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Sedaia [141]
3 years ago
7

9 + 7 × ( 15 + 3 )÷3 2= Giving brainliest

Mathematics
1 answer:
xeze [42]3 years ago
3 0

Answer: 207 over 16 or in decimal form 12.9375

Step by step explanation:

Add 15 and 3 to get 18

9+ 7x18 over 32

Multiply the 7 and 18 to get 126

9+ 126 over 32

Reduce the fraction 126 over 32 to get the lowest terms by extracting and cancelling out the 2

9+ 63 over16

Convert 9 into the fraction 144 over 16

144over16 +63over16

Both of the fractions have the same denominator, therefore you should add them by using their numerators.

144+16over16

Add 144 and 63 to get the final number.

207over16

HOPE THIS HELPED YOU OUT, MATE! IF NOT THEN I'M SORRY!

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Help answer asap pls ---------
Reika [66]

Answer:

d = 5

Step-by-step explanation:

We want to know what d would be when x = -1, so we can start off by plugging in -1 for x to get the following equation: \sqrt{8 - (-1)} = 2(-1)+d. On the left hand side, 2 negatives become a positive sign, so the -(-1) becomes a +1, and 8+1 would equal 9. On the right hand side, we just multiply 2 and -1 to get -2. So, the equation now looks like this: \sqrt{9} = d-2. We know that \sqrt{9} = 3, so we would get 3 = d-2. THen we would add 2 to both sides to get d = 5. Hope this helps!

8 0
3 years ago
If you are calculating 15% off a discount you need to
katrin2010 [14]
You will need to subtract if u are taking 15% off
7 0
3 years ago
What is 3x+4y=16 for x
sergiy2304 [10]
3x + 4y = 16           Write original equation     
3x + 4y - 4y = -4y + 16          Subtract 4y from each side
3x = -4y +16                    Simplify
3x/3 = -4y/3 + 16/3      Divide each side by three
x = -4y/3 +16/3             Simplify

I hope this helps!

4 0
3 years ago
How to solve 2x-5+3a-5x+10a for combining like terms
vladimir1956 [14]
2x -5x
3a + 10a
And -5
Combine and you get:

-3x + 13a - 5
7 0
3 years ago
Match each of the trigonometric expressions below with the equivalent non-trigonometric function from the following list. Enter
andreev551 [17]

Answer:

Step-by-step explanation:

In each case, draw the right triangle which produces the inverse trig value. That is, label the two sides as needed, and calculate the third side.

It should be clear that

tan(sin^{-1} x/4) = x/\sqrt{16-x^{2} }

sin(tan^{-1} x/4) = x/\sqrt{16+x^{2} }

sin(2α) = 2 sinα cosα

So,

1/2 sin(2sin^{-1} x/4) = (1/2)(x/4) * x/\sqrt{16-x^2} = x^{2} /(8\sqrt{16-x^2})

See what you can do with the others.

6 0
3 years ago
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