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3 years ago

PLEASE!!!!!!!!!!!!!HURRY!!!!!!!!!!!!!!!!!!!!!!!20 points!!!!!!!!!!!!!!!!!!!!!!1

Mathematics

1 answer:

viktelen [127]3 years ago

7 0

The correct answer is about 47% for boys and about 45% for girls.

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What is the value of minus 6 x cubed minus y squared minus 3 x y if if x = -2 and y = 4

Oksi-84 [34.3K]

Well, "minus 6 x cubed minus y squared minus 3 x y" translates to:

$-6x^{2} -y^{2} -3xy$

Then, if we insert the values for x and y, we get:

$-6(-2)^{2} -(4)^{2} -3(-2)(4)$

When we distribute and multiply:

$144-16-24$

And once we combine like terms:

104<em> is the answer</em>

8 0

3 years ago

Read 2 more answers

Help me please:<br> 3/4 - 7/9 + 2/3 =

mojhsa [17]

Answer:

3/4-7/9+2/3=0.63

Step-by-step explanation:

.........

8 0

3 years ago

Read 2 more answers

Pleeeeeease help me soon

Tresset [83]

Answer:

The first amount is larger by 25% or .25a

Step-by-step explanation:

Lets increase a by 50%

The increase is .5a

So the new value is a + .5a = 1.5a

Now we will decrease the new value by 50%

decrease = .5 (1.5a) = .75a

The new value of a is 1.5a - .75a = .75a

a > .75a

a - .75a = .25a

a is bigger than .75a by .25a

3 0

3 years ago

The length of a rectangular prism is 4√3 units. The height is 3√6 units. If the volume is irrational, which could be the measure

Jet001 [13]

Volume = length * height * width
= 4 qrt3 + 3 sqrt6 * w
= 12 sqrt18 w

let w = 2 sqrt50 then volume = 2*12 * sqrt 18*50 = 24*30 so this is rational

let w = 4 sqt 12 the v = 48 sqrt12 * sqrt 18 = 48 sqrt30 which is irrational

C and D are rational
answer is B

8 0

3 years ago

The median home value in Torrance is currently $750,900. Last Year the median home price in Torrance was 650,700. What is the pe

Solnce55 [7]

Answer:

15.40(approximately).

Step-by-step explanation:

The current price is $750900.

The last year the price was $650700.

Amount increase in the price is $(750900 - 650700) = $100200.

Hence the percentage is $\frac{100200}{650700} times 100$ = 15.40 (approximately).

5 0

3 years ago