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Nata [24]
3 years ago
14

5(2x + 3)2 when x = 3.

Mathematics
1 answer:
Anni [7]3 years ago
6 0

Answer:

Step-by-step explanation:

5 x 2=10 x 3 = 30

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Austen has $20 in a savings account that earns 5% annually. The interest is not
marta [7]

20x(5/100)=1

That is the interest after one year

Add to the principal:20+1=21

3 0
3 years ago
Of all rectangles with a perimeter of 12 which one has the maximum area
Vika [28.1K]

The rectangle maximum area will be A=9 square units with the length=3 and the width=3.

<h3>What is area of rectangle?</h3>

Area is defined as the space occupied by a plane or rectangle having length and width in two dimensional plane.

It is given that the perimeter of rectangle is P=12

So from the formula of perimeter of rectangle

2(L+W)=12

L+W=6

L=6-W

Now the area of rectangle will be

A=LxW

A=(6-W)W

Now for maximum area we will find the derivative and equate to zero.

A=(6W-W^2})

A'=6-2W=0

W=3

L=6-W=6-3=3

So the area will be

A=3\times 3=9 \ square \ units

Hence the rectangle maximum area will be A=9 square units with the length=3 and the width=3.

To know more about area of rectangle follow

brainly.com/question/25292087

#SPJ4

8 0
2 years ago
Joel’s veterinarian tells him that he can give his dog 11 5/8 mg of Benadryl for relief of his dogs allergies. Joel’s dog weighs
Sav [38]

Step-by-step explanation:

Given that,

The dosage of Benadryl for Dog is 11\dfrac{5}{8}\ mg

Weight of Joel's Dog is 15\dfrac{1}{2}\ \text{pounds}

(a)  Benadryl dosage per pound for Joel’s dog is calculated as :

\dfrac{11\dfrac{5}{8}}{15\dfrac{1}{2}}=\dfrac{\dfrac{11\times 8+5}{8}}{\dfrac{15\times 2+1}{2}}\\\\=\dfrac{\dfrac{93}{8}}{\dfrac{31}{2}}\\\\=\dfrac{93}{8}\times \dfrac{2}{31}\\\\=0.75\ \text{dosage per pound}

(b) If the weight of the Dog is 12 pounds, it means

\dfrac{11\dfrac{5}{8}}{12}\ \text{dosage per pounds}\\\\=\dfrac{\dfrac{93}{8}}{12}\\\\=\dfrac{93}{8}\times \dfrac{1}{12}\\\\=0.968\ \text{dosage per pounds}

Therefore, this is the required solution.

3 0
3 years ago
Dakari makes 2 dozen jars of jam. The total weight of all of the filled jars is 211.2 ounces. When empty, each jar weighs 1.2 ou
Sladkaya [172]

Answer:

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Applications of Quadratic Functions. Please help! Ignore C. I keep getting imaginary numbers. Am I supposed to get imaginary num
Marysya12 [62]

Answer:

Step-by-step explanation:

1.

a)

Find the vertex by completing the square to answer both a and b

d)

x-ints is when y=0

so use quadratic equation for

b^2-20b+200=0

a=1

b= -20

c=200

But notice these imaginary numbers means 0 x intercepts.

3 0
3 years ago
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