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Firdavs [7]
2 years ago
6

Help asap time limit ​

Mathematics
2 answers:
Tems11 [23]2 years ago
4 0

Answer:

B B B B B B B B B B B B B BB  B B B  B  B B B B B B B B  B

Step-by-step explanation:

Dmitrij [34]2 years ago
4 0

Answer:

Step-by-step explanation:

A) 6.5% of 680 = $44.2

B) the final cost will be $44.2+$680

=724.2$

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Communicative property
dezoksy [38]

The commutative property is a math rule that says that the order in which w multiply numbers does not change the product  

8*2=16 or 2*8=16

So,2*8=8*2


7 0
2 years ago
How to solve …….::::::::::
ValentinkaMS [17]
Simplify and evaluate

9) 6x^2 - 27 + 4x^3

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6 0
2 years ago
Solve quadratic equation 10x^2+x-2=0
zhuklara [117]

Answer:

\{-\frac{1}{2} \} \cup \{\frac{2}{5}\}

Step-by-step explanation:

10x^2 + x - 2 = 0; \\ a = 10, b = 1, c = -2; \\ D = b^2 - 4ac = 1^2 - 4 * 10 * (-2) = 1 + 80 = 81 = 9^2, > 0; \\ x_{1, 2} = \frac{-b \pm \sqrt{D}}{2a} = \frac{-1 \pm \sqrt{9^2}}{2 * 10} = \frac{-1 \pm 9}{20} = \left \ [ {{\frac{-1 - 9}{20} = -\frac{10}{20} = -\frac{1}{2}  } \atop {\frac{-1 + 9}{20} = \frac{8}{20} = \frac{2}{5}}} \right.

8 0
2 years ago
I finished this, but can you please check whether I am right, thank you! (I submitted screenshots, and the marked answers are th
Katena32 [7]

Answer:

looks good!

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
3x(-2x)8(-2)=30 what value of x makes the equation true.<br><br> A. 24<br> B.26<br> C.5<br> D.6
Leokris [45]

Answer:

Step-by-step explanation:

5 0
3 years ago
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