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elena-14-01-66 [18.8K]
2 years ago
11

"8% of a number is 20."

Mathematics
1 answer:
andreyandreev [35.5K]2 years ago
5 0

Answer: 250

Step-by-step explanation:

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Sergio is creating a college fund for his son Diego, who is now 4 years old. Sergio put $1600 in a CD that will earn 8.25% simpl
Vesnalui [34]

well, Diego is 4 now, so by his 18th birthday that'll be 14 years later.

~~~~~~ \textit{Simple Interest Earned Amount} \\\\ A=P(1+rt)\qquad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{original amount deposited}\dotfill & \$1600\\ r=rate\to 8.25\%\to \frac{8.25}{100}\dotfill &0.0825\\ t=years\dotfill &14 \end{cases} \\\\\\ A=1600[1+(0.0825)(14)]\implies A=1600(2.155)\implies A=3448

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2 years ago
Find the equation that is perpendicular to 7y= -3x passing through (9,1).
Lera25 [3.4K]

Answer:y=7/3x−20. that is the equation that is perpendicular.

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3 years ago
5) A student is given a metal sphere about the size of a softball and asked to identify what type of
Evgen [1.6K]

Answer :

Answer: Radius of a solid aluminium sphere is 3.67 cm.

Step-by-step explanation:

4/3 · 2.57³ π · 7,860 = 4/3 · r³ π · 2,700  / : 4/3 π

2.57³ · 7860 = r³ · 2,700

r³ = 2.57³ · ( 7,860 : 2.700 ) = 2.57³ · 2.911111...    /∛

r ≈ 2.57 · 1.428 = 3.67 cm

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2 years ago
Mariah went to the store to buy a coat. The coat originally cost $120.00. Mariah used a coupon
Reika [66]
She is saving $24!
explanation: multiply .2 (20%) by 120.
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2 years ago
Read 2 more answers
Consider f(x) = 4x^3 – 5, g(x) = 2x + 5 and h(x) =2x^2+2x. Which statement about (f + g – h) is true?
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\large{\mathcal{ANSWER:}}

b) It is a cubic function of 4 terms.

  • In this case p(3) = t + 2 is synonymous for p = 3 + 2. Remember p is synonymous for y. So in this equation it is p = 5.

\underline{\boxed{\purple{\tt{©⚘MissyRiel}}}}

Hope this helps!

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2 years ago
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