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joja [24]
3 years ago
12

(2/7x -6) - (1/7 -5)

Mathematics
1 answer:
LekaFEV [45]3 years ago
6 0

Answer:

the answer is 21 I thino

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An artist builds a sculpture out of metal and wood that weighs 14.9 kilograms. 3/4 of this weight is metal and the rest is wood.
Troyanec [42]

Answer:

Given is a sculpture that is built up of metal and wood, and the weight of this sculpture is 14.9 kilograms.

It says that three-fourth of the total weight is metal and says to find the weight of wooden part.

We can find the weight of metal part and then subtract it from the total weight to calculate the answer.

Total weight = 14.9 kilograms.

Metal part = three-fourth of total weight =

Wooden part = 14.9 - 11.175 = 3.725 kilograms.

Hence, the wooden part is 3.725 kilograms.

Step-by-step explanation:

8 0
3 years ago
Gold in the form of solid cylinders will be molded into solid blocks. Each cylinder has a diameter of 6.19 cm and a height of 6
Taya2010 [7]
First, solve for the volume (V) of each cylinder by the equation,
                                     V = πd²h / 4
where d and h are diameter and height, respectively. Substituting the given values,
                                     V = π(6.19 cm)² x (6 cm) / 4 = 180.56 cm³
To determine the number of cylinders needed, divide the volume of the solid block by the volume of the cylinder,
                                       n = 360 cm³ / 180.56 cm³ = 1.99
Thus, approximately 2 cylinders are needed to mold one block of gold. 
5 0
3 years ago
Read 2 more answers
How do I solve this?
marin [14]

Answer:

(x,y) (-3,4)

Step-by-step explanation:

5 0
4 years ago
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daniel works at nearby elections store. He makes of 15% on everything he sells . if he sells a laptop for $293.00 , how much mon
givi [52]

Answer:

$43.95

Step-by-step explanation:

A <em>percent</em> means ¹/₁₀₀ of something.

So, 15 % means ¹⁵/₁₀₀ of something.

15 % of $293.00 means ¹⁵/₁₀₀ × $293.00

Commission = ¹⁵/₁₀₀ × 293.00

Commission = 0.15 × 293.00

Commission = $43.95

Daniel makes $43.95 as commission.

3 0
4 years ago
Solve sin (x)(sin(x)-1) =0
iogann1982 [59]

Answer:

x=n \pi or x=2\pi n+\frac{\pi}{2}

Step-by-step explanation:

The given trigonometric equation is;

\sin x(\sin x-1)=0

By the zero product property;

\sin x=0 or \sin x-1=0

For \sin x=0, the general solution is x=n \pi

\sin x-1=0, \sin x=1, the general solution is x=2\pi n+\frac{\pi}{2}

Therefore the general solution is:

x=n \pi or x=2\pi n+\frac{\pi}{2}

6 0
4 years ago
Read 2 more answers
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