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4 years ago

2x+10=16 help please, i forgot how to work it out

Mathematics

2 answers:

JulsSmile [24]4 years ago

6 0

Answer:

x=3

Step-by-step explanation:

vlada-n [284]4 years ago

3 0

Answer:

x=3

Step-by-step explanation:

2x+10=16

Subtract 10 from each side

2x+10-10 = 16-10

2x =6

Divide by 2

2x/2 =6/2

x=3

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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.

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3 years ago

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dlinn [17]

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3 years ago

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tamaranim1 [39]

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Step-by-step explanation:

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Step-by-step explanation:

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