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vladimir2022 [97]
3 years ago
11

What is the answer to 978 -(6x8) + 99 =

Mathematics
2 answers:
Doss [256]3 years ago
7 0
Use the order of operations PEMDAS parentheses, exponents, multiplying and dividing left to right, and lastly, adding and subtracting left to right. First, parentheses. 6x8 = 48.  So now we have 978 - 48 + 99.  Its all adding and subtracting, so we can do it simple... 978 - 48 = 930.  930 + 99 is 1029. That's the answer.

1029

Hope this helped!
Reil [10]3 years ago
5 0
978-(6*8)+99=
978-48+99=1029


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2 1/4 x 3 2/5<br> show all your work
monitta

Answer:

153/20

Step-by-step explanation:

I assume you're asking

2 \frac{1}{4}  \times 3 \frac{2}{5}

So

\frac{9}{4}  \times  \frac{17}{5}

=

\frac{153}{20}

5 0
2 years ago
Given that f(x) = 2x + 1 and g(x) = the quantity of 3x minus 1, divided by 2, solve for g(f(3)). 5 7 9 10
AlladinOne [14]

The correct answer is 10.

In order to evaluate any composite function, you need to first put the value in for the inside function. In this case f(x) is on the inside along with the number 3. So, we input 3 in for x in f(x).

f(x) = 2x + 1

f(3) = 2(3) + 1

f(3) = 6 + 1

f(3) = 7

Now that we have the value of f(3), we can stick the answer in for the outside function, which is g(x).

g(x) = (3x - 1)/2

g(7) = (3(7) - 1)/ 2

g(7) = (21 - 1)/2

g(7) = 20/2

g(f(3)) = 10

5 0
3 years ago
What is T in -5t-2(5t+10)=100​
Alina [70]

Answer:

t=-8

Step-by-step explanation:

-5t-2(5t+10t)=100

-2 x 5t=-10t

-2 x 10 = -20

-5t-10t-20=100

combine terms and add 20

-15t=120

divide by -15

t=-8

7 0
3 years ago
Need help, show work on a piece of paper<br>on problem 8
docker41 [41]
<h3>Given</h3>
  • ∠AOB = ∠COD = x² -2
  • ∠BOC = 2x -10
  • ∠AOD = ∠AOB + ∠BOC + ∠COD = 16x +2
<h3>Find</h3>
  • x
  • the measures of the angles
<h3>Solution</h3>

Substituting the given values of the angles into the given relaion, we get ...

... (x² -2) + (2x -10) + (x² -2) = 16x +2

... 2x^2 -14x -16 = 0 . . . . . subtract the right side (16x+2)

... 2(x +1)(x -8) = 0 . . . . . . .factor

Values of x that satisfy this equation are ...

... x = -1, x = 8

The value x = -1 does not give rise to positive angle values.

For x = 8, the angles are ...

... ∠AOB = ∠COD = 8²-2 = 62

... ∠BOC = 2·8 -10 = 6

... ∠AOD = 16·8 +2 = 130 . . . . = 62 +6 +62

The answer to the question not asked is ...

... x = 8; ∠AOB = ∠COD = 62; ∠BOC = 6; ∠AOD = 130

6 0
3 years ago
What is the answer to this algebra/geometry question?
Keith_Richards [23]
I think it's 4a+2, what are the different options?

If that's not it then try 4a squared + 2
5 0
3 years ago
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