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4 years ago

How to enter data in a calculator that has a dash?

Mathematics

1 answer:

Hitman42 [59]4 years ago

4 0

Im sure it has some thing do with entering a plain text hyphen

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Suppose you want to know whether the eighth-grade music students at a school spend more time practicing their instruments or pla

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Get a list of all the music students in the eighth grade. Randomly select enough students to get a sample from the population. Ensure that the selection is completely random so the sample is not biased.

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4 years ago

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1. Rewrite the verbal phrase as an algebraic equation. "The sum of a number, x,

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Step-by-step explanation:

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3 years ago

Item 1

Lera25 [3.4K]

2pi x radius = 13.4 (decreased value)

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hence, diameter after roll = 2.13 x 2

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3 years ago

The expression below is the factorization of what trinomial?

GrogVix [38]

Answer:

Choice D is the correct answer

Step-by-step explanation:

Use the foil method and expand

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2 years ago

Every year Sid uses 2 ¾ bottles of washing up liquid. His friend uses 3 ¼ bottles. How much do they use altogether? How much mor

Maru [420]

Answer:

6 bottles , $\frac{1}{2} \ bottles$

Step-by-step explanation:

Given:

Every year Sid uses 2 ¾ bottles of washing up liquid.

His friend uses 3 ¼ bottles.

Question asked:

How much do they use altogether?

How much more washing up liquid does his friend use when compared to him?

Solution:

Sid uses bottles of washing up liquid = $2\frac{3}{4}$

His friend uses bottles of washing up liquid = $3\frac{1}{4}$

They use bottles of washing up liquid $=2\frac{3}{4}+3\frac{1}{4}$

$=\frac{4\times2+3}{4} +\frac{4\times3+1}{4} \\ \\ =\frac{11}{4} +\frac{13}{4} \\ \\ =\frac{11+13}{4} \\ \\ =\frac{24}{4} \\ \\ =6\ bottles$

Thus, they use 6 bottles of washing up liquid together.

Now, to calculate that his friend uses how much more washing up liquid than Sid, we will subtract Sid uses number of bottles from his friend uses number of bottles:-

$=\frac{13}{4} -\frac{11}{4} \\ \\ =\frac{13-11}{4} \\ \\ =\frac{2}{4} \\ \\ =\frac{1}{2} \ bottles\ (half\ bottles)$

Thus, his friend uses half bottles more than Sid.

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4 years ago