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IrinaK [193]
3 years ago
12

HELP Please don’t answer if you don’t know it.

Mathematics
2 answers:
riadik2000 [5.3K]3 years ago
6 0

Answer: d= 5

Step-by-step explanation:

I did this test on edgunity if you need a step by step I can leave it in the comments below. Good luck

inysia [295]3 years ago
4 0

Answer:

d=5

Step-by-step explanation:

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Write the number 0.000938 in scientific notion.
ss7ja [257]
<span>0.000938 in scientific notion.

First we need to move the decimal to its right and we need a number which is between 1-10. 

0.000938
00.00938
000.0938
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00009.38

We moved the decimal 4 times and to the right so it will be negative. -4.


9.38 </span>× 10^-4

Scientific notation of 0.000938 is 9.38 × 10^-4.

Check:-

9.38 × 10^-4 = <span>0.000938
</span>0.000938 = <span>0.000938
</span>Correct!

<span>Scientific notation of 0.000938 is 9.38 × 10^-4.</span>
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3 years ago
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2. Like

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Solve the following problems using 5-D process part 2
svet-max [94.6K]

The two problems are almost identical: you have to set up a system, and then solve it.

In the first case, let g and b be, respectively, the number of girls and boys.

We know that g=2b+4 (the number of girls in the Spanish Club is four more than twice the number of boys). Also, we know that g+b=61 (there are 61 students in total).

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\begin{cases}g=2b+4\\g+b=61\end{cases}

We can use the first equation to substitute in the second

g+b=61 \iff (2b+4)+b=61 \iff 3b+4=61 \iff 3b=57 \iff b=19

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g=2b+4=2\cdot 19+4=38+4=42

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