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maxonik [38]
3 years ago
13

On Tuesday at lunch time , it was 29°C .by sunset , the temperature had dropped to 16°C ​

Mathematics
1 answer:
Naddik [55]3 years ago
4 0

Answer:

viivuvuhc ol xlbhxhx

Step-by-step explanation:

<h2>xxx tube xxx s s s s s yh y uinollnkbk j </h2>
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The product of-2 and the sum of a number and 8
Sunny_sXe [5.5K]

Answer:

-2(n+8)

Step-by-step explanation:

n is an unknown number

"the product" means multiplication

and "the sum" is addition

6 0
3 years ago
Prove : Cos^4A+sin^4A=1/4(3+cos4A)
Talja [164]

Answer:

1 = (sin^2 A + cos^2 A)^2 = sin^4 A + cos^4 A + 2 sin^2 A cos^2 A

so

sin^4 A + cos^4 A

= 1 - 1/2 sin^2 2A

= 1 - 1/4 (1- cos 4A)

= 1/4 (3+cos 4A)

Step-by-step explanation:

hope I helped

4 0
3 years ago
Get this right and you get brainliest
blagie [28]

Answer:

2 1/3 planes

Step-by-step explanation:

3.5 lego planes / 60 minutes

So fraction =

3.5/60

In 40 minutes he will build x planes

So the fraction equation is:

3.5/60 = x/40

Solve:

Cross multiply =

140 = 60x

x = 2 1/3

2 1/3 planes

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

-Chetan K

5 0
3 years ago
You have used the significant level of 0.01 to estimate the average hours of television viewing for the NJ students. What is the
Lorico [155]

Answer:

1%

Step-by-step explanation:

Given : You have used the significant level of 0.01 to estimate the average hours of television viewing for the NJ students.

To Find :What is the chance that our interval estimate does not contain the true population mean?

Solution:

We are given that You have used the significant level of 0.01 to estimate the average hours of television viewing for the NJ students.

So, α=0.01

Significance level indicates a risk of concluding that a difference exists when there is no actual difference.

So, The chance that our interval estimate does not contain the true population mean is 0.01

So, The chance that our interval estimate does not contain the true population mean is 0.01 \times 100 = 1\%

Hence Option D is true

8 0
4 years ago
Find the vertex, the axis of symmetry, and the y intercept of the graph
Igoryamba

Answer:

vertex at (-1,1)

axis of symmetry:  x=-1

y-intercept at 5

Step-by-step explanation:

5 0
3 years ago
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