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3 years ago

Is 0.625 a number that repeats or a number that terminates

1 answer:

4 0

It is a number that terminates. As long as the number isn't 0.555... or 0.44444.... on a calculator, it is terminating.

Keep in mind

Terminating = Answer Ends
ex.) 0.875 or 0.75

Repeating = Answer Repeats
ex.) 0.4444... or 1.333...

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Solve: 2x2-x = 21 {-7/2,3} {-3, 7/2}

Sergio039 [100]

Answer:

The answer is (-3,7/2)

Step-by-step explanation:

$2 {x}^{2} - x - 21 = 0 \\ (2x - 7)(x + 3) = 0 \\ 2x - 7 = 0 \: \: \: or \: \: x + 3 = 0 \\ x = \frac{7}{2} \: \: and \: x = - 3$

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3 years ago

How many kilograms of tin will be required to make 250 kg of an alloy, if the alloy must contain 81% copper, 14% tin and 5% lead

uysha [10]

Answer:

Step-by-step explanation:

all are obeying a constant ratio

copper 81
tin 14⇒?
lead 5
total 100 ⇒250
?=250*14/100=35

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2 years ago

Read 2 more answers

Simplify the expression: 2(4 + 6j)

aniked [119]

Answer:

$\boxed{ \bold{ \huge{ \boxed{ \sf{8 + 12j}}}}}$

Step-by-step explanation:

$\sf{2(4 + 6j)}$

Distribute 2 through the parentheses

$\longrightarrow{ \sf{2 \times 4 + 2 \times 6j}}$

$\longrightarrow{ \sf{8 + 12j}}$

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8 0

3 years ago

Rewrite as a logarithmic equation. <br>7^0=1

RUDIKE [14]

Convert the exponential equation to a logarithmic equation using the logarithm base ( 7 ) 7 of the right side ( 1 ) 1 equals the exponent ( 0 ) 0 . log 7 ( 1 ) = 0

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3 years ago

What is j in the equation j divided -2 +7 = -12

WINSTONCH [101]

Answer:

hope it helps uh..........

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2 years ago

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