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4 years ago

Solve the equation -10X +1 + 7X = 37

Mathematics

1 answer:

Leya [2.2K]4 years ago

4 0

Answer:

X = -12

Step-by-step explanation:

-10X + 1 +7X = 37

-10X + 7X + 1 = 37 {Add the like terms}

-3X + 1 = 37 {Subtract 1 form both sides}

-3X + 1 -1 = 37 -1

-3X = 36 {Divide both sides by (-3)}

$\frac{-3x}{-3}=\frac{36}{-3}\\\\$

X = -12

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3 years ago

The probability that a plant is edible is 4/5 and the probability that a plant grows at a constant rate and is edible is 14/19.

miskamm [114]

Answer: Probability that a plant grows at a constant rate, given it is edible is given by $\frac{35}{38}$ .

Step-by-step explanation:

Let B be an event that getting a plant grows at a constant rate.

Since we have given that

The probability that a plant is edible is given by

$P(A)=\frac{4}{5}$

The probability that a plant grows at a constant rate and is edible is given by

$P(A\cap B)=\frac{14}{19}$

We will use "Conditional probability ", i.e.

$P(A\mid B)=\frac{P(A\cap B)}{P(A)}$

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4 years ago

If s(x)=2-2x^2 and t(x)=3x, which value is equivalent to (s•t)(-7)?

bazaltina [42]

Answer:

Step-by-step explanation:

Answers

-439

(s o t)(x)=s(t(x))

(s o t)(-7)=s(t(-7))

x=-7→t(-7)=3(-7)→t(-7)=-21

(s o t)(-7)=s(t(-7))=s(-21)

x=-21→s(-21)=2-(-21)^2=2-441→s(-21)=-439

(s o t)(-7)=s(t(-7))=s(-21)=-439

Answer: Option A -439

7 0

3 years ago