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3 years ago

ᗩ 10 OᑌᑎᑕE ᗷᗩG Oᖴ ᑭOᑭᑕOᖇᑎ ᑕOᔕT $2.45 ᗩT TᕼE ᗰOᐯIEᔕ. ᗯᕼᗩT Iᔕ TᕼE ᑕOᔕT Oᖴ 4 ᗷᗩGᔕ

Mathematics

2 answers:

Tems11 [23]3 years ago

3 0

the cost of 4 bags of popcorn is $9.80 ( 2.45 x 4 )

the total weight of the popcorn would be 40 ounces ( 4 x 10 )

LenKa [72]3 years ago

3 0

The total amount for 4 bags of 10 ounce popcorn would be $9.80

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Which of the following functions is quadratic?

madam [21]

Answer:

f(x)=3(x-4)(x+3)

Step-by-step explanation:

Quadratic function follows the f(x) = ax^2 +bx+c pattern

f(x)=3(x-4)(x+3) after multiplying out is equal to

f(x)=(3x-12)(x+3) = (3x^2+9x-12x-36) = (3x^2-3x-36)

f(x) = (3x^2-3x-36)

where

a = 3

b = -3

c = -36

7 0

4 years ago

Enter the simplified form of the complex fraction in the box.

Ket [755]

The problem is:

$\frac{\frac{3}{x}+\frac{1}{4}}{1+\frac{3}{x}}$

We now do L.C.M. of numerator and add, also do L.C.M. of denominator and add together:

$\frac{\frac{12+x}{4x}}{\frac{x+3}{x}}$

Dividing by a fraction is same as multiplying by its reciprocal, so we have:

$\frac{12+x}{4x} * \frac{x}{x+3} \\$

x cancels out, so can multiply and write:

$\frac{12+x}{4} * \frac{1}{x+3} \\=\frac{12+x}{4x+12}$

This is the simplified form.

ANSWER: $\frac{12+x}{4x+12}$

3 0

3 years ago

Round 4.88 to the nearest tenth

Minchanka [31]

4.88 rounded to the nearest tenth is 4.9

7 0

3 years ago

Read 2 more answers

How to solve this for x

timama [110]

the answer is x= 10.

the steps would go like this.

4 + 3/5 × (15 + 2x) = 25

4 + 9 + 6/5x = 25

13 + 6/5x = 25

65 + 6x = 125

6x = 125 -65

6x = 60

x = 10

hope this helps

5 0

3 years ago

HELPPPPPPPPPPPPPPPPPPPPPPPP!!!!!!!!!!!!!!

snow_lady [41]

Answer:

A. The area is $78.54m^2$

B. She needs to cover 1661.9 square feet of tiles for the base of the swimming pool

Step-by-step explanation:

Question A:

Let us assume that the leash is pegged to the ground using a stake. as a result, the dog can move around the stake. The path that the motion of the dog would trace is a circle, and the radius of the circle will be the length of the leash.

Since we know this, we can easily find the area of the circle using $\pi r^2$

Area of the circle = $\pi \times 5 \times 5 = 78.54m^2$

Question B

Dulce wants to cover the whole surface area of the floor of the circular swimming pool with tiles.

We already know that the swimming pool is circular, hence, the surface area of the base of the swimming pool will be the same as the area of a circle, with the same radius.

The area of the circle can be calculated using $\pi r^2$

Area of circle = $\pi \times 23 \times 23 = 1661.9ft^2$

8 0

3 years ago