3 years ago

- Another way to multiply decimals is to multiply as you would with

Mathematics

1 answer:

oksano4ka [1.4K]3 years ago

3 0

One for 5.8 and one for 1.2
Hope this helps

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Blake rows his boat against a current 90 yards in 15 minutes. With a current, he rows 90 yards in 9 minutes. What is the rate at

Anna71 [15]

Answer:

90 yards in 15 minutes =6 yds/min

90 yards in 9 minutes =10 yds/min

x = current rate

r = rowing rate

r + x = 10

r - x = 6 Adding both equations

2 r = 16

rowing rate = 8 yds/min

x = 2 yds/min (current rate)

Step-by-step explanation:

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3 years ago

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Levart [38]

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If f x = 7x<br><br> 2 − 4x − 10, then f −3 =?

Schach [20]

Answer:

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Step-by-step explanation:

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3 years ago

Michaela works in a bank she is paid £19200 per annum how much does she get per month

Step2247 [10]

in a year she earns=19200

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3 years ago

Which equation is equivalent to<br><br> f(x) = 16x4 – 81 = 0?

Vesna [10]

Answer:

The equivalent expression is:

$16x^4-81=(4x^2-9)(4x^2+9)$

Step-by-step explanation:

We have been given the equation:

$f(x)=16x^4-81=0$

Equivalent expression can be computed by solving the expression ai its maximum.

We can factorize the given equation:

By using $a^2-b^2=(a+b)(a-b)$

Here, $a=4x^2,b=9$

Hence, we get the equation below:

$16x^4-81=(4x^2-9)(4x^2+9)$

Therefore, the equivalent expression is:

$16x^4-81=(4x^2-9)(4x^2+9)$

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3 years ago

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