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lana66690 [7]
2 years ago
11

Let u = <-6, 3>, v = <1, 9>. Find u - v.

Mathematics
1 answer:
sveta [45]2 years ago
8 0

\bf \begin{cases} u=\\ v= \end{cases}~\hspace{7em} \begin{array}{llll} u-v\implies - \\\\\\  \\\\\\  \end{array}

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Solve 2(x + 1) = 2x + 5.
BlackZzzverrR [31]

Answer:

No solutions

Step-by-step explanation:

2(x+1)=2x+5

Expand the parentheses:

2x+2=2x+5

Subtract 2x from both sides:

2=5

Since this is not true, this equation has no solutions. Hope this helps!

4 0
3 years ago
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A triangular pyramid has a base with an area of 43 cm squared and lateral faces with bases of 10 cm and heights of 8.6 cm. What
Jet001 [13]

Answer:

The total surface area of triangular pyramid is 172 cm squared

Step-by-step explanation:

Triangular pyramid:

  • Number of faces 4.
  • Number of vertices of a triangular pyramid is 6.
  • The volume  is \frac13 AH. A= area of the pyramid's base and H= height of the pyramid.
  • The surface area of triangular pyramid B+L. B= area of base, L= area of lateral surface.

Given that, the area of the base is 43 cm squared. Lateral faces with bases of 10 cm and heights 8.6 cm.

The 3 sides of the triangular pyramid is triangle in shape.

The area of triangle is \frac12 \times base \times height.

The lateral surface area of the triangular pyramid is

=3(\frac12 \times base \times height)

=3(\frac12\times 10\times8.6) cm squared

=129 cm squared

The total surface area of triangular pyramid is

=Area of the base + lateral surface area

=(43+129) cm squared

=172  cm squared

8 0
3 years ago
Write the ratio as a fraction in lowest terms. 22 to 11 1/2
fiasKO [112]

Answer:

22/1 & 23/2

Step-by-step explanation:

3 0
2 years ago
For the missing value of x below, which of the following will result in a relation that is NOT a function?
solmaris [256]
The one that is not missing value is -3
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Helllppppp <br><br> -2 1/3-(-5)
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Answer:

2.66 :)

Step-by-step explanation:

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2 years ago
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