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3 years ago

A triangle with a base of 10 and side lengths of 13 is similar to what other kind of triangle

Mathematics

1 answer:

fgiga [73]3 years ago

6 0

Answer:

Step-by-step explanation:

the only correct choice is C

= multiplied each side by 2.5

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at a movie theater adult tickets cost $8.00 and student tickets cost $5.00. If a big family bought 9 tickets and spent $48.00, h

Anastasy [175]

Answer:

8 student tickets and 1 adult ticket

Step-by-step explanation:

5 times 8 is 40

40 plus 8 is 48

which gives you $48.00

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3 years ago

Why are 5 and -5 opposites?

Orlov [11]

Answer:

5 is a posotive number and -5 is a negitave number

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3 years ago

The price of a geometrical box was Rs 400 last year. It has increased by 12% this year. What is the price now?

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Answer:

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Step-by-step explanation:

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3 years ago

Find the value of x which satisfies the following equation.<br> log2(x−1)+log2(x+5)=4

weqwewe [10]

$\quad \huge \quad \quad \boxed{ \tt \:Answer }$

$\qquad \tt \rightarrow \: x = 3$

____________________________________

$\large \tt Solution \: :$

$\qquad \tt \rightarrow \: log_{2}(x - 1) log_{2}(x + 5) = 4$

$\qquad \tt \rightarrow \: log_{2} \{(x - 1)(x + 5) \} = 4$

[ log (x) + log (y) = log (xy) ]

$\qquad \tt \rightarrow \: ( x - 1)(x + 5) = {2}^{4}$

$\qquad \tt \rightarrow \: {x}^{2} + 5x - x - 5 = 16$

$\qquad \tt \rightarrow \: {x}^{2} + 4x - 5 - 16 = 0$

$\qquad \tt \rightarrow \: {x}^{2} + 4x -21 = 0$

$\qquad \tt \rightarrow \: {x}^{2} + 7x - 3x - 21 = 0$

$\qquad \tt \rightarrow \: x(x + 7) - 3(x + 7) = 0$

$\qquad \tt \rightarrow \: (x + 7)(x - 3) = 0$

$\qquad \tt \rightarrow \: x = - 7 \: \: or \: \: x = 3$

The only possible value of x is 3, since we can't operate logarithm with a negative integer in it.

$\qquad \tt \rightarrow \: x = 3$

Answered by : ❝ AǫᴜᴀWɪᴢ ❞

4 0

2 years ago