Simplify the following expressions

Mathematics

1 answer:

boyakko [2]3 years ago

5 0

Answer:

please where is the question

Step-by-step explanation:

please make sure you will add a question to to next time

thanks.

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Solve: (x ÷ 4) + 8 = 38

Rainbow [258]

First you have to rewrite the equation:
(x ÷ 4) + 8 = 38

Second you have to write the division as fraction:
(¼x) + 8 = 38

Third you have to take off the unecessary bracket:

¼x + 8 = 38

Fourth multiply 8 and 38 by 4
x + 32 = 152

Fifth step move the constant to the right hand and change the sign.
x = 152 - 32

Then subtract:

x = 120

Hope this helps :))

5 0

2 years ago

I need help with this pls

antoniya [11.8K]

I'll explain it simply for you

1st question
Of course you know phythagoras theorm
You even wrote it up there
It states that the sum of the square of the two sides of an equilateral triangle is equal to the square of the hypotenuse
${a}^{2} + {b}^{2} = {c}^{2}$
Where C is the hypotenuse
*NOTE* :
HYPOTENUSE is the greatest side in a triangle!!
And that's where your mistake is!
So you should take the greatest side as C
So in Q3. 7, 24 and 26 are the given numbers
You'll make the smaller two numbers a and b and the greatest number C
Using the Formula you'll solve the left side first which is
${a}^{2} + {b}^{2}$
Then the right side which is
${c}^{2}$

And if both are equal then it is a right triangle otherwise it isn't!
Let
a=7
b=24
c=26

a^2 + b^2
7^2 + 24^2
49 + 576 = 625
GREAT, Now the right side

26^2 = 676
Since they aren't equal it isn't a right angled triangle...

Then let
a=7.5
b=10
c=12.5

7.5^2 + 10^2
= 56.25 + 100
= 156.25

12.5^2 = 156.25

They are EQUAL
Therefore it is a right triangle too

Hopefully I helped

7 0

2 years ago

How do you determine the value of isosceles triangles?

amid [387]

There's really no such thing as the value of a triangle.

Every triangle has three sides, three angles, a base, a height, and an area,
and there could be problems that ask us to find any one of those.

Whatever we need to find, the process is always the same:

-- Take the information that's given.

-- Gather up everything you can remember that talks about a relationship
between what you're given and what you need to find.

-- Use them together to find the missing value.

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2 years ago

4/5 + (1/2 - 3/7) x 2

Serjik [45]

33/35 is the answer because you first subtract which gives you 1/14 then you multiply which gives you 1/7 then finally you add which gives you 33/35

7 0

3 years ago

Read 2 more answers

five out of 12 apple trees in a small orchid are taller than 9 ft what is the decimal equivalent of the number of apple trees ta

Anon25 [30]

5/12 = .41666666666666666666

4 0