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sergejj [24]
3 years ago
11

Simplest form of 7/9 x 21/10

Mathematics
2 answers:
boyakko [2]3 years ago
5 0
7/9 times 21/10 can become 7/3 times 7/10 which is 49/30 which is 1 19/30 at it's most reduced form since 19 is prime.
gogolik [260]3 years ago
4 0
There’s app will help you every math problem

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The Miller family visited Mama's kitchen and ordered 4 hamburgers and 3 medium fries and paid $17.35. James ordered a medium dri
Lady_Fox [76]
x-the\ cost\ of\ a\ hamburger\\y-the\ cost\ of\ a\ medium\ friest\\z-the\ cost\ of\ a\ medium\ drink\\\\ \left\{\begin{array}{ccc}4x+3y=17.35\\x+y+z=6.09&\to z=6.09-x-y\\2x+y+z=9.34\end{array}\right\\ \left\{\begin{array}{ccc}4x+3y=17.35\\2x+y+6.09-x-y=9.34\end{array}\right\\\left\{\begin{array}{ccc}4x+3y=17.35\\x=9.34-6.09\end{array}\right\\\left\{\begin{array}{ccc}4x+3y=17.35\\x=3.25\end{array}\right

\left\{\begin{array}{ccc}4\cdot11.26+3y=17.35\\x=3.25\end{array}\right\\\left\{\begin{array}{ccc}4\cdot3.25+3y=17.35\\x=3.25\end{array}\right\\\left\{\begin{array}{ccc}13+3y=17.35\\x=3.25\end{array}\right\\\left\{\begin{array}{ccc}3y=17.35-13\\x=3.25\end{array}\right\\\left\{\begin{array}{ccc}3y=4.35\\x=3.25\end{array}\right\\\left\{\begin{array}{ccc}y=1.45\\x=3.25\end{array}\right\\

\left\{\begin{array}{ccc}x=3.25\\y=1.45\\z=6.09-3.25-1.45\end{array}\right\\\left\{\begin{array}{ccc}x=3.25\\y=1.45\\z=1.39\end{array}\right\\\\\\Answer:\\Hamburger-\$3.25\\Medium\ fries-\$1.45\\Medium\ drink:\$1.39
7 0
3 years ago
Please help me!! 50 points!!!
Thepotemich [5.8K]

Answer:

I notice that it looks like a bunch of tiny triangles. I wonder why there is only one chip with hot on it. It reminds me of a pie chart used to write down data.

Step-by-step explanation:

hope that helps you :)

5 0
3 years ago
Read 2 more answers
The temperature has been going down at a constant rate. in 5 hours it went down 15 degrees. which expression best shows the temp
V125BC [204]

Answer:


Step-by-step explanation:

-15 divided by 3

4 0
3 years ago
Read 2 more answers
Help please help me with this. ​
boyakko [2]

\pi r^2h

\pi \times 7^2 \times 7

\pi \times 7^3

\displaystyle 343\pi

3 0
3 years ago
Read 2 more answers
Identify the type of triangle that can be drawn using the measures of sides 13.5 cm, 5 cm, and 9.5 cm.
KIM [24]

Answer: Scalene triangle

Step-by-step explanation:

A Scalene triangle has all of its three lengths to be different. The traingle above can not be an equilateral triangle too because all the sides aren't equal.

Also, it's not an isosceles triangle since two of its sides are not thesame. It's not a right angle triangle as the square of the hypothenuse isn't equal to the addition of the square of the other two sides.

6 0
3 years ago
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