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3 years ago

Please help me I need help. No links. This is urgent

Mathematics

1 answer:

never [62]3 years ago

8 0

Answer:

I think the volume is everything timesed by each other... soo 15x15x15x9=30375?

Step-by-step explanation:

I am very sorry if I am wrong.

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Triangle DEF has coordinates D(1,1). E(1,5), and F(5.1). Triangle D'EF is the image of ADEF by a dilation with center (0.0) and

Nastasia [14]

Answer:

$2282 \div 2 = < \leqslant 2 \times \frac{?}{?} {?}^{?} \sqrt{226 \tan( \cot(?) ) }$

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3 years ago

Find the perimeter of the quadrilateral whose vertices are as follows: (-1,1), (-2,4), (-4,2),(-3,-1).

Gnesinka [82]

Answer:

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3 years ago

If x= 7 - 4√3 then find the value of (a) (x+1/x) rais to 2 b) x rais 2+1/x rais to 2

ololo11 [35]

The equation x = 7 - 4√3 is a radical expression, and the value of the radical expression is $(x + \frac 1x)^2 = 3650401 -2107560\sqrt 3$

<h3>How to solve the expressions?</h3>

The equation is given as:

x = 7 - 4√3

So, we have:

$(x + \frac 1x)^2 = (7 - 4\sqrt 3 + \frac{1}{7 - 4\sqrt 3})^2$

Take the LCM

$(x + \frac 1x)^2 = (\frac{49 -56\sqrt3 + 48}{7 - 4\sqrt 3})^2$

Evaluate the like terms

$(x + \frac 1x)^2 = (\frac{97 -56\sqrt3 }{7 - 4\sqrt 3})^2$

Rationalize

$(x + \frac 1x)^2 = (\frac{(97 -56\sqrt3)(7 - 4\sqrt 3) }{49 -48})^2$

Evaluate the difference

$(x + \frac 1x)^2 = ((97 -56\sqrt3)(7 - 4\sqrt 3))^2$

Expand

$(x + \frac 1x)^2 = (679 -388\sqrt 3 -392\sqrt 3 + 672)^2$

Evaluate the like terms

$(x + \frac 1x)^2 = (1351 -780\sqrt 3 )^2$

Expand

$(x + \frac 1x)^2 = 1825201 +1825200 -2107560\sqrt 3$

$(x + \frac 1x)^2 = 3650401 -2107560\sqrt 3$

Hence, the value of the radical expression is $(x + \frac 1x)^2 = 3650401 -2107560\sqrt 3$

Read more about radical expressions at:

brainly.com/question/8952483

#SPJ1

4 0

2 years ago

A cereal comes in three different package sizes. 8 ounces for $12 12 ounces for $16 16 ounces for $20 What is the ratio of the c

stellarik [79]

12:20 is the answer i think

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4 years ago

56,095 to the nearest whole number

AnnyKZ [126]

Answer:

56,000

Step-by-step explanation: the neareat whole number is 6000 so you yust take away the 96 and add two zeros

6 0

3 years ago