2 years ago

Can anyone help me pls on this worksheet?

Mathematics

1 answer:

Natali [406]2 years ago

5 0

Answer:

c, b, c, a, b, c, c, a, b, a, b, d, c, d, d, b, c, a, d, b. i hope this will be all correct.

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O<br> Decrease 40 by ratio of 4:5

Reika [66]

A decrease in the ratio 4:5 implies that :

New quantity:Old quantity = 4:5

Let the new quantity be $\bf \: x$

$\bf∴ x : 40 = 4:5$

$= > \bf \frac{x}{40} = \frac{4}{5}$

$\bf = > 40 \times \frac{x}{40} = 40 \times \frac{4}{5}$

$\bf = > x = 8 \times 4$

$\bf = > x = 32$

So, the new quantity is 32

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3 years ago

A collector originally purchased an autographed football for $450. After holding onto the football for a

Yuri [45]

Answer:

810

Step-by-step explanation:

450 × 1.80 = 810

The 1 represents how there is no markdown and the .80 is the 80% being marked up.

I think there is a more specific equation for this than the one I showed, but this was my way of solving these questions without giving myself a headache

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3 years ago

Which represents the inverse of the function f(x) = 4x?

Bezzdna [24]

Step-by-step explanation:

h(x) = 1/4 x

tha is the answer

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3 years ago

In four games the basketball team scored 47, 52, 63, and 66 points. What is the mean of these scores? What is the range of these

frutty [35]

Answer:

mean=57

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Step-by-step explanation: there you go

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3 years ago

Answer #5 for me . I'll give brainliest !

stealth61 [152]

Answer:

Step-by-step explanation:

4 1/2

Do 2x4 = 8

Plus the 1 which is now 9/2

simplify and you get 4.5

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3 years ago