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lutik1710 [3]
3 years ago
7

What value of v makes the equation 3.1v + 1 = 2.5v – 3.5 true

Mathematics
2 answers:
prohojiy [21]3 years ago
7 0

Answer:

-7.5

Step-by-step explanation:

suter [353]3 years ago
4 0

Answer:

What value of v makes the equation 3.1v + 1 = 2.5v – 3.5 TRUE? Show your work.

Step-by-step explanation:

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Perform each indicated operation
MissTica

Answer: \frac{x+6}{x-4}

Step-by-step explanation:

First you need know some general formuals of factorization such as

x^3+y^3=(x+y)(x^2-xy+y^2) so you have x^3+64=X^3+4^3=(x+4)(x^2-4x+4^2)

And, x^2-y^2=(x-y)(x+y) so you have 2x^2-32=2(x^2-16)=2(x^2-4^2)=2(x+4)(x-4)

If you use them, then you can modify your equations such as

\frac{x^3+64}{2x^2-32} ÷ \frac{x^2-4x+16}{2x+12} = \frac{(x+4)(x^2-4x+4^2)}{2(x+4)(x-4)} ÷ \frac{x^2-4x+16}{2(x+6)}  =  \frac{(x+4)(x^2-4x+4^2)}{2(x+4)(x-4)} . \frac{2(x+6)}{{x^2-4x+16}} = \frac{1}{x-4}.\frac{x+6}{1}=\frac{x+6}{x-4}

4 0
3 years ago
Please help me? _XYZ is translated 4 units up and 3 units left to yield _X_Y_Z_. What is the distance between any two correspond
natka813 [3]
<span>Every point went up 4 units and left 3 units.
</span><span>Point X on the triangle moved up 4 and left 3. That formed a right triangle with legs 4 and 3. The distance point X moved to point X', d, is the hypotenuse of the right triangle.
</span><span>Using the Pythagoras Theorem
</span><span><span>3^2</span>+<span>4^2</span>=<span>d^2
d = 5

</span></span>
7 0
3 years ago
Which property can be justified using the ratios in triangle XYZ ?
Alenkasestr [34]
The correct answer is B.

Determine and recall first the trigonometric functions:

Sin A = Opposite/Hypotenuse
Cos A = Adjacent/Hypotenuse
Tangent = Opposite/Adjacent

If for example we try to take an angle, for example the Y, then Y is opposite Y. The Hypotenuse will be the longer side which is going to denoted by X and the next side will be Adjacent which will be denoted by Z. 

Use this test to answer:

Sin Y = Y/X

where:

Y = opposite
X = hypotenuse 

Cos (90 - y) = cos (90 - 50) = cos 40

where Z = 40
we look for cos Z = Y/X

Therefore,

Sin Y = Cos (90 - Y) 

6 0
3 years ago
Read 2 more answers
Which one should I choose
Mila [183]
The best choice would be neither
3 0
3 years ago
Courtney took 10 pictures in 2 minutes. Marry took 20 pictures in 3 minutes. What is the ratio in simplest form?
N76 [4]

Answer:

The ratio at which Courtney took pictures is 10:2 which can be simplified to 5:1.

The ratio at which Marry took pictures is 20:3 which is already in its most simplified form

Step-by-step explanation:


3 0
3 years ago
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