2 years ago

8 x 10-3 is how many times as great as 4 * 10-67

Mathematics

1 answer:

Lelechka [254]2 years ago

7 0

The answer is 2.28284

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Translate: Four less than twice a number is<br> twelve

Varvara68 [4.7K]

The answer is 8
8*2=16-4=12

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3 years ago

Suppose you deposit $500 in a bank account that pays 8% annual simple

salantis [7]

Answer:

120

Step-by-step explanation:

I=prt . Where: P = Principal Amount; I = Interest Amount; r = Rate of Interest per year in decimal and time t should be in the same time units such as months or years.

I=500(.08)(3)

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3 years ago

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What quadrilateral has at least one pair of parallel sides but isn't a parallelogram

Sedbober [7]

A trapezium has a pair of parallel sides.

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2 years ago

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An equation and the steps to solve it are shown below: 3x-1/5(10x+5)=6

blagie [28]

$3x-\dfrac{1}{5}(10x+5)=6\qquad\text{use distributive property}\\\\3x-\left(\dfrac{1}{5}\right)(10x)-\left(\dfrac{1}{5}\right)(5)=6\\\\3x-2x-1=6\qquad\text{add 1 to both sides}\\\\\boxed{x=7}$

8 0

2 years ago

Give a third degree polynomial that has zeros of 13, 5i, and −5i, and has a value of −680 when x=3. Write the polynomial in stan

Vikki [24]

Answer:

$\dfrac{17x^3-221x^2+425x-5525}{9}\\$

Step-by-step explanation:

hello

we need to find something like, a being real

$a(x-13)(x-5i)(x+5i)$

with a so that

$a(3-13)(3-5i)(3+5i)=-680\\\\a(-10)(3^2-(5i)^2)= -10(9+25)a=-360a=-680\\ a = \dfrac{680}{360}=\dfrac{17*40}{9*40}=\dfrac{17}{9}$

so the third degree polynomial that we are looking for is

$\dfrac{17}{9}(x-13)(x-5i)(x+5i)\\=\dfrac{17}{9}(x-13)(x^2+25)\\\\=\dfrac{17}{9}(x^3+25x-13x^2-13*25)\\\\\\=\dfrac{17}{9}(x^3-13x^2+25x-325)\\\\\\\\=\dfrac{17}{9}x^3-\dfrac{17*13}{9}x^2+\dfrac{17*25}{9}x-\dfrac{17*325}{9}\\=\dfrac{17}{9}x^3-\dfrac{221}{9}x^2+\dfrac{425}{9}x-\dfrac{5525}{9}\\$

hope this helps

3 0

3 years ago