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Anika [276]
3 years ago
14

PLEASE HELP !! ILL GIVE BRAINLIEST !!

Mathematics
2 answers:
ra1l [238]3 years ago
6 0

Answer:

2nd one ( Efc & dcf ) & 4th one (Bcf & gfc) .

Step-by-step explanation:

Hope it helps .

zhenek [66]3 years ago
3 0

Answer:

BCF and GFC

EFC and DCF

because they are alternate

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HELP EASY IF YOU KNOW SPANISH
pashok25 [27]

Answer:

14 is "Yo tengo"

15 is Qué tienes en tu mochila?

5 0
3 years ago
Brett has a $30 online gift voucher. He plans to buy as many books as he can . The cost of each book is $4. There is also a sing
Mrac [35]

Answer:

7

Step-by-step explanation:

30 >or equal to  4x + 2

Solve for x

28 > or equal to 4x

x > or equal to 7

5 0
4 years ago
A particle moves on a coordinate line with an acceleration at time t seconds of e^t/2 m/sec^2. At t=0 the particle is at the ori
castortr0y [4]
Hello,

A) a=e^ \frac{t}{2} \\\\

v(t)=\int\ a\ dt=\int\ e^ \frac{t}{2}\ dt=2*e^ \frac{t}{2}+C\\\\v(0)=-4\\
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\boxed{v(t)= 2*e^ \frac{0}{2}-6}\\\\





B)
2*e^ \frac{t}{2}-6=0\\\\

e^ \frac{t}{2}=3\\\\

t=2*ln(3)\approx{2,19722...}\\



C)

x(t)=\int_0^6(2*e^ \frac{t}{2}-6})\ dt=\left[4*e^ \frac{t}{2}-6t\right]_0^6\\\\ =e^3-36-4=4e^3-40\approx{40.3421...}\\\\



5 0
3 years ago
The following sets of numbers are possible side lengths of a triangle. Which of the following sets forms a Pythagorean triple?
sveta [45]
A Pythagorean triple means that when you do Pythagorean theorem, a, b and c will all be integer values. The largest number will always be put in for the 'c'.
Letter B is a Pythagorean triple.
28^2 + 45^2 = 53^2
784 + 2025 ?=? 2809
2809 = 2809

3 0
3 years ago
Read 2 more answers
What is the value of y in the solution to the system of equations?x + y = 12x – 3y = –30
evablogger [386]
X + y = 12 . . . . . . . . (1)
x - 3y = -30 . . . . . . . (2)
(1) - (2): 4y = 42
y = 10.5
3 0
3 years ago
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