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AlladinOne [14]
3 years ago
9

What is (6 + 3e)4 - 5e and 3(x - 5) + 7(x + 2) ?

Mathematics
1 answer:
Dafna11 [192]3 years ago
6 0

idk lol use photomath

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rewona [7]
She paid $30 bucks total.
8 0
3 years ago
Selene's checking account balance was -$33, and then she withdrew $42 more. What is her checking account balance after the withd
Rainbow [258]

Answer:

-75

Step-by-step explanation:

WIthdrew = Negative

-33 - 42 = -75

7 0
3 years ago
Read 2 more answers
Two congruent right triangles with sides of 3, 4, 5 are placed together so that one pair of corresponding sides touch and the re
Rom4ik [11]
It depends on which pair of the sides are touched.. if the 4s are touched then the perimeter would be 5+5+3+3=16, if the 3s are touched then the perimeter would be 5+5+4+4=18 but if the 5s are touched then it becomes a rectangle so that's irrelevant
8 0
4 years ago
Tank 1 initially contains 50 gals of water with 10 oz of salt in it, while tank 2 initially contains 20 gals of water with 15 oz
Naddik [55]
\dfrac{\mathrm dx_1}{\mathrm dt}=\dfrac{2\text{ oz}}{1\text{ gal}}\dfrac{5\text{ gal}}{1\text{ min}}-\dfrac{x_1(t)\text{ oz}}{50\text{ gal}}\dfrac{5\text{ gal}}{1\text{ min}}
\dfrac{\mathrm dx_2}{\mathrm dt}=\dfrac{x_1(t)\text{ oz}}{50\text{ gal}}\dfrac{5\text{ gal}}{1\text{ min}}-\dfrac{x_2(t)\text{ oz}}{20\text{ gal}}\dfrac{5\text{ gal}}{1\text{ min}}

\implies\begin{cases}\dfrac{\mathrm dx_1}{\mathrm dt}=10-\dfrac1{10}x_1\\\\\dfrac{\mathrm dx_2}{\mathrm dt}=\dfrac1{10}x_1-\dfrac14x_2\\\\x_1(0)=10\\\\x_2(0)=15\end{cases}
6 0
3 years ago
in a SCRABBLE game, luke drew the letters E W L N S F and O how many permutations of four of these letters are possible
Wewaii [24]

Answer:

Step-by-step explanation:

5

7 0
4 years ago
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