3 years ago

How is this number expressed in decimal notation?

Mathematics

1 answer:

antiseptic1488 [7]3 years ago

5 0

Answer:

d im pretty sure

Step-by-step explanation:

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Find the product mentally.

jonny [76]

(2j+7)(2j−7)

=(2j+7)(2j+−7)

=(2j)(2j)+(2j)(−7)+(7)(2j)+(7)(−7)

=4j2−14j+14j−49

=4j2−49

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4 years ago

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What's the answer to this question I need help I don't understand it

Eduardwww [97]

<em>Greetings from Brasil...</em>

Making the division

(X⁵ + 2X⁴ - 7X² - 19X + 15) ÷ (X² + 2X + 5)

we get

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3 years ago

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Please answer the questions

siniylev [52]

Answer:

root (7²+8²)=10.63
root (10²-5²)=8.66
root (11²-3²)=10.58
root (18²+15²)=23.43

Step-by-step explanation:

a²+b² = c²

a = side of right triangle

b = side of right triangle

c = hypotenuse

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3 years ago

Suppose y varies directly as x and y = 20 when x = 8. What is the value ofy whenx = 12?

AnnZ [28]

Answer:

y = 30

Step-by-step explanation:

Use the direct variation equation, y = kx

Plug in 20 as y and 8 as x, then solve for k:

y = kx

20 = k(8)

2.5 = k

So, the equation is y = 2.5x

Plug in 12 as x, and solve for y:

y = 2.5x

y = 2.5(12)

y = 30

So, when x = 12, y = 30

7 0

3 years ago

Simone has 5 employees in her flower shop. Each employee works 6 4⁄15 hours per day. How many hours, in total, do the 5 employee

satela [25.4K]

Answer:

94/3 = 31.333

Step-by-step explanation:

The total hours worked = the amount of employees * hours worked

First I converted the mixed fraction 6 $\frac{4}{15}$ into $\frac{94}{15}$

Then I multiplied it by the amount of employees.

$\frac{94}{15}$ * 5 = $\frac{94}{3}$

= 31.33333

4 0

3 years ago