2 years ago

Can someone please help!! I’m giving 15 points away for it!

Mathematics

1 answer:

docker41 [41]2 years ago

7 0

Answer:

Step-by-step explanation:

(22/8+3)+(15/8-3)=5, (55/8+3)+(40/8-3)=13

(22/11)+(15/5)=5, (55/11)+(40/5)=13

2+3=5, 5+8=13

It's basically either guess and check, or you can use system of equations (but that would take way more time)

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Answer:

Step-by-step explanation: see attachment

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3 years ago

Simplify the expression square root of 6 times the square root of 33 plus 7

tekilochka [14]

Answer:

3√(22) + 7

Step-by-step explanation:

The way this is worded can be interpreted two different ways so just to cover the bases, I'll do both. I'm confident they are asking for way 1 though because it wants you to simplify the expression, not evaluate. Way 2 gives you a solution rather than an exact equation.

<u>Number 1</u>

√(6) x √(33) + 7

= √(6 x 33) + 7

= √(198) + 7

= √(9 x 22) + 7

= 3√(22) + 7

<u>Number 2</u>

√(6) x √(33 + 7)

= √(6) x √(40)

= √(6) x (4√(10))

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= 8√(15)

5 0

2 years ago

Find the length of side x in simplest radical form with a rational denominator.

Sauron [17]

Answer:

$\frac{11\sqrt{2}}{2}}$ or 5.5√2

Step-by-step explanation:

We can see that this is a 45-45-90 triangle

refer to the image below to see what that means

we can see that (in the image) 11=x√2

which means that x= 11/√2

to rationalize this fraction we mulitply both sides by √2 to get

$\frac{11\sqrt{2}}{2}}$ or 5.5√2

3 0

3 years ago

Read 2 more answers

When the polynomial x3 − 7x2 + ax + 3 is divided by x − 3, the remainder is –18. Using synthetic division, determine the value o

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Correct answer of a is 5

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3 years ago

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kati45 [8]

Answer:

121

Step-by-step explanation:

3x+4=7x

8x+4=12x

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140°-19

4 0

2 years ago