MATHEMATICS HIGH SCHOOL

I need to write an equation for:

ten times the sum of half a number and 6 is 8

Answers

Answer 1
Answer: Let's start with the easy part of this equation. We know it will end with = 8 because of the the phrase "is 8". Now let's work backwards, starting with the sum of half a number and 6. In this example, we will represent "a number" with x. To take half a number is to divide it by 2, so half a number would be x/2. The phrasing "the sum of" indicates addition, therefore the sum of half a number and 6 would be represented by x/2+6. Now for the the first part of the equation, ten times. This phrasing indicates multiplication, and so we will multiply 10 by the remainder of the equation, This gives us the answer of 10(x/2+6). Now all you have to do is add the equals sign and answer to make this expression and equation, and you get 10(x/2 + 6) =8

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What value of x makes the equation true?–4.9 = –5.7 + x
a. x = –10.6
b. x = –0.8
c. x = 0.8
d. x = 10.6

Answers

-4.9=-5.7+0.8
-4.9=-4.9
Answer is C

3sin(2x)-1=0 to solve

Answers

Answer is in the attachment below.
3\sin (2x)-1=0 \n \n 3\sin(2x)=1 \qquad /:3 \n \n \sin (2x) = (1)/(3) \n \n 2x=\arcsin (1)/(3) +2\pi k\qquad \hbox{or} \qquad 2x= \pi - \arcsin (1)/(3)+2\pi k \qquad /:2 \n \n x_1=(1)/(2)\arcsin (1)/(3)+\pi k \n \n x_2=(\pi)/(2)-(1)/(2)\arcsin (1)/(3)+\pi k

k is an integer

arcsin (1/3) is approximately 0.34 radians (19.47 degrees)

Hii pls help i’ll give brainliest if you give a correct answer tysm

Answers

Answer:

Equations ; 1, 3 , 5 and 6 are correct

Step-by-step explanation:

From the question, we are told that 2 1/2 feet is 5/8 of the height of the tower to be built

Now, we want to get the equation for the height of the tower

we have this as follows;

since we do not know the height of the tower, we can represent it by ?

a. 5/8 of ? = 2 1/2

b. 2 1/2 divided by ? = 5/8

c. 2 1/2 • 8/5 = ?

d. 2 1/2 divided by 5/8 = ?

Perform the indicated operation.5/4 + 7/9

a.4/9
b. 2 4/9
c. 2 1/36

Answers

5/4 + 7/9 = 5*9/36 + 7*4/36 = 45/36 + 28/36 = 73/36 = 2 1/36
so
the answer is C

Geometry..they all look correct? But there isn't an all the above..so..

Answers

A is the incorrect answer cause all the others continue from the last letter unlike this one it does not so it doesn't continue the triangle

Please help me pleeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaasssssssssssssssssssssss

Answers

Answer:

61

Step-by-step explanation:

See attachment.  The hypotenuse must be the longest line.  Check using the Pythagorean Theorem.
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