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icang [17]
4 years ago
8

891÷9step by step i want​

Mathematics
1 answer:
Kazeer [188]4 years ago
3 0

Answer:

The purpose of solving this problem is to determine what 9% of 891 is. One common real life problem where a solution like this may be helpful include calculating how much tip to leave at a restaurant. Solving this problem requires two simple math operations that you can perform on any calculator. The first step is a division and the second step is a multiplication. Here's a cool tip though, you can actually reverse the order of these operations and the result will be the same! Here are the steps:

Step 1: Divide 891 by 100

In this case, the number that we are "comparing" to 100 is 891, so we must first normalize the number by dividing it by 100. The operation we have to solve is this:

891

100

=

891

÷

100

=

8.91

Step 2: Multiply 8.91 by 9 to get the solution

Now that we have our normalized number, 8.91, we just have to multiply it by 9 to get our final answer. The forumla for this is obviously quite simple:

8.91

×

9

=

80.19

That's all there is to it! Note that you can replace these values with new ones from any similar problem.

Step-by-step explanation:

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Sedaia [141]

Answer:

A. 1.9

B. 3.5

C. 4.2

D. 4.9

I'M KINDA SURE

Step-by-step explanation:

Those images aren't good enough, I can't really get a good look. Basically, if there are nine little lines between each whole number, then each little line represents a tenth of a whole number, or 0.1. If there are four little lines between each whole number, then each little lines is 0.2. So, you just count up from the whole number below the value. For A, start at 1.0 and count up, each little line is 0.1 (if there are nine lines between each whole number), and figure out where A lies. Hope it helped, wish I could give a definite answer.

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which rule describes the composition of transformations that maps pre- image ABCD to final image A’’B’’C’’D’’ ?
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Diego can type 140 words in 4 minutes. how long will it take him to type 385 words
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Given the equation y=14x2−5, the minimum is ___ and the range is ___
mel-nik [20]

Answer:

The minimum is -5

The range is y \ge -5

f(14) = 2739

Step-by-step explanation:

Given

y = 14x^2 - 5

Solving (a): The minimum

A quadratic function is represented as:

y = ax^2 + bx + c

If a > 0, then the function has a minimum

By comparison

a = 14 --- the function has a minimum

b = 0

c = -5

To calculate the minimum, we first calculate the following is calculated as:

m = -\frac{b}{2a}

So, we have:

m = -\frac{0}{2*14}

m = 0

So, the minimum is at f(m)

We have: y = 14x^2 - 5

f(0) = 14 *0^2 - 5

f(0) = - 5

Solving (b): The range

In (a), we have:

f(0) = - 5 --- the minimum

This implies that the smallest value of y on the graph is -5.

So, the range is:

r = \{y|y\ge -5\}

Solving (c): f(14)

We have:

y = 14x^2 - 5

So:

f(14) = 14 * 14^2 - 5

f(14) = 2739

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Answer:

XY is the correct answer

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