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Tanzania [10]
3 years ago
8

Can someone pls help

Mathematics
2 answers:
Sloan [31]3 years ago
6 0
I think that the answer is inverse properly
Bad White [126]3 years ago
5 0

Answer:

A

Step-by-step explanation:

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How do you do this problem?
ra1l [238]

Step-by-step explanation:

∫ t⁷ e^(-t⁴) dt

If x = -t⁴, then dx = -4t³ dt, and ¼ x dx = t⁷ dt.

∫ ¼ x eˣ dx

If u = ¼ x, then du = ¼ dx.

If dv = eˣ dx, then v = eˣ.

∫ u dv = uv − ∫ v du

= ¼ x eˣ − ∫ ¼ eˣ dx

= ¼ x eˣ − ¼ eˣ + C

= ¼ eˣ (x − 1) + C

Substitute back:

= ¼ e^(-t⁴) (-t⁴ − 1) + C

7 0
3 years ago
Read 2 more answers
Someone help me please! with questions 1-4 , geometry is not my strong suit
Mashutka [201]

Answer:

for the first 2 neither one is a polygon because a polygon has straight sides and is closed connections were the first shape has an open connection and the second shape has a curved line. for question i believe is 48 and question 4 is 145.

explanation.

for the last 2 problems their total equal 360 so you just add up all the side then subtract the number you got by 360 and that's your answer. ex.) 120 +130+ 62=312. 360-312=48

6 0
3 years ago
Stamps can be brought in a book of 20. how many books will a customer need to mail 50 invitations
Xelga [282]

Answer:

2.5

Step-by-step explanation:

All you have to do to figure this out is divide your 50 invitations by twenty stamps because there is 20 stamps in one booklet. 50 divided by 20=2.5

6 0
4 years ago
Read 2 more answers
(3a^2+7b^2)^2 <br><br><br><br><br><br> Plz answer this
Leni [432]

Step-by-step explanation:

(3a²+7b²)²

Power will multiply

3a²+7b^4

7 0
3 years ago
The students at Harrison Middle School are being split into groups for a community service project. The
kykrilka [37]

6 grade 136

7 grade 144

8 grade 128

equals 408 students

12 groups 34 students

7 0
3 years ago
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