3 years ago

3/2•6-3+5/3•3 anyone know this ?

Mathematics

1 answer:

Solnce55 [7]3 years ago

3 0

I believe the answers is 11

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Solve for the value of z. (z+2)° (4z-7)°

telo118 [61]

Answer:

Z=0.8

Step-by-step explanation:

Step-by-step explanation:

Combine the opposite terms

2z+2+4z=7

Add

2z and 4z

6z+2=7

Move all terms not containing z to the right side of the equation.

Subtract 2 from both sides of the equation.

6z=7−2

6z=5

Divide each term:

6z/6 = 5/6

Decimal Form:

z=0.8

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3 years ago

Sally is an architect who creates a blueprint of a rectangular dining room. The area of the actual dining room is 1600 times lar

Levart [38]

Answer:

3 times 1600 = 4800

Step-by-step explanation:

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3 years ago

3 is subtractred from the cube of a number?

Vaselesa [24]

Answer: x^3 - 3

Step-by-step explanation:

x cubed minus 3

x raised to the third power minus 3

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4 years ago

If ab = 8 and a^2+b^2=16, then what is the value of (a+b)^2 This answer is worth 100 point.

sergejj [24]

Answer:

Step-by-step explanation:

$(a+b)^2 = a^2 + 2ab + b^2$

$(a+b)^2 = a^2 + b^2 + 2ab$

$(a+b)^2=16+2(8)$

$(a+b)^2 = 16 + 16 = 32$

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3 years ago

What are the values of x and y?

Vesna [10]

Answer:

B) x = 8 $\sqrt{3}$ ; y = 4 $\sqrt{3}$

Step-by-step explanation:

in a 30-60-90° triangle the sides, respectively, are in the ratio of

1 : $\sqrt{3}$ : 2

we can find 'x' by creating this proportion:

12/ $\sqrt{3}$ = x/2

cross-multiply to get:

$\sqrt{3}$ x = 24

x = 24/ $\sqrt{3}$

we can simplify this by 'rationalizing the denominator' which is to

multiply numerator and denominator by $\sqrt{3}$ to get:

(24 $\sqrt{3}$ )÷3, which is 8 $\sqrt{3}$

we know that side 'y' is half that of side 'x'

therefore y = 4 $\sqrt{3}$

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2 years ago