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2 years ago

8.15 = e + 6 Solving one step equations Addition and subtraction

Mathematics

1 answer:

Alex Ar [27]2 years ago

7 0

Answer:

e= 2.15

Step-by-step explanation:

Subtract both sides by 6

2.15=e

Thus e is 2.15

Hope this helps!

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A certain culture of year increases by 50% every three hours. A scientist places 9 grams of yeast in a culture dish. Write the e

miskamm [114]

Answer: a) Explicit formula : $f(x)=9(1.5)^{3x}$

b) Recursive formula : $f(x)=9(1.5)^{3x}$ and $f(x+1)=f(x)\times 1.5^3$

Step-by-step explanation:

Since we have given that

Number of grams of yeast in a culture dish initially = 9 grams

According to question, a certain culture of year increases by 50 % every three hours.

So, the explicit formula will be

$f(x)=9(1+\frac{50}{100})^{3x}\\\\f(x)=9(1+0.5)^{3x}\\\\f(x)=9(1.5)^{3x}$

And the recursive formula will be

$f(x)=9(1.5)^{3x}\\\\f(x+1)=9(1.5)^{3(x+1)}\\\\f(x+1)=9(1.5)^{3x+3}\\\\f(x+1)=9(1.5)^{3x}.(1.5)^3\\\\f(x+1)=f(x)\times 1.5^3$

Hence, a) Explicit formula : $f(x)=9(1.5)^{3x}$

b) Recursive formula : $f(x)=9(1.5)^{3x}$ and $f(x+1)=f(x)\times 1.5^3$

6 0

3 years ago

If 5x - 2 = -12, then x =

yKpoI14uk [10]

Answer:

x = -2

Step-by-step explanation:

1) add 2 to both sides to eliminate -2.

5x = -10

2) divide both sides by 5.

x = -2

7 0

4 years ago

Read 2 more answers

Tell whether the value is a solution of the inequality.<br> 3s < 19; s=-6<br> yes<br> no

MAXImum [283]

Answer:

Yes, the value is a solution of the inequality.

Step-by-step explanation:

3s < 19; s = -6

3(-6) < 19

-18 < 19

TRUE!

4 0

4 years ago

tickets sold for a concert cost $3 for kids (x) and $5 for adults (y). the total amount earned was greater than $25. write an in

Olenka [21]

3x + 5Y > 25
**we know that the sale is MORE but not equal to 25

6 0

4 years ago

Solve the equation.

Zina [86]

Answer:

x=5

Step-by-step explanation:

esa es la respuesta correcta

7 0

3 years ago