MATHEMATICS MIDDLE SCHOOL

I have to substitute 4 to x+10=4x-2

Answers

Answer 1
Answer:

Answer:


Step-by-step explanation:

x+10=4x-2

x = 4 sooo....

4+10 = 4*4 - 2

14 = 14

infinitely many solutions

Answer 2
Answer:

Answer:

14 = 14

or

Infinite solutions

Step-by-step explanation:

First, you substitute x with 4.

So:   4 + 10 = 4 times 4 - 2

         14      = 16 - 2

         14      = 14


14 = 14 or infinite solutions


Hope this helps!    :)

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Answers

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Besides the 90degree angle measure, what are the other two angle measures of a right triangle with side lengths 5, 12, and 13? Round to the nearest degree

Answers

Answer:

The other two angle measures are 23 degrees and 67 degrees

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

In the right triangle ABC

m\angle A+m\angle C=90^o ----> by complementary angles

sin(C)=(AB)/(AC) ----> by SOH (opposite side divided by the hypotenuse)

substitute the given values

sin(C)=(5)/(13)

C=sin^(-1) ((5)/(13))=23^o

Find the measure of angle A

m\angle A+23^o=90^o\nm\angle A=67^o

therefore

The other two angle measures are 23 degrees and 67 degrees

Answer:

b.) 23° and 67°

Step-by-step explanation:

Besides the 90° angle measure, what are the other two angle measures of a right triangle with side lengths 5, 12, and 13? Round to the nearest degree.  

a.) 18° and 39°

b.) 23° and 67°

c.) 43° and 47°

d.) 65° and 25°

Bethany's dog eats 450 grams of food per day. How many kilograms does the dog eat in a week

Answers

To do this you multiply 450*7 = 3,150 grams of food 
Do you want the answer in kilograms? Because one gram equals one kilogram. 450grams•7days(a week) =3150

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Answers

Answer:

12:14

18:21

24:28

30:35

And so on...

Step-by-step explanation:

Just imagine that the ratio is a fraction.

Now find the equivalent fraction.

If this doesn't help, then just multiply the same number to both sides.

Answer: 12:14

Step-by-step explanation:

Multiply both sides by 2

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Answers

Answer:

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Step-by-step explanation:

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Answers

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