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Brrunno [24]
3 years ago
7

For which real numbers x and y is it true that x + y = x+y?

Mathematics
1 answer:
Alchen [17]3 years ago
6 0
By the general application of cumulative property of addition :

x + y = y + x

For sure
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What is 40(33-11)2^2
Inga [223]

Answer:

3520

Step-by-step explanation:

33-11=22

40 times 22=880

880 times 4=3520

3 0
3 years ago
What is the remainder of <br> (x3 – 6x – 9x + 3) ÷ (x - 3)
daser333 [38]
<span> remainder is f(3) </span>
<span>3^3 - 6*3^2 - 9*3 + 3 </span>
<span>= 27 - 54 - 27 + 3 </span>
<span>= -51</span>
6 0
3 years ago
Read 2 more answers
What is the product?
FinnZ [79.3K]
Hey there!

In order to solve this problem, you'll look at (x⁴)(3x³ – 2) first. You need to multiply 4x by both numbers in the binomial to get the distributed version that you'll use later on. 

(x⁴)(3x³) = 3x⁷
(x⁴)(–2) = –2x⁴

Now, your problem is (3x⁷ – 2x⁴)(4x² <span>+ 5x). You will complete the distributing by multiplying the first term of the first binomial by both terms of the second binomial, then repeating this with the second term. You'll then want to add or subtract any repeated terms to combine them, if applicable. Remember that to multiply exponents together, all you need to do is add the numbers. x is the same as x</span>¹.<span>

</span>(3x⁷)(4x²) = 12x⁹
(3x⁷)(5x) = 15x⁸
(–2x⁴)(4x²) = –8x⁶
(–2x⁴)(5x) = –10x⁵

So, your final expanded product will be (12x⁹ + 15x⁸ – 8x⁶ – 10x⁵). Your answer should be letter A. Hope this helped you out! :-)
7 0
3 years ago
A well respected wild life researcher recently conducted a
Marina CMI [18]

Answer:

Claim : men weigh of wild jackalopes is 69.9

The null hypothesis : H0 : μ = 69.9

Alternative hypothesis : H1 : μ ≠ 69.9

Test statistic = −2.447085

P value = 0.0174

Conclusion :

Fail to Reject the Null hypothesis

Step-by-step explanation:

From the question given :

The claim is that : mean weight of wild jackalopes is still the same as 10 years with a mean weight of 69.9 lbs.

The null hypothesis : H0 : μ = 69.9

Alternative hypothesis : H1 : μ ≠ 69.9

Using calculator :

Sample mean (x) = 66

Sample standard deviation (s) = 12.345

The test statistic t :

(x - μ) / (s/√n)

n = sample size = 60

(66 - 69.9) / (12.345 / √60)

t = −2.447085

P value at α 0.01, df = 59 is 0.0174

Since the p value is > 0.01, the result is not significant at 0.01. Therefore, we fail to reject the Null

7 0
3 years ago
Decide which of the two points lies on the graph of the line<br> X= -3 <br> A. 2,-3 <br> B. -3,2
rusak2 [61]
Umm, since x is -3 (given), your answer should be B, since B is the only one with -3 as an x

hope this helps
7 0
3 years ago
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