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Alecsey [184]
2 years ago
13

by what precent will a fraction increase if its numerator is decreased by 30% and its denomenator is decreased by 50%

Mathematics
1 answer:
natka813 [3]2 years ago
5 0

Answer:

this might be we wrong but 20

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Ill mark brainliest helpp plzzz also its more than one answer!!
balandron [24]

Answer:

a) ( j + m ) / 7

b) The product of <em>j</em> and <em>m </em>increased by 7

Step-by-step explanation:

5 0
3 years ago
A student claims that the rectangular point below can be represented by the
Sladkaya [172]

Since we don't have a figure we'll assume one of them is right and we're just being asked to check if they're the same number.  I like writing polar coordinates with a P in front to remind me.

It's surely false if that's really a 3π/7; I'll guess that's a typo that's really 3π/4.

P(6√2, 7π/4) = ( 6√2 cos 7π/4, 6√2 sin 7π/4 )

P(-6√2, 3π/4) = ( -6√2 cos 3π/4, -6√2 sin 3π/4 )

That's true since when we add pi to an angle it negates both the sine and the cosine,

cos(7π/4) = cos(π + 3π/4) = -cos(3π/4)

sin(7π/4) = sin(π + 3π/4) = -sin(3π/4)

Answer: TRUE

3 0
3 years ago
An experiment involves selecting a numbered chip, some black and some white, from a bag of
Nezavi [6.7K]

Answer:

4/9

Step-by-step explanation:

7 0
3 years ago
Find the missing denominator or numerator of 1/2 = /4
Jet001 [13]
Simply cross-multiply about,

\bf \cfrac{1}{2}=\cfrac{x}{4}\implies 4\cdot 1=2\cdot x\implies 4=2x\implies \cfrac{4}{2}=x\implies 2=x
6 0
3 years ago
Read 2 more answers
19.2 is what percent of 24?
Pie
<span>Answer: 9.2 is 80% of 24.

hope this helps!</span>
7 0
3 years ago
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