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3 years ago

You can buy 3 items for $6, how much will it cost for 10 items?

Mathematics

2 answers:

kompoz [17]3 years ago

3 0

Answer:

You can buy 3 items for $6, how

much will it cost for 10 items?

60$

Step-by-step explanation:

Natasha_Volkova [10]3 years ago

3 0

Answer:

$60

Step-by-step explanation:

6×10 then u will get your answer

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spin [16.1K]

The ratios 84/105 and 128/160 are proportional

Solution:

Given, two ratios are $\frac{84}{105}$ and $\frac{128}{160}$

We have to give two different reasons to support the answer.

Reason 1:

Now, we know that, numerators and denominators should be proportional to be two fractions in proportion.

$\text { Then, } \frac{84}{128}=0.65625 \text { and } \frac{105}{160}=0.65625$

So numerators and denominators are in proportion, then given two fractions are proportion.

Reason 2:

Now, values of two fractions must be equal:

$\rightarrow \frac{84}{105}=\frac{128}{160} \rightarrow 84 \times 160=105 \times 128 \rightarrow 13440=13440$

So, values of two fractions are equal, then they are in proportion.

Hence, the given two fractions are in proportion.

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3 years ago

F(x)=x+2 g(x)=3x^2-5 Find (f•g)(x).

VLD [36.1K]

Answer:

f ( $x^{2}$ + 5 ) = 3 $x^{2}$ + 13

Step-by-step explanation:

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3 years ago

I really need help with this question please someone help me

Radda [10]

$\mathrm{Inverse\:of}\:\frac{7}{x}-9:\quad \frac{7}{x+9}$

$\mathrm{Inverse\:of}\:\frac{x}{6}+8:\quad 6x-48$

$\mathrm{Inverse\:of}\:5x-11:\quad \frac{x+11}{5}$

$\mathrm{Inverse\:of}\:2+\sqrt[3]{x}:\quad x^3-6x^2+12x-8$

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3 years ago

Italia spent 3/4 of this week's allowance on candy. Of the money she spent on candy, 5/6 was spent on gummy bears. What fraction

jasenka [17]

Let
x-----------> this week's allowance

we know that
(3/4)x-----------> was spent on candy
and
(5/6)[(3/4)x]-------> was spent on gummy bears
(5/6)*(3/4)x=(15/24)x------> (5/8)x

the answer is
5/8

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3 years ago

The mass of a block of stone is 2,000 kg. If the block has a volume of 0.5m

rodikova [14]

Density = Mass / Volume = 2000/0.5
Density = 4000 Kg/m^3

4 0

4 years ago