbers that when added together result in -8 and when multiplied as a result 16. We have:

-4-4 = -8\\-4 * -4 = 16

So, we have:

(x-4) (x-4) = 16\\(x-4) ^ 2 = 16

Answer:

The intermediate step is to complete squares

(x-4) ^ 2 = 16


7 0
3 years ago
Find the two missing terms of the sequence and determine if the sequence is arithmetic, geometric, or neither.
wolverine [178]
-5, -7
The sequence is arithmetic.
6 0
3 years ago
Hannah has an offer from a credit carf issue foe 0% apr for the first 30 days and 12.22% apr afterwards, compounded daily. What
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6 0
3 years ago
Write a question about a situation that has 24-x for the answer
NARA [144]

Answer:

A bottle holds 24 ounces of water. It has x ounces of water in it.

What does 24 - x represent in this situation?

4 0
3 years ago
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