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3 years ago

3(x-y+5) ??????????!?????

Mathematics

1 answer:

MrRissso [65]3 years ago

7 0

Hi there!

$#3(x - y + 5)

Distribute 

=(3)(x) + (3)(-y) + (3)(5)

= 3x - 3y + 15 

I hope my answer helps!$

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Harry, regan and kelan share £450 in the ratio 2 : 5 : 3 . how much money does kelan get?

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Answer:

Kelan gets 135 Euros.

Step-by-step explanation:

First of all you add up the ratio getting 10, with 10 you divide it from 450 getting 45. Then you multiply 3 (Kelan's Part) by 45 getting your answer. Tell me if this helped, i'd appreciate knowing.

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4 years ago

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3 years ago

Find the indicated sum.

OlgaM077 [116]

Answer:

B. 70

Step-by-step explanation:

We have the sum given by $\sum_{i=1}^{5}(i+11)).$

Now, we open the summation by substituting the values of 'i',

i.e. $\sum_{i=1}^{5}(i+11)).$ = (1+11) + (2+11) + (3+11) +(4+11) +(5+11)

i.e. $\sum_{i=1}^{5}(i+11)).$ = 12 + 13 + 14 + 15 + 16

i.e. $\sum_{i=1}^{5}(i+11)).$ = 70.

Hence, the sum of $\sum_{i=1}^{5}(i+11)).$ is 70.

So, option B is correct.

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4 years ago

for p(x)= 192 + 21x^3 + 54x^2 - 3x^4 - 264x, use synthetic substitution to evaluate p(1), p(-2), and p(8)

RSB [31]

The value of p(1), p(-2), and p(8) is 0, 744 and 0 respectively

<h3>What is polynomial function?</h3>

Given the function $p(x)= 192 + 21x^3 + 54x^2 - 3x^4 - 264x$

We are to get the following parameters:

$p(1)= 192 + 21(1)^3 + 54(1)^2 - 3(1)^4 - 264(1)\\p(1)=192+21+54-3-264\\p(1)=0$

For p(-2)

$p(-2)= 192 + 21(-2)^3 + 54(-2)^2 - 3(-2)^4 - 264(-2)\\p(-2)=192-168+216-24+528\\p(-2)=744$

For p(8)

$p(8)=192 + 21(8)^3 + 54(8)^2 - 3(8)^4 - 264(8)\\p(8)=192+10,752+3,456-12,288-2,112\\p(-2)=0$

Hence the value of p(1), p(-2), and p(8) is 0, 744 and 0 respectively

Learn more on polynomials here: brainly.com/question/4142886

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3 years ago

A container holds 2 gallons of lemonade. How much is this in pints?

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