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2 years ago

15

A rectangle a photo with dimension 3 inches wide by 4 inches long is enlarged to a length of 12 inches what is the width of the

enlarged print

1 answer:

Gennadij [26K]2 years ago

8 0

It should be 9 inches wide

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Simplify negative 5 minus the square root of negative 44 negative 5 minus 4 times the square root of 11 i negative 5 minus 4 i t

Anika [276]

Answer:

$-5-\sqrt{-44}=-5-2\sqrt{11}i$

Step-by-step explanation:

We want to simplify:

$-5-\sqrt{-44}$

We rewrite the expression under the radical sign to obtain:

$-5-\sqrt{4\times11\times -1}$

We split the expression under the radical sign to get:

$-5-\sqrt{4} \times \sqrt{11} \times \sqrt{-1}$

Recall that:

$\sqrt{-1}=i$

This implies that:

$-5-\sqrt{4} \times \sqrt{11} \times \sqrt{-1}=-5-2\sqrt{11}i$

Therefore $-5-\sqrt{-44}=-5-2\sqrt{11}i$

6 0

2 years ago

Divide 128 chairs among 3 rooms in the ratio of 1 : 3 : 4.

Alex_Xolod [135]

Answer:

Step-by-step explanation:

1x+3x+4x= 128

8x=128

x=128/8

x=16

therefore,

room 1 = 1x

= 1*16=16

room 2 = 3x

=3*16=48

room 3 = 4x

=4*16=64

PLS MARK BRAINLIEST, THNX

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2 years ago

seven times a number is twelve more than three times the number. write an equation, this is urgent! pls hurry up!

egoroff_w [7]

Answer:

n=3

Step-by-step explanation:

7n=12+3n

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