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Ivan
2 years ago
15

Pedro mixes 3/4 teespoon of plant food into each gallong of water.How much teaspoons of plant food should Pedro mix into 5 gallo

ns of water
Mathematics
2 answers:
Alex17521 [72]2 years ago
7 0
We need to do 3/4x5. 3/4 is the same as 0.75. 0.75x5= 3.75. If you put that back into a fraction it is 3 and 3/4. This means pearl needs to mix 3 and 3/4 teaspoons of plant food into the water.
Firlakuza [10]2 years ago
4 0
<span>Work:
</span>
1 gallon of water requires 3/4 teaspoon of plant food, so multiply 3/4 by 5

3/4  ×  5

Make 5 into a fraction

3/4  ×  5/1

Multiply the denominator by the denominator and the numerator by the numerator

 3   ×   5            15
----     ----    =   ------
 4   ×   1<span>             4

15/4  is an improper fraction, so make it a mixed fraction

15/4  =  3 and 3/4

Answer:

Pedro should mix 15/4  teaspoons or 3 and 3/4  teaspoons  of plant food into 5 gallons of water.</span>
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The value of a professor basketball players autograph rose 30% in the las year.It is now worth $286.00. What was it worth a year
sineoko [7]

Answer:

$220 dollars

Step-by-step explanation:

a = p * w (the percentage formula)

subsitute. It rose by 30 % since last year so you're going to put 1.30 (30% -> 0.30 then add 1)

286 = 1.30 * w

solve.

w = 220

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3 years ago
Estimate the value of 9.9 power of 2 x 1.79 <br> pls some one help me
dybincka [34]

Answer:

The correct answer is 175.4379

Step-by-step explanation:

(9.9)^2 • 1.79

=98.01 • 1.79

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3 years ago
A rectangle or exercise mat has a perimeter of 48 feet the length of the mat Is twice The lift right and solve any questions to
Misha Larkins [42]

Answer:

The equation to determine the length is 4w+2w=48.

The Length of the exercise mat is 16 feet.

Step-by-step explanation:

Given:

Perimeter of Rectangular mat = 48\ ft

Let the length of the mat be denoted by 'l'

And width be denoted by 'w'.

Also Given:

The length of the mat is twice the width of the mat.

So we can say that;

l=2w  ⇒ equation 1

Now we know that;

Perimeter of Rectangle is equal to twice the sum of length and width.

framing in equation form we get;

2(l+w)=48 ⇒ equation 2

Now Substituting equation 1 in equation 2 we get;

2(2w+w)=48

Applying Distributive property we get;

2\times2w+2\times w=48\\\\4w+2w=48

Hence, The equation to determine the length is 4w+2w=48.

On Solving the above equation we get;

4w+2w=48\\\\6w=48

Dividing both side by 6 we get;

\frac{6w}{6}=\frac{48}{6}\\\\w=8\ ft

Now Substituting the value of 'w' in equation 1 we get;

l=2w=2\times8=16\ ft

Hence The Length of the exercise mat is 16 feet.

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3 years ago
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Elanso [62]

Answer:

Value of f(-10) is 1100

Step-by-step explanation:

Given that f(x) = x² - x³

Here we need to find f(-10).

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 f(-10) = 100 - (-1000)

 f(-10) = 100 + 1000

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Value of f(-10) is 1100

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2 years ago
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