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amid [387]
3 years ago
9

How many solutions can be found for the linear equation? 4(x + 5) - 5 = 8x + 18 2

Mathematics
1 answer:
Elena L [17]3 years ago
7 0

Answer:

4x + 20 - 5 = 0 \\ 4x + 15  = 0 \\ 4x =  - 15 \\ x = -   \frac{15}{4}

Step-by-step explanation:

8x + 18 = 0 \\ 8x =  - 18 \\ x =  -  \frac{18}{8}  \\ x =  -  \frac{9}{4}

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F(x) = 2x² + x at (-1, 1)
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Answer:

f(x) = 2 {x}^{2}  + x \\ at \: that \: point \: given \:  \: x =  - 1 \\ f(x) = 2 {( - 1)}^{2}  + ( - 1) \\ f(x) = 2 - 1 \\ f(x) = 1

4 0
3 years ago
Please help me please!!​
irakobra [83]

Answer:

mok

Step-by-step explanation:

mok

7 0
3 years ago
Evaluate the indicated function for f(x) = x2 − 1 and g(x) = x − 2 algebraically. If possible, use a graphing utility to verify
Maru [420]
(F-g)(-2) is the answer
5 0
3 years ago
Which fractions are equivalent to -30/48 ?
Vedmedyk [2.9K]

The answer is D

Because

-35/65 = -0.53


I hope that's help:)

6 0
3 years ago
A new experimental strain of pepper plants was being studied to estimate how much fruit one plant would produce in a typical gro
zmey [24]

Answer:

58.9% produced produced peppers weighing between 13 and 16 pounds.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 15

Standard Deviation, σ = 1.75

We are given that the distribution of weight of peppers is a bell shaped distribution that is a normal distribution.

Formula:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

P(peppers weighing between 13 and 16 pounds)

P(13 \leq x \leq 16) = P(\displaystyle\frac{13 - 15}{1.75} \leq z \leq \displaystyle\frac{16-15}{1.75}) = P(-1.142\leq z \leq 0.571)\\\\= P(z \leq 0.571) - P(z < -1.142)\\= 0.716 - 0.127 = 0.589 = 58.9\%

P(13 \leq x \leq 16) = 58.9\%

58.9% produced produced peppers weighing between 13 and 16 pounds.

7 0
3 years ago
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