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zubka84 [21]
3 years ago
7

Six more than seven times a number is thirty-four. Give equation and find number (variable).

Mathematics
2 answers:
alukav5142 [94]3 years ago
5 0
The answer is 28/7=4
vazorg [7]3 years ago
4 0

Answer: 4

Step-by-step explanation:

7n + 6 = 34

6 - 6 = 0

34 - 6 = 28

7n = 28

7/7

28/7 = 4

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The ABC Toy Company is creating two similar pieces for a board game, as shown below. How could the toy maker confirm that the pi
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The company can confirm that the pieces are similar by verifying that the relationship between the sides of the parts in the drawing created with MS Visio, of the diagram in a similar question found online, are;

\dfrac{\overline {RS}}{\overline {XZ}} = \dfrac{\overline {RT}}{\overline {XY}} = \dfrac{\overline {ST}}{\overline {ZY}}

Step-by-step explanation:

The definition of similarity is the quality of two or more objects having a common definitive property

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The ABC toy maker could confirm that the pieces are similar by verifying that the corresponding sides of the two shapes have a common ratio

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Do parallel rays have to be coplanar?
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4 years ago
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4 0
3 years ago
Four brothers have ages which are consecutive even integers. If the product of the ages of the two middle brothers is 528, how o
exis [7]

Answer:

The oldest brother is of age 26 years.

Step-by-step explanation:

As the age of four brothers are consecutive even integers.

We assume that the ages are x,(x+2),(x+4),(x+6) as their respective ages.

And the age of the youngest brother x yrs.

Age of the oldest brother (x+6) yrs.

According to the question

Product of two middle brother that is (x+2)(x+4) =528

So we will arrange this in our equation and solve the quadratic.

(x+2)(x+4) =528

x^{2}+4(x)+2(x)+8 =528

x^{2}+4(x)+2(x)+8-528=0

x^{2}+6(x)-520=0

Solving the quadratic by using middle term splitting or directly with quadratic formula we can find the value of 'x' .

Here it is solved with quadratic formula:

Comparing with standard equation ax^{2}+b(x)+c=0,here a=1,b=6\ and\ c=-520.

x= \frac{-b \pm \sqrt{b^2-4ac} }{2a} = \frac{-6 \pm \sqrt{6^2-4\times \ (-520)} }{2\times 1}

x=20,-26

We will work with the positive value of (x) so the the age of the youngest brother =(x)=20 yrs.

And the age of the the oldest brother =(x+6)=(20+6)=26 years.

The age difference is of (26-20)=6 years.

4 0
4 years ago
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