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Andrews [41]
3 years ago
13

Using sets what is the intersection of a=(-2-1,0,1,7) I=(-2,-1,1,2,8)​

Mathematics
1 answer:
polet [3.4K]3 years ago
4 0
The answer is (-2,-1,1)
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Consider the quadratic equation x3 = 48-5. How many solutions does the equation have?
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Answer:

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Step-by-step explanation:

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Another submarine descent can be represented as y= -240 x where y is the elevation and x is time in hours. How long will it take
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Step-by-step explanation:

The equation for the submarine is given as y =-240x

Where y is the distance of the descent

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8 0
3 years ago
PLEASE HELP! WILL GIVE 70 POINTS!!
Tresset [83]

Answer:

A=189\ mm^2

Step-by-step explanation:

<u>Surface Areas </u>

Is the sum of all the lateral areas of a given solid. We need to compute the total surface area of the given prism. It has 5 sides, two of them are equal (top and bottom areas) and the rest are rectangles.

Computing the top and bottom areas. They form a right triangle whose legs are 4.5 mm and 6 mm. The area of both triangles is

\displaystyle A_t=2*\frac{b.h}{2}=b.h=(4.5)(6)=27 mm^2

The front area is a rectangle of dimensions 7.7 mm and 9 mm, thus

A_f=b.h=(7.5)(9)=67.5 \ mm^2

The back left area is another rectangle of 4.5 mm by 9 mm

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Finally, the back right area is a rectangle of 6 mm by 9 mm

A_r=b.h=(6)(9)=54 \ mm^2

Thus, the total surface area of the prism is

A=A_t+A_f+A_l+A_r=27+67.5+40.5+54=189\ mm^2

\boxed{A=189\ mm^2}

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2 years ago
What is the solution of 6x-20= 4x-4
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<h3>6x - 20 = 4x - 4</h3><h3>6x - 4x = 20 - 4</h3><h3>2x = 16</h3><h3>x = 16 : 2</h3><h3>x = 8</h3>

6 0
3 years ago
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