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Vladimir [108]
3 years ago
14

Please Help me answer this!!!!!!

Mathematics
1 answer:
xxMikexx [17]3 years ago
4 0

Answer:

yes

yes

no

Step-by-step explanation:

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S_A_V [24]
T= 17

h= -7

x=12

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Step-by-step explanation:

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Please solve! Thx! 6 = 20 - 3x
kumpel [21]

Answer:

5

Step-by-step explanation:

6=20-3x

combine

6-20=-3x

-14 = -3x

divide by -3

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3 years ago
Maria used one bag of flour to bake some bread and muffins. First, she baked two loaves of bread. Then she used the remaining fl
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Step-by-step explanation:

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8 0
3 years ago
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The track and field coach records Ian's 400-meter race times during three practices. How much greater was the percent of change
BigorU [14]

Answer:

d.  1.5%

Step-by-step explanation:

Given - The track and field coach records Ian's 400-meter race times during three practices.

Practice        1          2           3

Time (s)         63       60        58

To find - How much greater was the percent of change from Practice 1 to Practice 2 than from Practice 2 to Practice 3? Round to the nearest tenth.

a. 7.9%

b.  4.8%

c.  3.3%

d.  1.5%

Proof -

% change from Practice 1 to Practice 2 change = \frac{60 - 63}{63}. 100%

                                                                           = -\frac{3}{63}.100% = - 4.761904762 %

⇒% change from Practice 1 to Practice 2 change = - 4.762 %

Now,

% change from Practice 2 to Practice 3 change = \frac{58 - 60}{60}. 100%

                                                                           = -\frac{2}{60}.100% = - 3.334 %

⇒% change from Practice 2 to Practice 3 change = - 3.3334 %

So,

- 4.461904762% - (- 3.3334%) = -4.461904762 + 3.3334 % = -1.4285 % ≈ 1.5%

∴ we get

Value = 1.5%

The correct option is - d.  1.5%

4 0
3 years ago
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