3 years ago

Solve each of the following: x/24=7/16 4/9=x/12

Mathematics

2 answers:

GenaCL600 [577]3 years ago

8 0

Answer:

x/24=7/16 -----> Answer: x= 21/2

4/9=x/12 ------> Answer: x= 16/3

Step-by-step explanation:

konstantin123 [22]3 years ago

3 0

I would suggest you to use quickmath it helps a lot.

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Oksana_A [137]

Answer:

r = i + j + (-2/3)(3i - j)

Step-by-step explanation:

Vector Equation of a line - r = a + kb ; where r is the resultant vector of adding vector a and vector b and k is a constant

if a = i + j ; b = t(3i - j) and r = -i +s(j)

for this to be true all the vector components must be equal

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3 years ago

Show that 4x - x? – 7 is always negative. Help

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Question No 7

Answer:

Please check the explanation.

Step-by-step explanation:

Show that 4x - x² - 7 is always negative.

Given

4x - x² - 7

4x - x² - 7 is always negative because:

-x²-7 will alwas be negative for all the values of x,

The value of - x² - 7 will always be less than 4x for all the values of x

Hence, 4x - x² - 7 is always negative

For example,

let suppose we enter x = 1

$4(1)-1^{2} -7\\=4-1-7\\=4-8\\=-4$

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3 years ago

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Step-by-step explanation:

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