3 years ago

Which expression is equal to 4/5? 4 divided by 5 5 divided by 4 4 times 5 5 times 4

Mathematics

2 answers:

inysia [295]3 years ago

6 0

The first

Thats how it works

Lelechka [254]3 years ago

5 0

4 divided by 5 the first one

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4a – 16 = a - 15 how do I solve

miv72 [106K]

Answer:

a = $\frac{1}{3}$

Step-by-step explanation:

4a -16 = a - 15

both left and right -a

then

4a - 16 -a = a - 15 -a

then

4a -a -16 = a -a -15

then

3a -16 = -15

both left and right + 16

then

3a -16 + 16 = -15 + 16

then

3a = 1

both left and right ÷3

then

3a ÷ 3 =1 ÷ 3

then

a = $\frac{1}{3}$

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If a polynomial function f(x) has roots 8, 1, and 6i, what must also be a root of f(x)?

ohaa [14]

Answer:

Step-by-step explanation:

complex and irrational roots always occur in pairs.

so -6i is the second root.

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4 years ago

A baker can bake 8 dozen cookies in 20 minutes. At this rate, how many minutes will it take to make 30 dozen cookies?

Viktor [21]

It would take about an hour and 20 minutes to make 30 dozen cookies.

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4 years ago

I need help on this question

statuscvo [17]

Answer:

The answer is D I believe

Step-by-step explanation:

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3 years ago

An unproven statement that is based on observations.

vazorg [7]

Answer:

Hypothesis

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When people make researches, they make a statement and then go further to either price that statement wrong or right.

Once the statement is proven right, either by virtue of field work or laboratory work, it becomes a theory.

That unproven statement that can either be true or wrong, but baseless because it is yet to be proven is called HYPOTHESIS

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