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GaryK [48]
3 years ago
5

Solve the follow y = 3x - 4 y = 7x + 12​

Mathematics
1 answer:
antoniya [11.8K]3 years ago
7 0
1+1is2 that mean = you
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Tickets for a concert cost $25 each. You have $180 to spend. Write
Mariulka [41]

Answer:

180 - 25(T)= 30

T=6

180 - 25(6)= 30

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3 years ago
52 is what percent of 156
siniylev [52]
The answer is 33.33…(repeating decimal).
Work:
(52)(100)=5,200
5,200/156=33.33…
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The graph below shows the average daily temperatures on January 1 from 1900 to 1934 for city A.
Mars2501 [29]

Answer:

The awnser is C

Step-by-step explanation:

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Math<br> Can you please explain this geometry problem?
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First you must plot all the points you were given. Then you must find the orthocenter, which is the point where all the altitudes cross.

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4 years ago
A pyramid has a regular hexagonal base with side lengths of 4 and a slant height of 6. Find the total area of the pyramid.
Tanzania [10]

The total area of pyramid is 113.569 square units

The equation to find the total area of the pyramid is Total area = base area + lateral area.

<u>Solution:</u>

Given, A pyramid has a regular hexagonal base with side lengths of 4 and a slant height of 6.

<em><u>The total area of pyramid is given by:</u></em>

A=A_{b}+A_{l}   ---- eqn 1

Where,

A_{b} \text { is the base area and } A_{l} \text { is the lateral area }

<em><u>The area of base is given as:</u></em>

A_{b}=\frac{3 \sqrt{3}}{2} l^{2}

Where "l" is the side of hexagon.

Substituting we get,

\begin{array}{l}{A_{b}=\frac{3 \sqrt{3}}{2}(4)^{2}} \\\\ {=\frac{3 \sqrt{3}}{2} \times 16=3 \sqrt{3} \times 8} \\\\ {A_{b}=24 \sqrt{3}}\end{array}

<em><u>The lateral area is given as:</u></em>

A_{l}=3 b h

Where,

b: base of the triangle

h: height of the triangle

Substituting we get,

\begin{array}{l}{A_{l}=3 \times(4) \times(6)} \\\\ {A_{l}=72}\end{array}

Plugging in the values we found in eqn 1 we get,

A=24 \sqrt{3}+72

A = 113.569 square units

<em><u>Summarizing the results:</u></em>

The total area of pyramid is 113.569 square units approximately

The equation used to find total area of pyramid is Total area = base area + lateral area.

8 0
3 years ago
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