3 years ago

HOW DO U USE A MATH PYRAMID WITH NUMBERS

Mathematics

2 answers:

geniusboy [140]3 years ago

5 0

Just multiply and then u have ur desired answer

alekssr [168]3 years ago

4 0

Use this website https://nrich.maths.org/2281

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1 point If seg DF = x+2, seg FB = 2x+1 and DB = 15, find the value of x. Type your answer...

hoa [83]

Answer:

The answer to your question is: x = 16

Step-by-step explanation:

Data

DF = x + 2

FB = 2x + 1

DB = 15

x = ?

Process

FB is the longest and is equal to the sum of BD + DF

Then:

2x + 1 = 15 + x + 2 Simplify like terms

2x - x = 15 + 2 -1

x = 16

DF = 16 + 2 = 18

FB= 2(16) + 1 = 32 + 1 = 33

33 = 18 + 15

33 = 33

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3 years ago

Please answer number 44 please

sergejj [24]

8.85-1.71=7.14

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3 years ago

A candle maker has 4 1/2 pounds of clear wax. He wants to cut the wax into pieces that are 2/3 pound each. How many 2/3 pound pi

maks197457 [2]

$\bf \cfrac{4\frac{1}{2}}{\quad \frac{2}{3}\quad }\implies \cfrac{\frac{4\cdot 2+1}{2}}{\quad \frac{2}{3}\quad }\implies \cfrac{\frac{9}{2}}{\quad \frac{2}{3}\quad }\implies \cfrac{9}{2}\cdot \cfrac{3}{2}\implies \cfrac{27}{4}\implies 6\frac{3}{4}
\\\\\\
\textit{so, 6 whole pieces, and }\frac{3}{4}\textit{ of another one}$

now, what's the leftover? well, 3/4 of the last one, namely 3/4 of 2/3, what is 3/4 of 2/3 anyway? well, is just their product,

$\bf \cfrac{\underline{3}}{4}\cdot \cfrac{2}{\underline{3}}\implies \cfrac{2}{4}\implies \stackrel{lbs}{\cfrac{1}{2}}$

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4 years ago

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A drawer contains a dozen unmatched brown socks and a dozen unmatched black socks. how many socks must someone take out to ensur

krok68 [10]

A) 3 - The third sock will match the first or second if they don't match each other.
B) 14 - It's highly unlikely yet possible to remove all brown socks first, the next two would have to be black.

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3 years ago

Which expression is equivalent to 6^3? 6x3 6x6x6 6x6х6х6 3х3х3х3х3х3

Delvig [45]

Answer:

6x6x6

Step-by-step explanation:

The definition of an exponent is how many times a number is multiplied. For example, 7^5 is 7 multiplied by itself 5 times. (7x7x7x7x7)

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3 years ago