I have no idea what this means

Mathematics

1 answer:

Mnenie [13.5K]3 years ago

6 0

Answer: square root is a number that can be multiplied by itself to get that number in that radical aka checked half box.

Step-by-step explanation: square root of 18 is

Approx: ~4.2

Since that approx multiplied by itself is 19. Search up place values. Numbers after the decimals start from, tenths place, hundredths, thousands place and so on. This one asked for the tenths place. 0.2 the 2 is in the tenths place

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A stone is an English measure of weight. There are 14 lb in 1 stone and 2.2 lb in 1 kg.

AveGali [126]

We should use lb to convert weight to kg

let unknown lb be = X
14 lb = 1 stone
X lb = 9 stone
Cross multiply : X × 1 = 9 × 14
X = 126 / 1 = 126 lb

9 stone = 126 lb
let unknown value of kg be = Y
2.2 lb = 1kg
126 lb = Y kg
Cross multiply : 2.2 × Y = 126 × 1
Y = 126 / 2.2 = 57.3 kg

So 9 stone = 126 lb = 57.3 kg

HOPE IT HELPED !!

3 0

3 years ago

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Evaluate 4a^0 where a = -2

Paul [167]

Answer:

$4a^0 = 4 \times 1 = 4$