4 years ago

Math help please and Thank you.

1 answer:

4 0

If you mean this one then:
Yes it is a perfect square, since you get a whole number as the original points
And the answer is C

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Hunter-Best [27]

7 x - 5 = 8
7 x = 8 + 5
7 x = 13
x = 13/7

7 ( 13/7) - 5 = 8
91/7 - 35/7 = 56/7
56/7 = 56/7 = 8

5 0

3 years ago

Crazy boy [7]

if you have base ten blocks you can figure out the answer

6 0

3 years ago

saveliy_v [14]

<h3>Option C</h3><h3>The average rate of the reaction over the entire course of the reaction is: $2.0 \times 10^{-3}$ </h3>

<em><u>Solution:</u></em>

Average rate is the ratio of concentration change to the time taken for the change

$Average\ rate = \frac{ \triangle c }{\triangle t }$

The concentration of the reactants changes 1.8 M to 0.6 M

here, the time interval given is 0 to 580 sec

Therefore,

$Average\ rate = \frac{1.8-0.6}{580} \\\\Average\ rate = \frac{1.2}{580} \\\\Average\ rate \approx 2.0 \times 10^{-3}$

Thus option C is correct

5 0

3 years ago

Ulleksa [173]

Answer:

1. y=3x+0

2. y=-2x+1

3. y= -2/3x-4

4. y=0x+4

8 0

3 years ago

ikadub [295]

27.1.

Using PEMDAS, and plugging in the operations, your answer would be 27.1

6 0

3 years ago