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3 years ago

Mai has a bookcase with 6 shelves. There are c books on each shelf. Using c, write an expression for the total number of books.

Mathematics

2 answers:

Luda [366]3 years ago

6 0

This is the answer to your question and it is this 6+c+c.

MArishka [77]3 years ago

3 0

The expression would be 6c.

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1 ) The first person will have $17. The second person will have $34 and the third person will $29.

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3 years ago

State whether each percent of change is a percent increase or a percent decrease. Then find the percent of increase or decrease

Otrada [13]

Percent decrease. 41%
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3 years ago

Amy and Ben share £21 between them in the ratio 5 : 2. How much does Amy get?

Alika [10]

Answer:

✑ $\underline{ \underline{ \sf{First ,\: Let's \: learn \: about \: the \: ratio}}} :$

Let us consider , there are 30 boys and 40 girls in a school. So, the ratio of number of boys to number of girls = $\sf{ \frac{30}{40} = \frac{3}{4} = 3:4}$ and read as 3 is to 4. We can say , the ratio compares two of more quantities of same unit. Until two quantities have same units , it is meaningless to compare by ratio. So, to find the ratio of two quantities , it is necessary to express them in same unit or of same kind. Since , they are in division form. So ,ratio is unit less quantity. Thus , the ratio is a comparison of two quantities of the same kind in division which doesn't have any units. For example : $\sf{ \frac{a}{b}}$ is a ratio and is read as ' a is to b ' in which ' a : is antecedent and ' b ' is called consequent.

✎ $\underline{ \underline{ \sf{Now \: let's \: solve : }}}$

☪ $\underline{ \sf{Solution}} :$

£ 21 is to be divided between Amy and Ben in the ratio 5 : 2. So, let Amy get £ 5x and Ben get £ 2x.

Then , According to the question , $\text{5x +2x = 21}$

Solve for x :

⇝ $\sf{7x = 21}$

⇝ $\sf{ \frac{7x}{7} = \frac{21}{7} }$

⇝ $\sf{x = 3}$

The value of x is 3. Now , substitute the value of x in 5x :

Amy received £ 5x = 5 × 3 = £ 15 .

☥ $\boxed{ \boxed{ \tt{Our \: final \: answer \: is \bold{£ \: 15}}}}$

Hope I helped ! ツ

Have a wonderful day / night ♡

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6 0

3 years ago

What is the relationship between translations, reflections, and ridgid motion?

vivado [14]

The relationship between translations, reflections, and rigid motion is that they are all types of rigid motions, which means their size does not change.

<h3>What exactly is rigid motion?</h3>

Rigid motion is the movement of a set in which the distance between points remains constant.

<h3 /><h3>What is translation?</h3>

Translation is a type of rigid motion in which an object simply slides while maintaining its direction.

<h3 /><h3>What do you mean by reflection?</h3>

A reflection, like a mirror, causes an image to flip to another location.

We must establish a connection between translations, reflections, and rigid motion.

We can conclude from the above definitions that the size of the object remains constant, but it is undergoing different transitions.

Therefore, Translations, reflections, and rigid motion all belong to the category of transformations that are rigid motions, which means that their sizes don't change.

Learn more about motion here-

brainly.com/question/22810476

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1 year ago

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OlgaM077 [116]

Answer:

.52

Step-by-step explanation:

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3 years ago