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MA_775_DIABLO [31]
3 years ago
14

Jane is cooking beans and rice for dinner

Mathematics
2 answers:
Elena-2011 [213]3 years ago
4 0

Answer:

4/13

Step-by-step explanation:

6+3+4 =13

4/13

marshall27 [118]3 years ago
3 0

Answer:

4/13

Step-by-step explanation:

P( blackbeans) = number of cans of black beans

                           ----------------------------------------------

                           total cans

                   =   4

                      -------

                       ( 4+6+3)

              = 4

                 -----

                 13

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A party-favor bag must have a volume of 140 cubic inches and the dimensions that are shown below. The equation x^3+6x^2-27x=140
KATRIN_1 [288]

For this case we have the following equation for the volume:

x ^ 3 + 6x ^ 2-27x = 140

Rewriting the equation we have:

x ^ 3 + 6x ^ 2-27x-140 = 0

We factor the equation to find the roots of the polynomial.

We have then:

(x-5) (x + 4) (x + 7) = 0

Then, we discard the negative roots, because the dimensions of the figure must be positive.

We have then that the length is:

x = 5

The height is:

x + 9 = 5 + 9 = 14

The width is:

x-3 = 5-3 = 2

Thus, the dimensions are:

5 * 14 * 2

Answer:

The length is 5 inches, the width is 2 inches, and the height is 14 inches.

3 0
3 years ago
Read 2 more answers
What is the answer to this question I don't really get it XD.
trapecia [35]

Answer:

It is asking you to solve for x.

Step-by-step explanation:

You can find the hypotenuse of the triangle using the Pythagorean Thereom.

hope this clarifies the problem!

A² + B² = C²

8 0
3 years ago
Consider the quadratic equation x squared = 4x - 5. how many solutions does the equation have?
snow_lady [41]

Answer:

The quadratic equation has two complex solutions

Step-by-step explanation:

we know that

The formula to solve a quadratic equation of the form ax^{2} +bx+c=0 is equal to

x=\frac{-b(+/-)\sqrt{b^{2}-4ac}} {2a}

in this problem we have

x^{2}=4x-5  

Equate to cero

x^{2}-4x+5=0  

so

a=1\\b=-4\\c=5

substitute in the formula

x=\frac{4(+/-)\sqrt{-4^{2}-4(1)(5)}} {2(1)}

x=\frac{4(+/-)\sqrt{16-20}} {2}

x=\frac{4(+/-)\sqrt{-4}} {2}

Remember that

i^{2}=-1

so

x=\frac{4(+/-)2i} {2}

x=2(+/-)i

therefore

The quadratic equation has two complex solutions

5 0
3 years ago
What happens as the triangle goes from obtuse to acute
jeka57 [31]

Answer:  the degree will go down 90 degrees

Step-by-step explanation: An obtuse triangle is one that has an angle greater than 90°. An acute triangle is defined as a triangle in which all of the angles are less than 90°.

7 0
3 years ago
-3(1-2x)=3x+3(x-3)+6
deff fn [24]

Let's solve this problem step-by-step.

−3(1−2x)=3x+3(x−3)+6

Step 1: Simplify both sides of the equation.

−3(1−2x)=3x+3(x−3)+6

(−3)(1)+(−3)(−2x)=3x+(3)(x)+(3)(−3)+6(Distribute)

−3+6x=3x+3x+−9+6

6x−3=(3x+3x)+(−9+6)(Combine Like Terms)

6x−3=6x+−3

6x−3=6x−3

Step 2: Subtract 6x from both sides.

6x−3−6x=6x−3−6x

−3=−3

Step 3: Add 3 to both sides.

−3+3=−3+3

0=0

So, 0=0 or all real numbers.

6 0
3 years ago
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