3 years ago

Find the value of x.

Mathematics

1 answer:

Mamont248 [21]3 years ago

5 0

Honestly no idea... sorry

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12.A taxi service charges you $ 1.50 plus

RoseWind [281]

Answer:

20 miles

Step-by-step explanation:

Add $1.50 plus $0.60 times 20 which is $13.50

The number you multiply to get to $13.50 is the amount of miles

6 0

2 years ago

9. (10x2 + 99x – 5) ÷ (x + 10) =

Goryan [66]

Answer:

4045.10

Step-by-step explanation:

6 0

3 years ago

Please can someone show me how to work this out step by step without a calculator

Artyom0805 [142]

$2\sqrt8\times8\sqrt2=(2\times8)\sqrt{8\times2}=16\sqrt{16}=16\times4=64$

Alternatively, you can write radicals as rational exponents, so that you get

$2\sqrt8\times8\sqrt2=2\tiems8^{1/2}\times8\times2^{1/2}=2^{3/2}8^{3/2}$

Then recalling that $2^3=8$ , you have

$2^{3/2}8^{3/2}=2^{3/2}(2^3)^{3/2}=2^{3/2}2^{9/2}=2^{12/2}=2^6=64$