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MAXImum [283]
2 years ago
10

I need help solving |-5y+9|= 14

Mathematics
2 answers:
Dmitry [639]2 years ago
8 0

Answer:

-5 turns into 5 and the y is probably 1, so 5+9 is equal to 14.

Step-by-step explanation:

Mekhanik [1.2K]2 years ago
8 0

Answer:

y=−1 or y=23/5

Step-by-step explanation:

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A piece of wood is cut into three different sized pieces. The ratio of the three pieces is 4:5:6. If the actual length of the wo
artcher [175]

Answer:

12

Step-by-step explanation:

So 4:5:6 = 45

4+5+6 = 15

45/15 = 3

Since 4 is the smallest, 4*3 = 12.

Hope this works!

4 0
2 years ago
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S= zh - 2zt^3 solve for z
zysi [14]

Hi ;-)

s=zh-2zt^3\\\\z(h-2t^3)=s \ \ /:(h-2t^3)\\\\z=\dfrac{s}{h-2t^3}

6 0
2 years ago
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John needs to buy at least 100 tiles to redecorate his bathroom. The tiles are sold in packs of 6.
AnnyKZ [126]

Answer: n\geq17

Step-by-step explanation:

Let n= Number of packs John needs.

Tiles in 1 pack = 6

Tiles in <em>n</em> pack = <em>6n</em>

If he needs at least 100 tiles.

then

6n ≥ 100

\Rightarrow\ n\geq100\\\\\Rightarrow\ n\geq\dfrac{100}{6}\\\\\Rightarrow\ n\geq\dfrac{50}{3}\\\\\Rightarrow\ n\geq16.67\\\\\Rightarrow\ n\geq 17

The required inequality: n\geq17

7 0
2 years ago
Andrew and his cousin Emily are picking apples in their grandparents' orchard. Andrew
Liula [17]

Answer:

they will have 32 baskets of fruit

1 hour

Step-by-step explanation:

andrews equation is y = x + 15

emilys equation is y = 3x + 13

when x = 1, andrew has 1+15 = 16, and emily has 3+13 = 16

4 0
2 years ago
In this problem we evaluate the series:
Paladinen [302]

Answer:

  A.  1/(n(n+2)) = (1/2)/n - (1/2)/(n+2)

  B.  14651/19800

Step-by-step explanation:

<h3>A.</h3>

The coefficients of the partial-fraction expansion can be found from ...

  f(n) = 1/(n(n+2)) = A/n +B/(n+2)

  n·f(x) = 1/(n+2) = A +Bn/(n+2)

For n=0, this becomes ...

  1/(0 +2) = A = 1/2

__

Similarly, ...

  (n+2)·f(n) = 1/n = A(n+2)/n +B

For n = -2, this becomes ...

  1/(-2) = B = -1/2

The n-th term can be written ...

  1/(n(n+2)) = (1/2)/n - (1/2)/(n+2)

__

<h3>B.</h3>

The sum is ...

  1/(1·3) +1/(2·4) +1/(3·5) +... +1/(98·100)

  = 1/2(1/1 -1/3 +1/2 -1/4 +1/3 -1/5 +... +1/98 -1/100)

  = 1/2((1/1 +1/2 +1/3 +...1/98) -(1/3 +1/4 +1/5 +...+1/100)

We notice that terms 3..98 cancel, so the sum is ...

  = 1/2(1/1 +1/2 -1/99 -1/100) = (1/2)(3/2 -199/9900)

  = 14651/19800

7 0
2 years ago
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