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2 years ago

Show how you can solve the equation 3x=9 (i cant solve it im a pea brain)

Mathematics

1 answer:

faltersainse [42]2 years ago

6 0

Answer:

divide both sides by 3

Step-by-step explanation:

so the answer should be x=3

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Solve the system of equations.<br> 5y – 4c = -7<br> 2y + 4x = 14

Lesechka [4]

$c=\frac{5y}{4\\} + \frac{7}{4\\}$

$x=-\frac{y}{2} + \frac{7}{2}$

Step-by-step explanation:

if 'c' is meant to be another 'x' the answer is

(3, 1)

x = 3,y = 1

4 0

3 years ago

All help is much appreciated please and thank you

scoundrel [369]

Anddd Similar traingles for one more time.

Here,
RQ/RP = RS/RT = QS/PT = 1/2

Using the values of QS and PT will give,

$\frac{y}{y + 46} = \frac{1}{2} \\ \\ 2y =y + 46 \\ \\ y = 46$

Therefore y= 46 units.

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2 years ago

Minutes in x hours.<br> Just need the answer please

Gnesinka [82]

Answer:

There is no question

Step-by-step explanation:

8 0

2 years ago

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Solve –16t² +144= 0 to find the number of seconds, t, it takes for an object dropped from 144 ft above the ground to hit the gro

Vlad1618 [11]

Answer:

h(t) = -16t2 + 144

h(1) = -16(12) + 144 = 128 ft

h(2) = -16(22) + 144 = 80 ft

h(2) - h(1) = 80 - 128 = -48 ft

It fell 48 ft between t = 1 and t = 2 seconds.

It reaches the ground when h(t) = 0

0 = -16t2 + 144

t = √(144/16) s = 3s

It reaches the ground 3s after being dropped.

Step-by-step explanation:

6 0

2 years ago

Choose the correct written expression for: (3 x 4) + (6 2).

Inga [223]

Answer:

The product of 3 and 4 plus the quotient of 6 and 2 (aka the second one)

Step-by-step explanation:

8 0

2 years ago

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