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Ierofanga [76]
3 years ago
12

Find the rule and complete the

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

Answer:

7

Step-by-step explanation:

12-7=5

or

5+7=12

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Riley makes a mistake in step 2 while doing her homework. What is the mistake?
gtnhenbr [62]

We have been given work of Riley. By looking at his work carefully, we have to identify the error. So let's start from beginning.

\frac{x}{x^2-5x+6}+ \frac{3}{x+3}

First line is just the question so there will be no error.

After that we try to factor denominators

STEP1: \frac{x}{(x-2)(x-3)}+ \frac{3}{x+3}

Factors are correct so no error in step1.

In step2, we have to find the common denominator which will be (x-2)(x-3)(x+3)

so that means she needs to multiply and divide 2nd term by (x-2)(x-3) while she multiplied by only (x-2). Which means she used wrong common denominator.

<u>Hence final answer will be "B. She used the wrong common denominator."</u>

8 0
3 years ago
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*PLEASE ANSWER TY* What is the volume of this prism?
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Answer:

80 cube units

Step-by-step explanation:

6 0
3 years ago
 What is the distance from P(2, –5) to the line y = –8? <br>a. –6 <br>b. 3 <br>c. 5<br> d. 10
hjlf
Plotting that point puts us at a y value of -5 (the y coordinate of the point P). y=-8 is a straight horizontal line through y=-8, so the distance from -5 to -8 is 3.  Remember that distance is never negative.  Distance is measured using the absolute value of the numbers. So b is your choice.
7 0
3 years ago
Are these ratios equivalent?
Debora [2.8K]
<h3>Answer:  Yes</h3>

========================================================

Explanation

The ratio 8:10 simplifies to 4:5 when you divide both parts by 2.

The ratio 16:20 simplifies to 4:5 when you divide both parts by 4

Therefore the two ratios 8:10 and 16:20 are both equal 4:5, so they are equal to one another.

------------

Put another way,

(8 large)/(10 small) = (16 large)/(20 small)

8/10 = 16/20

8*20 = 10*16 ... cross multiply

160 = 160

We get a true equation, so the first equation is true as well.

This shows the ratios are equivalent.

-------------

Or you could have...

(8 large)/(16 large) = (10 small)/(20 small)

8/16 = 10/20

8*20 = 16*10

160 = 160

We get the same conclusion as before.

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3 years ago
Plz help and yes i am lazy but helpppp
sergiy2304 [10]
Girl get on Photomath
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3 years ago
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