3 years ago

What is the value of x 4x+57

Mathematics

1 answer:

Semmy [17]3 years ago

4 0

He value of x 4x + 57= 52

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Cameron can work 2 times fast as jose. Jose can finish a job in 2 hours. If they are both working together. How long will it tak

polet [3.4K]

So you take 2*2=4/2=2

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4 years ago

Evaluate, using the tables if necessary.<br><br> sec 180 + sin 270 - tan 180 + cot 270

saul85 [17]

Answer:

-2

Step-by-step explanation:

sec 180 + sin 270 - tan 180 + cot 270

= -1 + (-1) - 0 + 0

= -1 + (-1)

= -2

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3 years ago

Factor 2m^3-12m^2+18m completely

Nina [5.8K]

Answer:

The answer is A.

Step-by-step explanation:

Firstly, you have to take out the common terms for this expression. In this expression, the common terms ard 2 and m :

$2 {m}^{3} - 12 {m}^{2} + 18m$

$= 2( {m}^{3} - 6 {m}^{2} + 9m)$

$= 2m( {m}^{2} - 6m + 9)$

Next you have to factorise the brackets :

${m}^{2} - 6m + 9$

$= {m}^{2} - 3m - 3m + 9$

$= m(m - 3) - 3(m - 3)$

$= (m - 3)(m - 3)$

$= {(m - 3)}^{2}$

So the final answer is :

$2m {(m - 2)}^{2}$

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4 years ago

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another one, pls help me im desperate my grades r pretty good but im so confused on this and its a big percentage of my grade PL

pav-90 [236]

Answer:

70 to 220 i think im confused to

Step-by-step explanation:

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3 years ago

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If someone is making a circular garden wall that has a diameter of 100, what’s the circumstance?

mylen [45]

If the diameter is 100

The radios is 50 so using the formula

C=2π r

the circumferences is:

314.159

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3 years ago