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tigry1 [53]
3 years ago
12

14-2(x+8)=5x-(3x-34)

Mathematics
1 answer:
Scilla [17]3 years ago
4 0

Answer:30=-34


Step-by-step explanation:

First you distribute so 2×X is 2X

2×8 is 16 then you do the other side but you put a one in front of the- so it goes 1 times 3x is 3x and you turn the minus into a plus sign and turn the positive 34 into a negative 34 so -34× 1 is -34 then write that out to look like 14-2X+16= 5X -3X + -34 then you add or subtract the commons which is 14+16= 30 and 5X-3X=2X so now your equation is 30-2x=2X+(-34) then you want to get your X on the same side so you subtract 2X from the right side and the left side then your left 30=-34

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The number of passengers using a railway fell from 190,205 to 174,989 during a 5-year period. Find the annual percentage decreas
lakkis [162]

Answer:

1.65%

Step-by-step explanation:

We will assume the percentage was the same over the 5 years. The number of passengers using a railway is expressed by the formula

                           P(t)  = P_{o}(1 - r)^{t}

Where

P(t) is the number of passengers after 5 years

                  P(t) = 174,989

P₀ is the number of the passengers at the beginning of the period

                 P₀ = 190,205

r is the rate in percentage    r  = ?

t is time duration    t = 5 years

Substituting these given values into the formula,

                 174,989 = 190,205(1 - r)^{5}

                 (1 - r)^{5} = \frac {174,989}{190,205}

                 1 - r = \sqrt[5]{ \frac {174,989}{190,205}}

                 1 - r = \sqrt[5]{0.920}

                 1 - r = 0.9835

                 r = 1 - 0.9835

                 r = 0.0165

                r = 1.65%

The annual percentage decrease over the period of 5 years is 1.65%

5 0
3 years ago
3x = 2x + 12<br> What is the answer to this equation?
Strike441 [17]

Answer:

x=12

Step-by-step explanation:

3x=2x+12

-2x from each side

x=12

4 0
3 years ago
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Pls help. No files pls. Will give brainliest.
nordsb [41]

To find f(-20), first figure out which piece x = -20 fits with.

Since -20 < -12, x = -20 first in the domain used by the third piece.

For f(-20), treat this function as if it was just f(x) = 3x-7.

f(-20) = 3(-20) -7

         = -60 - 7

         = -67

6 0
3 years ago
What is the axis of symmetry?
Stella [2.4K]

Answer:

The axis of symmetry of a parabola is a vertical line that divides the parabola into two congruent halves

4 0
4 years ago
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HURRYY!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
zepelin [54]
<span>corresponding angles is the answer

</span>
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