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3 years ago

George bought 30 packets of football cards they were 14 cards and each packet how many cards did George buy

Mathematics

1 answer:

Sindrei [870]3 years ago

3 0

He has 420 cards. if you have 30 packs and 14 in each just 30*14

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According to the rational root theorem, what are all the potential rational roots of f(x)=5x^3-7x+11

Genrish500 [490]

Answer:

$\pm11,\pm1,\pm\frac{11}{5},\pm\frac{1}{5}$

Step-by-step explanation:

The given polynomial function is

$f(x)=5x^3-7x+11$

According to the Rational Roots Theorem, the ratio of all factors of the constant term expressed over the factors of the leading coefficient.

The potential rational roots are

$\pm\frac{11}{1}=\pm11$

$\pm\frac{1}{1}=\pm1$

$\pm\frac{11}{5}$

$\pm\frac{1}{5}$

4 0

4 years ago

What pattern is represented by the polynomial ?

Ymorist [56]

Answer:

choice C. Perfect square trinomial is correct.

Step-by-step explanation:

We need to find the pattern which is represented by the polynomial $4x^2+12x+9$ .

To find that pattern, we need to factor $4x^2+12x+9$

$4x^2+12x+9$

$=4x^2+6x+6x+9$

$=2x(2x+3)+3(2x+3)$

$=(2x+3)(2x+3)$

$=(2x+3)^2$

which is a perfect square.

Hence choice C. Perfect square trinomial is correct.

8 0

3 years ago

What is the surface area of the square pyramid?

Pavel [41]

The base is a square, therefore all the sides of the base are the same. This also means all the triangles have the same area.

10*10 = 100 cm^2 for the base

0.5*10*12 = 60 cm^2 for each triangle

100 + 4(60) = 340 cm^2

3 0

3 years ago

Read 2 more answers

Find the value of X <br> ASAP

Taya2010 [7]

X= 103
180 - 65 = 115
X + 12 = 115
X = 115 - 12 = 103

6 0

3 years ago

Use Quadratic Formula<br> 2x2 + 10x = -11<br> hth24

bekas [8.4K]

Answer:

Step-by-step explanation: