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vova2212 [387]
3 years ago
12

2/3x = 27 please help

Mathematics
1 answer:
pantera1 [17]3 years ago
5 0
X= 81/2 this is the answer
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Help meeeeeeeeeeeeeee pleaseeeeeee
Rina8888 [55]

Answer: 2.5, 5.4

Step-by-step explanation:

-16t^2 +126t=213\\\\16t^2 -126t+213=0\\\\t =\frac{-(-126) \pm \sqrt{(-126)^2 -4(16)(213)}}{2(16)}\\\\t \approx 2.5, 5.4

8 0
1 year ago
PLEASE HELP ME I NEED TO FINISH THIS!!!
egoroff_w [7]

Answer:

2, 1, 1/2, 1/4

Step-by-step explanation:

2¹ = 2

2^0 = 1

2^-¹

= 1/2¹

= 1/2

2^-2

= 1/2²

= 1/2*2

= 1/4

To complete the table

2² 2¹ 2^0 2^-1 2^-2

4 2 1 1/2 1/4

5 0
3 years ago
Find the solutions to the equation. Select ALL that apply.
alisha [4.7K]

Answer:

0

Step-by-step explanation:

-3y(2y+5)=0

-6y+15y=0

9y=0

y=0÷9

y=0

5 0
4 years ago
suppose linda had 2/3 of a yard of fabric and told Sandra that she used 3/4 of a yard. Sandra says this is not possible. Do you
zepelin [54]
I do not agree because 3/4 is greater than 2/3 so you can not do 3/4-2/3
7 0
3 years ago
How far can a plane fly if it flies at a rate of 170 miles per hour for 4 hours?
Colt1911 [192]
The relationship between space, time and velocity for a uniform motion is given by:
S=vt
where
S is the distance covered
t is the time
v is the velocity

The plane in our problem has a velocity of
v=170 m/h
and so during a total time of t=4 h, the distance it covers is
S=vt=(170 m/h)(4 h)=680 mi
therefore, 680 miles.
6 0
3 years ago
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