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KonstantinChe [14]
4 years ago
13

PLEASE HELP ASAP!!! *problems attached

Mathematics
1 answer:
GrogVix [38]4 years ago
8 0
First one: A=5
Second one: no solution
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Alenkinab [10]
No, coordinates, are not
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4 years ago
Help meeee ndxnjxndjjjhgffug
Pavel [41]

Answer: i think its $.13

Step-by-step explanation:

3 0
4 years ago
Which of the following is the solution of One-fourth x + 5 = 7? x = 2 x = 6 x = 8 x = 12
salantis [7]
Changes made to your input should not affect the solution:

(1): "x1" was replaced by "x^1". 3 more similar replacement(s).

Step by step solution :

Step 1 :

Equation at the end of step 1 :

x + ((((3•19x2) • x6) • x8) • x12)
Step 2 :

Step 3 :

Pulling out like terms :

3.1 Pull out like factors :

57x28 + x = x • (57x27 + 1)

Trying to factor as a Sum of Cubes :

3.2 Factoring: 57x27 + 1

Theory : A sum of two perfect cubes, a3 + b3 can be factored into :
(a+b) • (a2-ab+b2)
Proof : (a+b) • (a2-ab+b2) =
a3-a2b+ab2+ba2-b2a+b3 =
a3+(a2b-ba2)+(ab2-b2a)+b3=
a3+0+0+b3=
a3+b3

Check : 57 is not a cube !!


Final result :

x • (57x27 + 1)

Processing ends successfully
5 0
3 years ago
Julia's frogs are 2 5 of the number of Rimma's frogs. If Rimma gives 1 2 of her frogs to Julia, what will be the ratio of Julia'
Ira Lisetskai [31]

Answer:

The required ratio is: 9:5

Step-by-step explanation:

Let the number of frog's Rimma has be x

Then Julia's will be \frac{2x}{5}

Now, Rimma give 1/2 of her frog to Julia means now, Rimma will have x-\frac{1}{2} frog

Then Julia's frog will be \frac{2x}{5}+\frac{1}{2}

Now, Rimma will have x-\frac{x}{2}=\frac{x}{2}

And Julia will have \frac{2x}{5}+\frac{x}{2}=\frac{4x+5}{10}=\frac{9x}{10}

Hence, the ratio of Julia's frog to Rimma's frog is \frac{\frac{9x}{10}}{\frac{x}{2}}

Ratio=\frac{9x\cdot 2}{10\cdot x}

\Rightarrow Ratio=\frac{9}{5}

The required ratio is: 9:5


6 0
3 years ago
Explain how matter and energy interact when waves are generated.
denis-greek [22]
In electromagnetic waves, energy is transferred through vibrations of electric and magnetic fields. In sound waves, energy is transferred through vibration of air particles or particles of a solid through which the sound travels. In water waves, energy is transferred through the vibration of the water particles.
8 0
3 years ago
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