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3 years ago

6

COMBINE LIKE TERMS!!! 2+ 14rt - 5(r+rt) + 6r - 3 ITS 38 PTS!!!!

2 answers:

yanalaym [24]3 years ago

8 0

-1 + 9rt + r hae a good day

stiks02 [169]3 years ago

4 0

Arrange 2+ 14rt - 5(r+rt) + 6r - 3 in columns:

2+ 14rt => 2 + 14 rt

- 5(r+rt) => - 5rt -5r

+ 6r - 3 => -3 +6r

Now combine like terms: -1 + 9rt + r (answer)

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Let Q(x, y) be the predicate "If x < y then x2 < y2," with domain for both x and y being R, the set of all real numbers.

Levart [38]

Answer:

a) Q(-2,1) is false

b) Q(-5,2) is false

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d)Q(9,10) is true

Step-by-step explanation:

Given data is $Q(x,y)$ is predicate that $x$ then $x^{2}$ . where $x,y$ are rational numbers.

a)

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$(-2)^{2}$

$4$ this is wrong. since $4>1$

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b)

Assume $Q(x,y)=Q(-5,2)$ .

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Here $-5$ that is $x$ this condition is satisfied.

Then

$(-5)^{2}$

$25$ this is not true. since $25>4$ .

This is similar to the truth value of part (a).

Since in both $x$ satisfied and $x^{2} >y^{2}$ for both the points.

c)

if $Q(x,y)=Q(3,8)$ that is $x=3$ and $y=8$

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Then $3^{2}$

$9$ This also satisfies the condition $x^{2}$ .

Hence $Q(3,8)$ exists and it is true.

d)

Assume $Q(x,y)=Q(9,10)$

Here $9$ satisfies the condition $x$

Then $9^{2}$

$81$ satisfies the condition $x^{2}$ .

Thus, $Q(9,10)$ point exists and it is true. This satisfies the same values as in part (c)

6 0

2 years ago

Can someone help me with this?

Damm [24]

Answer:

<h2>780</h2>

Step-by-step explanation:

What is the sum of the series 5^n from n=1 to 4.

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3 0

3 years ago