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katovenus [111]
3 years ago
15

I need help with this problem please help me

Mathematics
1 answer:
tatiyna3 years ago
6 0

One square root of two plus nine square roots of two equals ten square roots of two.

\sqrt 2 + 9 \sqrt 2

= 1 \sqrt 2 + 9 \sqrt 2

=(1 + 9)\sqrt 2

=10 \sqrt 2

Answer: 10√2

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Three dogs for each cat <br><br><br><br>a) d=3c<br>b) 3d=c<br>c) d= 3/c <br>d) c=3/d
ivanzaharov [21]
The answer is would have to be b.
7 0
3 years ago
Rob is saving to buy a new MP3 player for every $16 he earns babysitting he saved $5 on Saturday rob earned $80 babysitting how
12345 [234]

Answer:

He saved $25.

Step-by-step explanation:

  • If Rob saves $5 for every $16 he earns, he is saving the folowing franction of his income: \frac{5}{16} =0,3125=31,25\%.
  • Then if his income equals $16, he will save \$16\times{0,3125}=\$5.
  • If his income is $80, he will save \$80\times{0,3125}=\$25
  • Another way to understand this problem would be to think that \$80=5\times{\$16}. Then, receiving $80 is the same as receiving 5 times $16. If he saves $5 for every $16 he receives, he would save 5 times $5 = $25.
5 0
4 years ago
Please help! How much is 840 miles in 3 &amp; 1/2 hours?
Ilia_Sergeevich [38]

I'm assuming your teacher wants you to calculate the speed

1/2 = 0.5

3 & 1/2 = 3 + 1/2 = 3 + 0.5 = 3.5

If a plane flies 840 miles in 3.5 hours, then,

speed = distance/time

speed = (840 mi)/(3.5 hr)

speed = (840/3.5) mph

speed = 240 mph

<h3>Answer: 240 mph</h3>
7 0
3 years ago
What is the value of $12000 of principal earning 4.8% compounded annually for seven years?
ivanzaharov [21]
Okay. The formula for compound interest is P(1 + r)^t, with P = principal, r = percentage rate, and t = time in years. 4.8% is 0.048 in decimal form. We add 1 to that number to get 1.048. Because the amount of time compounded is 7 years, we raise 1.048 to the 7th power. 1.048^7 is 1.388445952. Do not delete this number from your calculator. Now, multiply that number by 12,000 to get 16,661.35142 or 16,661.35 when rounded to the nearest hundredth. There. The value after seven years is $16,661.35.
4 0
4 years ago
Its awpicture please help if you can
ASHA 777 [7]
Someone help me... please
4 0
3 years ago
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