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3 years ago

Please, help with this now!

Mathematics

2 answers:

irga5000 [103]3 years ago

4 0

B would be equal to 3/6.
Fractions with the same denominator are able to add together on the numerator.
A is not correct because it is equal to 6/6, which is equivalent to 1. However, we are looking for 3/6, or 1/2 of a 1.
C is not correct either because 3/3 is also equal to 1.
D is also not correct because it is equal to 2. 3/3 = 1
3/3 + 3/3 = 6/3 = 2

77julia77 [94]3 years ago

4 0

The correct answer is B.

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Select the solid whose cross sections are dilations of some two-dimensional shape using a point directly above the shape as a ce

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Answer:

Cone

Step-by-step explanation:

Options:

a) Cone b) Cube c) Cylinder d) Triangular prism

From the given options (a) to (d), option (a) is true.

This is so, because.

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This is as a result of dilating the cylinder by 1/3 whose volume is:

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In other words:

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<em>i.e. the cross-section of the cylinder (V2) being dilated by 1/3 (which is between 0 and 1) gives the cone (V1)</em>

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2 years ago

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$\blue\textsf{\textbf{Question:-}}}}$

Solve 3x+4=28

$\blue\textsf{\textbf{\underline{\underline{Answer and how to solve:-}}}}$

First, subtract 4 on both sides:-

$\tt{3x=28-4}$

$\tt{3x=24}$

Divide by 3 on both sides:-

$\dashrightarrow\bigstar\boxed{\boxed{\bold{x=8}}}\dashleftarrow$

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2 years ago

Read 2 more answers

7. What is most likely the slope of the line graphed?<br> A.-2<br> B. 0<br> C. 2<br> D. Undefined

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Answer:

Undefined

Step-by-step explanation:

If the slope was a horizontal line, then we could say y=2, however, it is only going through the x-axis so it would be x=2, but in terms of y it is undefined.

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2 years ago

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Answer:

a) $a_n=5\,\,(2)^{n-1}$

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c) $c_n=160\,\,(-\frac{1}{2} )^{n-1}$

Step-by-step explanation:

a) Geometric sequence with first term 5 and common ratio 2, where the nth term can be calculated via:

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The first five terms are: $a_1=5;\,\,\,a_2=10;\,\,\,a_3=20; \,\,\,a_4=40;\,\,\,a_5=80$

b) Geometric sequence with first term 100 and common ratio 1/2, where the nth term can be calculated via:

$b_n=100\,\,(\frac{1}{2} )^{n-1}$

The first five terms are: $a_1=100;\,\,\,a_2=50;\,\,\,a_3=25; \,\,\,a_4=12.5;\,\,\,a_5=6.25$

c) Geometric sequence with first term 160 and common ratio -1/2, where the nth term can be calculated via:

$c_n=160\,\,(-\frac{1}{2} )^{n-1}$

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3 years ago

dalvyx [7]

Answer:

38 is the correct solution

3 0

2 years ago