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3 years ago

1. For a certain type of tropical fish, it is recommended

Mathematics

1 answer:

Nookie1986 [14]3 years ago

4 0

Answer:

We can have 7 fish in fish tank containing 35 gallons of water.

Step-by-step explanation:

Given:

2 fish per 10 gallons

∴ 1 fish can be in = $\frac{10}{2}=5 \ gallons$

To find Number of fish in 35 gallons of water

Number of fish in 35 gallons would be = $\frac{35}{\text{Number of gallons for 1 fish}} = \frac{35}{5}= 7$

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A function f defined by f(x) = x² + px + q is such that f(3) = 6 and f¹(3) = 0. Find the value of q.

CaHeK987 [17]

Answer:

q = 15

Step-by-step explanation:

Given

f(x) = x² + px + q , then

f(3) = 3² + 3p + q = 6 , that is

9 + 3p + q = 6 ( subtract 9 from both sides )

3p + q = - 3 → (1)

---------------------------------------

f'(x) = 2x + p , then

f'(3) = 2(3) + p = 0, that is

6 + p = 0 ( subtract 6 from both sides )

p = - 6

Substitute p = - 6 into (1)

3(- 6) + q = - 3

- 18 + q = - 3 ( add 18 to both sides )

q = 15

5 0

3 years ago

2/5 divides by -4/7=?<br> Can I please get a specified answer?

iVinArrow [24]

Answer:

7/10

Step-by-step explanation:

(2/5)%(-4/7)

We will change the second fraction to make multiplication

So it will be 2/5×-7/4

=. -14/20

= -7/10

6 0

2 years ago

What represents 2 1/4 on a number line

suter [353]

Point c is the point hope this helps

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3 years ago

Two-order systems may be solved by subtraction. True False

sammy [17]

This is True

answered false got it wrong

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2 years ago

Which shows the correct method for solving the equation below?<br> 1/3 (y-9) =3

lyudmila [28]

Answer:

$y=18$

Step-by-step explanation:

we have

$\frac{1}{3}(y-9)=3$

Multiply by $3$ both sides

$3*(\frac{1}{3}(y-9))=3*3$

$(y-9)=9$

Adds $9$ both sides

$(y-9)+9=9+9$

$y=18$

3 0

2 years ago