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Diano4ka-milaya [45]
3 years ago
10

Which expression does not belong with the other three? Explain your reasoning. 8 = x —2 3 = x ÷ 4 x − 6 = 5 x —3 = 9

Mathematics
1 answer:
Scorpion4ik [409]3 years ago
4 0

Answer:

  • 3 = x ÷ 4

Step-by-step explanation:

<u>Given expressions:</u>

  • 8 = x - 2 ⇒ x = 8 + 2= 10
  • 3 = x ÷ 4  ⇒ x = 3*4 = 12
  • x - 6 = 5  ⇒ x = 5 + 6 = 11
  • x - 3 = 9  ⇒ x = 9 + 3 = 12

3 of them involves addition, one of them - multiplication

The second expression doesn't belong

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Can anyone help me with this. please​
zvonat [6]

Answer:

Step-by-step explanation:

using pythagoras theorem

a^2+b^2=c^2

7^2+KL^2=25^2

49+KL^2=625

KL^2=625-49

KL=\sqrt{576

KL=24

take M as reference angle

using tan rule

tan M=/opposite/adjacent

tan M=KL/ML

tan M=24/7

5 0
3 years ago
Which phrase best defines a rhombus?
Whitepunk [10]
B. a parallelogram with four congruent sides

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Which situation is most likely to have a constant rate of change?
Sauron [17]

Answer:

D

Step-by-step explanation:

D because the number of runs is consistent with the number of innings.

8 0
3 years ago
Please solve this equations y=6x²-5,y=17x-6/x​
Amiraneli [1.4K]

Answer:

x=3, y = 49\\x=0.5, y = -3.5\\x=-0.67, y = -2.31

Step-by-step explanation:

y=6x^2-5\\y=17x-\frac{6}{x}

Let's substitute the first equation into the second one.

6x^2-5=17x-\frac{6}{x}

6x^3-17x^2-5x+6=0 - Multiply by x and bring all the terms to one side.

I'll use my graphical calculator to solve this but you could factor:

x=3\\x=0.5\\x=-0.67 (All rounded to 2 decimal places)

Now we can substitute these x values into an equation for y.

y=6x^2 - 5

x=3, y = 49\\x=0.5, y = -3.5\\x=-0.67, y = -2.31

5 0
2 years ago
Ryan works mowing lawns and babysitting. He earns $8.20 an hour for mowing and $7.70 an hour for babysitting. How much will he e
Snezhnost [94]

Answer:

Step-by-step explanation:

Ryan works mowing lawns and babysitting. He earns $8.20 an hour for mowing and $7.70 an hour for babysitting. Therefore, the expression for the total amount that he would earn if he mows lawns for x hours and babysits for y hours would be

8.2x + 7.7y

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= 24.8 + 53.9

= $78.7

4 0
2 years ago
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