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2 years ago

12

There were 600 soldiers in battle. The ratio of Texas soldiers to Mexican soldiers was 7 to 3, how many more Texan soldiers were

in the battle?

1 answer:

nevsk [136]2 years ago

8 0

257

.................

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Factor 16x^2 + 49. Check your work.

Shtirlitz [24]

Answer:

$16x^2+49=(x-\frac{7i}{4})(x+\frac{7i}{4})$

Step-by-step explanation:

Given : Expression $16x^2+49$

To find : Factor the expression ?

Solution :

The given expression is a quadratic function $y=ax^2+bx+c$ the solution is $x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}$

On comparing with general form,

a=16, b=0, c=49

Substitute in the formula,

$x=\frac{-0\pm\sqrt{0^2-4(16)(49)}}{2(16)}$

$x=\frac{\pm\sqrt{-3136}}{32}$

$x=\frac{\pm56i}{32}$

$x=\frac{56i}{32},\frac{-56i}{32}$

$x=\frac{7i}{4},\frac{-7i}{4}$

Factors are $(x-\frac{7i}{4}),(x+\frac{7i}{4})$

Therefore, $16x^2+49=(x-\frac{7i}{4})(x+\frac{7i}{4})$

4 0

3 years ago

What is the coefficient of 12x -50=460

kogti [31]

Answer:

12

Step-by-step explanation:

5 0

2 years ago

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Please help - Solve<br> -103=6x+17

Mazyrski [523]

Answer:

its Ans is x= -20......

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2 years ago

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Which is the better buy on potatoes?<br> 3 lbs. for $.90<br> 5 lbs. for $1.60

myrzilka [38]

Answer:

3 pounds for 90 cents.

Step-by-step explanation:

The 5 pound bag costs 32 cents a pound

The 3 pound bag is 30 cents a pound

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2 years ago

Use the graph that shows the soulution to f(x)=g(x).

Kipish [7]

Step-by-step explanation:

The solutions are the points of intersection of f(x) and g(x), which are x = 0 or x = 2.

3 0

2 years ago