3 years ago

Express 3(45) as a common fraction given a*b= ab/a+b .

Mathematics

1 answer:

NISA [10]3 years ago

8 0

Answer:3 ⋅ ( 4 ⋅ 5 ) = 23 a ⋅ b = a ( b a ) + b = a = 2

Step-by-step explanation:

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What is the reference angle for 7 pi/6?

Mademuasel [1]

Answer:

$\frac{\pi }{6}$

Step-by-step explanation:

$\frac{7\pi }{6}$ is an angle in the third quadrant

To find the reference angle subtract π from it

reference angle = $\frac{7\pi }{6}$ - π = $\frac{\pi }{6}$

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3 years ago

If x= -4, find the value of x²-5+6.

umka2103 [35]

Answer:

x^2_5+6

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=+16-5+6

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=17

Step-by-step explanation:

then the answer is 17

I hope it helps you c:

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3 years ago

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What is the solution to this system?<br> 3x+2y=45<br> 4x+-y=5

hodyreva [135]

(I) $3x + 2y = 45$

(II) $4x - y = 5$

Get $y$ alone in equation (II)

$4x - y = 5\\y = 4x - 5$

Insert new equation (II) in equation (I)

$3x + 2(4x - 5) = 45\\3x + 8x - 10 = 45\\3x + 8x = 45 + 10\\11x = 55\\x = 5$

Insert $x = 5$ in equation (II)

$y = 4 \cdot 5 - 5\\y = 20 - 5\\y = 15$

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3 years ago

Can’t figure out number 3 please help

Deffense [45]

To figure this out, you need to divide 28/8 to get the cost per hinge from Marks hardware

To figure out Steves Supplies cost per hinge you need to divide 38/11

Mark's = 28 / 8 = $3.50

Steve's = 38/11 = 3.45

Steve has the best deal because it cost $3.45 per hinge. The answer is C

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3 years ago

Line segment EG is partitioned by point F in the ratio 1:1. Point E is at E (0, 4), and point F is at (1, 3). What are the coord

loris [4]

Answer:

the answer is (-1,-5) if you draw it you'll understand it better

Step-by-step explanation:

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3 years ago

Express 3*(4*5) as a common fraction given a*b= ab/a+b .

Express 3(45) as a common fraction given a*b= ab/a+b .