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3 years ago

50 is 90% of what plz help

Mathematics

1 answer:

RUDIKE [14]3 years ago

6 0

So for this question,
we take 50 as 90% first
so to find 100%, 50/90 * 100 =55.6 or = 55 5/9 or = 500/9

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Given p (x) = 5x - 6 what is the value of p ( 2/5)<br><br>Help me please quick! please

cluponka [151]

Answer:

p(2/5)=-4

Step-by-step explanation:

Plug in 2/5 for x

p(2/5)=5(2/5)-6

Combine like terms

p(2/5)=2-6

p(2/5)=-4

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3 years ago

Angles C and D are supplementary, if angle C equals 126, what is angle D

Elis [28]

Answer:

angle D = 54°

Step-by-step explanation:

Supplementary angles sum to 180°

To calculate D, subtract angle C from 180

angle D = 180° - 126° = 54°

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3 years ago

A pet store has 6 tanks of fish. Each tank has c fish. Using c , write an expression for the total number of fish in the store.

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Step-by-step explanation:

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2 years ago

6. A Two-story building measures 21 root

KengaRu [80]

Answer:

1008 in

Step-by-step explanation:

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make sense?

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2 years ago

Read 2 more answers

A box contains 8 two-inch screws. Four have a Phillips head and 4 have a slotted head. In how many ways can 4 screws be chosen s

hammer [34]

Answer:

There are $6\cdot 6=36$ different ways to choose 4 screws such that 2 have a Phillips head and 2 have a slotted head.

Step-by-step explanation:

If 4 screws must be chosen so that 2 have a Phillips head and 2 have a slotted head, then you have to choose 2 screws with a Phillips head from 4 screws with a Phillips head and 2 screws with a slotted head from 4 screws with a slotted head.

You can choose 2 screws with a Phillips head from 4 screws with a Phillips head in

$C^4_2=\dfrac{4!}{2!(4-2)!}=\dfrac{4!}{2!\cdot2!}=\dfrac{1\cdot2\cdot3\cdot4}{1\cdot2\cdot1\cdot2}=6$

different ways.

You can choose 2 screws with a slotted head from 4 screws with a slotted head in

$C^4_2=\dfrac{4!}{2!(4-2)!}=\dfrac{4!}{2!\cdot2!}=\dfrac{1\cdot2\cdot3\cdot4}{1\cdot2\cdot1\cdot2}=6$

different ways.

In total there are $6\cdot 6=36$ different ways to choose 4 screws such that 2 have a Phillips head and 2 have a slotted head.

7 0

2 years ago