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sergejj [24]
2 years ago
11

-3(x + 4y) + 2(x – 2y) + (3x -5y)​

Mathematics
1 answer:
gtnhenbr [62]2 years ago
7 0
From what I remember it is -x-31y
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As a motorcycle accelerates at 5.1 m/s2, its speed changes from 16 km/h to 118 km/h. How long does this take?
ser-zykov [4K]
<em>Acceleration (a) = 5.1 m/s</em>²
<em>Initial speed (u) = 16 km/h </em>⇒ \frac{16*1000}{3600} <em>m/s </em>≈ <em>4.5m/s</em><em>
</em>
<em>Final speed (v) =118 km/h </em>⇒ \frac{118*1000}{3600} <em>m/s</em> ≈ <em>32.8m/s</em><em>
</em>

Distance(S) travel in that particular instant is carried out by 'Third equation of motion' i.e., v² = u² + 2aS

<em>So, When all quantities are in S.I. unit then,
</em>
putting the values in the equation of motion,

<em /><em>As we have to carry out the distance covered,
</em><em>2</em>·<em>a</em>·<em>S = v</em>² <em>- u</em>²
<em>S = </em>\frac{ v^{2} - u^{2} }{2a}
Putting values in derived equation,
⇒ <em>S = </em>\frac{ (32.8)^{2} - (4.5)^{2} }{2*(5.1)}
⇒ <em>S = </em>\frac{ 1075.84 - 20.25}{10.2}
⇒ <em>S = </em>\frac{1055.59}{10.2}
⇒ <em>S </em>≈ <em>103.489</em> <em>m
</em><em>
The total distance covered in that given condition is approx. 103.289 m.</em>
8 0
3 years ago
Read 2 more answers
Consider the system of equations. y = –5x – 1 y = 2x + 6 Choose the correct answer to each question. What is the slope of the fi
andrew-mc [135]

Answer:

Step-by-step explanation:

-5x - 1 = 2x + 6

-7x - 1 = 6

-7x = 7

x = -1

y = 2(-1) + 6

y = -2 + 6

y = 4

(-1, 4)

6 0
3 years ago
Read 2 more answers
C= 5/9(F-32)
SIZIF [17.4K]
It’s C I think but correct me if I’m wrong
8 0
2 years ago
A number has exactly three factors and is less than 50 what is this number
vfiekz [6]
Answer: 25

Explanation:

The 1st factor is 1.
The 2nd factor is the number itself.
The 3rd factor must be a factor that multiplies itself to get to the number.
The number must be 25, factors = 1, 5, 15

4 0
3 years ago
I don’t know if this is correct !!!!!!! Please answer correctly !!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!!!!
Verizon [17]

Answer:

Yes That Is Correct!

Step-by-step explanation:

If all three pairs of corresponding sides are congruent, the triangles are congruent. This congruence shortcut is known as side-side-side (SSS).

BEST OF LUCK IN MATH!

4 0
3 years ago
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