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3 years ago

How many 3 4 cup servings of macaroni are in 2 3 of a cup of macaroni?

Mathematics

1 answer:

Kay [80]3 years ago

8 0

8 just devide the two fractions(keep change flip)
_
9

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Solve. x2 + 14 = 9x A) x = 2, x = 7 B) x = 3, x = 5 C) x = −2, x = −7 D) x = −3, x = −5

chubhunter [2.5K]

Answer:

A) x = 2, x = 7

Step-by-step explanation:

x^2 + 14 = 9x

Subtract 9x from each side

x^2-9x + 14 = 9x-9x

x^2-9x + 14 = 0

What 2 numbers multiply to 14 and add to -9

-7*-2 = 14

-7+-2 = -9

(x-7)(x-2) = 0

Using the zero product property

x-7 = 0 x-2 =0

x=7 x=2

7 0

3 years ago

Need help with this problem

Schach [20]

Here we are:

Triangle PQR is equilateral, all the angles are 60, this means that triangle PSR is an isosceles triangle. 180-90=90 90/2=45 60-45=15
B=15

Hope this helps :)

6 0

4 years ago

Your Assignment

Elodia [21]

Given:

The track is a square with a half circle on its left and right sides.

The area of the square is 128 square feet.

To find:

The length of the track.

Solution:

Let side length of the square be x.

Area of square is

$Area=(side)^2$

$128=x^2$

Taking square root on both sides.

$\sqrt{128}=x$

From the given table 127.7 is closed to 128. So, $\sqrt{128}$ is 11.3.

$x=11.3$

Diameter of circle = Side of square = 11.3.

The track has 2 sides of the square and the distance around 1 complete circle(s).

Radius of circle is

$\dfrac{11.3}{2}=5.65$

Length of the truck is sum of length of square and radii of two circles.

$Length =11.3+5.65+5.65$

$Length =22.6$

Therefore, the total length of the truck is 22.6 feet.

5 0

3 years ago

What is -0.2 repeating as a percent?

Simora [160]

-0.002 is the percentage hope this helped:)

3 0

3 years ago

Help ! determine the coordinates of given point

Volgvan

$▪▪▪▪▪▪▪▪▪▪▪▪▪ {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪$

The coordinates of the marked point is :

$(0, 9)$

7 0

3 years ago

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