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Mathematics

1 answer:

Ber [7]2 years ago

3 0

Answer:

9.2 cm and 15% increase

Step-by-step explanation:

1.15*8 = 9.2

percentage increase

new square = 9.2*9.2 =84.64

old area=8*9.2 = 73.6

percentange increase = (84.64-73.6)/73.6 = 15%

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Pleaseee please help! giving brainliest!!! and explainnn

gulaghasi [49]

Answer:

114 Square Meters

Step-by-step explanation:

To find the area of a rectangle you multiply the base by the height.

19 x 6 =114

Therefore the answer is 114 square meters

6 0

3 years ago

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Factorize xsquare-25

MatroZZZ [7]

Answer:

The answer is (x + 5)(x - 5).

Step-by-step explanation:

Assuming that 25 is a perfect square so you can apply :

$(a + b)(a - b) = {a}^{2} - {b}^{2}$

Test :

$(x+5)(x-5) = {x}^{2} - 5x + 5x - 25$

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3 years ago

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Simplify 6log6 15 A. 4.701849846e+11 B. 90 C. 15 D. 6

Rama09 [41]

$\begin{array}{llll} \textit{Logarithm of exponentials} \\\\ \log_a\left( x^b \right)\implies b\cdot \log_a(x) \end{array} \\\\\\ \textit{Logarithm Change of Base Rule} \\\\ \log_a b\implies \cfrac{\log_c b}{\log_c a}\qquad \qquad c= \begin{array}{llll} \textit{common base for }\\ \textit{numerator and}\\ denominator \end{array} \\\\[-0.35em] ~\dotfill$

$6\log_6(15)\implies \log_6(15^6)\implies \stackrel{\textit{change of base rule}}{\cfrac{\log_{10}(15^6)}{\log_{10}(6)}}\qquad \approx \qquad 9.068\qquad \approx\qquad 9$