3 years ago

8 1/2 x 2 2 3/4 x 2Both answers added

Mathematics

1 answer:

cluponka [151]3 years ago

3 0

For the first one the answer is 17

And for the second one its 5.5

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While mining, Joan found a large metal bar that weighted 40 grams. Joan was able to determine that the bar contained 35% zinc. H

Tpy6a [65]

Answer:

14g zinc

Step-by-step explanation:

To get the mass of zinc in the metal bar, you can multiply the percentage of zinc by the total mass.

40g x .35 = 14g zinc

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3 years ago

What number goes in the box?<br> 2 ^ ( ) = (2^7 ÷ 2^9)^3

navik [9.2K]

Answer:

$x=-6$

Step-by-step explanation:

$(\frac{2^{7}}{2^{9}})^{3} \\(\frac{128}{512})^{3} \\(\frac{1}{4})^{3}\\(\frac{1}{4})*(\frac{1}{4})*(\frac{1}{4})\\\frac{1*1*1}{4*4*4} \\\frac{1^{3} }{4^{3} } \\\frac{1}{64} \\2^{x}=\frac{1}{64}\\log 2^x=log\frac{1}{64}\\x*(log(2))=log\frac{1}{64}\\x=\frac{log\frac{1}{64}}{log(2)} \\x=-6$

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3 years ago

A soccer league has 170 players. Of those players 40% are boys. How many boys are in the soccer league?

Greeley [361]

170×.4=68
170-68=102
102 are boys

5 0

3 years ago

Read 2 more answers

Help me please thankyou

Aloiza [94]

Ask your parents about it if they didn't help you can copy mine,

Well I asked my parents about they told me that around their age there weren't lots of facilities they even rarely saw transportation facilities like cars and bikes there were no proper internet facilities e.t.c

When I said them what were the changes in the last 25 years they said there were drastic changes including social, economic, science, transportation, health e.t.c and many more

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3 years ago

How do I enlarge a shape

Ulleksa [173]

By drawing?

If so, here: first outline the current shape as big as you want it... Then, erase the first shape!

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3 years ago

8 1/2 x 2 2 3/4 x 2Both answers added​

8 1/2 x 2 2 3/4 x 2Both answers added