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UNO [17]
1 year ago
13

Thu gọn biểu thức : (x-5)(x+5)-(x+1)^2

Mathematics
1 answer:
Kipish [7]1 year ago
5 0

(x-5)(x+5)-(x+1)^2\\=x^2 -25-(x^2+2x +1)\\=x^2 -25-x^2-2x -1\\=-2x-26

ANSWER: -2x -26

Ok done. Thank to me :3

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Monday<br> What time is 5 3/4 hours after<br> 11:32 pm?
Marina86 [1]

bearing in mind that the an hour has 15 + 15 + 15 + 15 = 60 minutes, so 15 minutes in 1/4 of an hour, thus 45 minutes is 3/4 of an hour.

now, from 11PM, if we add the 5 hours first, we'll be at 4AM, pass midnight of course.

now let's add the minutes, 32 and then 45, that gives us 77 minutes.

so the time will be 4AM plus 77 minutes, since 60 minutes is 1 hr, so 4AM plus 1 hr and 17 minutes, that'd be 5:17AM.

6 0
3 years ago
Describe the following pattern in your own words and write three next terms:2;1;1\2;1\4​
tangare [24]

Answer: Please mark me brainliest, it will really help me just as this answer really helps you.

Description: Divide by two

Next three terms: 1/8, 1/16, 1/32

Explanation:

<em>How to get next term?</em>

Divide the number before by two to get the next term.

<em>How do you get the pattern?</em>

I observed a pattern that each next number was divided by two.

5 0
2 years ago
Read 2 more answers
Amirah's family is driving to her uncle's house. The family travels 383.5 miles between 10:15 am and 4:45 pm. Calculate the fami
ddd [48]

Answer:

The family's average rate of travel for the day was 59.0 MPH.

Step-by-step explanation:

From 10:15AM to 4:45PM, they travelled a distance of 383.5 miles and a total of 6 hours and 30 minutes.

There are 60 minutes in an hour. 30 minutes translates into 1/2 an hour or .5

So, 6.5 hours and a total distance of 383.5 miles.

Velocity (MPH) = Distance (in miles) / Time (in hours)

MPH means Miles Per Hour

Variables:

Velocity (MPH) = x

Distance (in miles) = 383.5

Time (in hours) = 6.5

Plug in the variables into the formula

x = 383.5 / 6.5

Divide

x = 59.0 MPH

5 0
2 years ago
Read 2 more answers
HELP!!!!! I do not understand how to do this! Could someone please explain to me how I would solve this problem?
maks197457 [2]
Yeah man nearly there
3 0
3 years ago
Each day her goal is to make 4 more baskets than she made thr day before. If she makes 10 baskets the first day and meets her go
irina [24]

Answer:

Janelle will make <u>62 baskets</u> on 14th day.

Step-by-step explanation:

Given,

Number of goals on 1st day = 10

We need to find the number of goals on 14th day.

Solution,

Since Janelle made 10 goals on 1st day and want to make 4 more basket from the day before.

So we can say that;

a_1=10   and    d=4

And also n=14

here a_1 = first term

d = common difference

n = number of terms

Now we apply the formula of A.P.

T_n=a_1+(n-1)d

now substituting the given values, we get;

T_{14}=10+(14-1)4\\\\T_{14}=10+13\times 4\\\\T_{14}=10+52 =62

Hence Janelle will make <u>62 basket</u> on 14th day.

7 0
3 years ago
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