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3 years ago

Translate into an algebraic expressions: b is decreased by 40% and decreased again by 40% . What is the result ?

Mathematics

1 answer:

Vikki [24]3 years ago

5 0

Answer:

b-4/5b

Step-by-step explanation:

b is decreased by 80%

dat is 80/100×b

= b-80/100b

b-4/5b

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What is the area of the entire shape if the red trapezoid has an area of 1 square inch?

mr Goodwill [35]

It would be 1 square inch. You can't make a trapezoid cause if you tried to it would turn into a square.

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3 years ago

Please help me with this question

san4es73 [151]

Step-by-step explanation:

Given: $f'(x) = x^2e^{2x^3}$ and $f(0) = 0$

We can solve for f(x) by writing

$\displaystyle f(x) = \int f'(x)dx=\int x^2e^{2x^3}dx$

Let $u = 2x^3$

$\:\:\:\:du=6x^2dx$

Then

$\displaystyle f(x) = \int x^2e^{2x^3}dx = \dfrac{1}{6}\int e^u du$

$\displaystyle \:\:\:\:\:\:\:=\frac{1}{6}e^{2x^3} + k$

We know that f(0) = 0 so we can find the value for k:

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Therefore,

$\displaystyle f(x) = \frac{1}{6} \left(e^{2x^3} - 1 \right)$

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3 years ago

12.) You purchased a scooter for $6,800 when it was on sale for 30% off. What was the original price of thescooter?

Rina8888 [55]

SOLUTION:

Case: Percentages

Method:

The sale price after 30% off is $6800

Let the original price be 'x'

30% off means 70% of the original price

$\begin{gathered} \frac{70}{100}\times x=6800 \\ 0.7x=6800 \\ x=\frac{6800}{0.7} \\ x=9714.2857 \end{gathered}$

Final answer: (Nearest cents)

The original price was $9714.29

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1 year ago

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vichka [17]

Answer:

Step-by-step explanation:

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3 years ago

Read 2 more answers

What is (38-63)×6÷Z Z=84

Bumek [7]

(38-63)×6÷Z
=(38-63)×6÷84
=-25×6÷84
=150
=1 66/84
= 1 33/42

7 0

3 years ago