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3 years ago

PLZZ help me asap!! 70points!!

Mathematics

1 answer:

weqwewe [10]3 years ago

7 0

Answer:

1. Given.

2. Opposite Sides OF A Parallelogram Are Congruent.

3. Corresponding Angles Postulate.

4. Substitution

5. ASA Congruence Postulate

6. Definition Of A Parallelogram.

Step-by-step explanation:

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The maximum weight that a rectangular beam can support varies jointly as its width and the square of its height and inversely as

NISA [10]

$\bf \qquad \qquad \textit{joint compound proportional variation} \\\\ \begin{array}{llll} \textit{\underline{y} varies directly with \underline{x}}\\ \textit{and inversely with \underline{z}} \end{array}\implies y=\cfrac{kx}{z}\impliedby \begin{array}{llll} k=constant\ of\\ \qquad variation \end{array} \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ \stackrel{\textit{W varies jointly as its width, squared heght and inversely with length}}{W=\cfrac{wh^2}{L}}$

$\bf \textit{now we also know that }~~ \begin{cases} w=\frac{1}{4}\\ h=\frac{1}{3}\\ L=12\\ W=30 \end{cases}\implies 30=\cfrac{~~k\frac{1}{4}\left( \frac{1}{3} \right)^2~~}{12} \\\\\\ 360=\cfrac{k}{36}\implies 12960=k~\hfill \boxed{W=\cfrac{12960wh^2}{L}}$

$\bf \textit{when } \begin{cases} w=\frac{1}{4}\\ h=\frac{1}{2}\\ L=12 \end{cases}\textit{ what is \underline{W}?}\qquad W=\cfrac{12960\left( \frac{1}{4} \right)\left(\frac{1}{2} \right)^2}{12} \\\\\\ W=1080\left( \cfrac{1}{4} \right)\left( \cfrac{1}{4} \right)\implies W=1080\cdot \cfrac{1}{16}\implies W=\cfrac{135}{2}\implies W=67\frac{1}{2}$

7 0

4 years ago

Can you figure out what the answer is here?

Andreas93 [3]

Answer:

Step-by-step explanation:

Triangle = 10

circle = 5

square = 4 (half square = 2)

10 + 5 x 2 =20

Hope this helps

7 0

3 years ago

Read 2 more answers

In what time will N400 amount to N512 if the simple interest is calculated at 14% per annum?

patriot [66]

Answer:

64/7 years

9.143 years

Step-by-step explanation:

$Simple Interest = \\ \frac{Principal \times Rate \times Time}{100}$

$Time = \frac{simple \: interest \times 100}{Principal \times Rate}$

$Principal = 400 \\ Rate = 14 \\ Time = \\ simple \: interest = 512$

Input the values

$Time = \frac{512 \times 100}{400 \times 14} \\ Time = \frac{51200}{5600} \\$

$Time = \frac{64}{7} \\ Time = 9.142 \: years \\ best \: answer \: = \frac{64}{7} years$

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3 years ago

Consider the table of the powers of 8. A 1-column table with 6 rows. Column 1 is labeled Power of 8 with entries 8 cubed = 512,

maw [93]

1=b

Step-by-step explanation:

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Dimas [21]

Answer:

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4 years ago