84 is 60% of what number?

Mathematics

1 answer:

AURORKA [14]3 years ago

3 0

84 : 60% = 84 : 0.6 = 140.

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Which is bigger, <br> a) 70% of 300 <br> b) ¼ of 600?<br> ∞Δ∞

Artist 52 [7]

Since 300 is 100%, you treat it as such.

300/(100/70) = 210 (rounded)

You do a similar thing for 600

1/4 of 100 is 25
100/25 = 4
600 / 4 = 150

70% of 300 is more.

4 0

3 years ago

I need help with This question please

shepuryov [24]

3173.40 x 3 = 9520.20

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3 years ago

In triangle ABC, cos A =

nikitadnepr [17]

The other expression that has a value of $\frac{7}{25}$ is A) sin B.

Step-by-step explanation:

Step 1:

$sin\theta = \frac{oppositeside}{hypotenuse} ,$ $cos\theta = \frac{adjacentside}{hypotenuse} ,$ $tan \theta = \frac{opposite side}{adjacent side} .$

For angle B, the opposite side measures 7 units, the adjacent side measures 24 units and the hypotenuse measures 25 units.

$sinB= \frac{oppositeside}{hypotenuse} = \frac{7}{25} ,$ $tan B = \frac{opposite side}{adjacent side} = \frac{7}{24} ,$ $cosB = \frac{adjacentside}{hypotenuse} = \frac{24}{25}.$