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strojnjashka [21]
3 years ago
7

What is the answer to the problem below?(attached in picture) Thanks in advance!

Mathematics
2 answers:
Mama L [17]3 years ago
8 0
32 over 15 is your answer //// fjjrktjtnntntgkg
steposvetlana [31]3 years ago
5 0

Answer:

18\50

Step-by-step explanation:

When your multiplying fractions like these you always switch the second fractions numerator and demonator, the little numbers (sorry if wrong i got it from a website) on the corners of the fractions get added to the numerator.

So, you would switch the 10 and 3 in 10\3 making: 3\10, there is a 0 so you don't add anything to the numerator. In 4\5 there is a 2 by it so you add the 2 to the 4 in 4\5 making 1 1\5 or 6\5.

Now you multiply!!  6\5(or 1 1\5) x 3\10= 18\50 ^w^ have a nice day! (i tried my best with math)

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3 years ago
Write the quadratic equation whose roots are 1 and -2, and whose leading coefficient is 3.
kirill115 [55]

Answer:

  • See below

Step-by-step explanation:

<u>The quadratic equation in factored form:</u>

  • a(x - α)(x - β), where a- leading coefficient, α and β - roots

<u>We have:</u>

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<u>Substitute them to get:</u>

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<u>Converting this into standard form:</u>

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3 0
2 years ago
The solid surface area is equal to the solid volume. Find the value of x? The measurements of the rectangular prism is 9 inches
Fudgin [204]

Answer:

x=7.2

Step-by-step explanation:

Let x represent height of the prism.

We know that volume of rectangular is equal to product of its height, width and length.

\text{Surface area of rectangular prism}=2(wl+lh+hw), where w, h and l represents width, length and height respectively.

We have been given that the surface area of rectangular prism is equal to the volume of the prism. So we can set an equation as:

lwh=2(wl+lh+hw)

We are also told that the measurements of the rectangular prism is 9 inches long and 4 inches wide. Upon substituting these values in above equation, we will get:

9\cdot 4\cdot x=2(4\cdot  9+9\cdot x+x\cdot 4)

Let us solve for x.

36x=2(36+9x+4x)  

36x=2(36+13x)

36x=2(36+13x)

36x=72+26x

36x-26x=72+26x-26x

10x=72

x=\frac{72}{10}\\\\x=7.2

Therefore, the value of x is 7.2 inches.

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love history [14]

Answer:

Step-by-step explanation:

The difference is 130-150 = -20, a decrease.

-20/150 ≅ -0.133, a decrease of 13.3%

4 0
2 years ago
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