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3 years ago

8

Which method(s) can be used to solve a system of equations? Select all that apply. distributing graphing substitution formulas a

ddition modeling

1 answer:

katovenus [111]3 years ago

6 0

Distributing, formulas, and addition

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Help plsplspls asap !! :)

nlexa [21]

Answer:

lets just say the f stands for 1 and 1 times negative 4 is negative 4

and 5 will stay 5 the equation would be -4/5 so after u divide the 4 and the five you get negative 1

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2 years ago

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Proving Angles Congruent: Find the value of x. (5x+15) degrees = (6x-10) degrees

Andrew [12]

Answer:

25 = x

Step-by-step explanation:

If the angles are congruent, they are equal

5x+15 = 6x-10

Subtract 5x from each side

5x+15 -5x = 6x-5x-10

15 = x-10

Add 10 to each side

15+10 = x-10+10

25 = x

6 0

2 years ago

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Choose the correct slope of the line that passes through the points (1, −3) and (3, −5).

murzikaleks [220]

The answer is negative 1 . Because to find slope use formula . M=y2-y1/x2-x1 (1,-3) & (3,-5) -5-3/3-1=-1

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3 years ago

Need ASAP Now!! please help with answer!

puteri [66]

Answer:

$y = 1500 * 1.09^t$

Step-by-step explanation:

$\text{It should be clear that the rate of change is non-linear}$ $\text{, meaning that we can express the function in the following manner}$

$\text{y = a * b^t, where a is the initial value and b is the rate of change and t is how}$ $y = a * b^t,$ $\text{where a is the initial value and b is the rate of change and t is how many years.}$

$\text{Well, year 0 is the rate of change so we can say that a = 1500}$

$\text{Next, we divide any two consecutive year balances to find our rate of change:}$

$1635/1500 = 1.09$

$\text{Therefore, our equation looks like this:}$

$y = 1500 * 1.09^t$

8 0

2 years ago

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Using V = lwh, what is an expression for volume of the following rectangular prism? 5/2x+8. 12/x. X+4/4. Answer A.) 15/2x

Svetlanka [38]

Step 1: Substitute the expression for l, w and h in the given volume formula.

$l=\frac{5}{2x+8} ;w=\frac{12}{x}; h=\frac{x+4}{4} \\ \\ V=l*w*h\\ \\V=\frac{5}{2x+8} *\frac{12}{x}*\frac{x+4}{4}$

Step 2: Simplify the expression by multiplying the fraction.

When multiplying fractions we need to multiply the numerator with numerator and denominator with denominator.

$V=\frac{5}{2x+8} *\frac{12}{x} *\frac{x+4}{4} =\frac{5\cdot12\cdot(x+4)}{(2x+8)\cdot x\cdot4}$

Factor 2x+8 in the denominator

$V=\frac{60(x+4)}{4\cdot x\cdot 2(x+4)}$

Cancel the common factors in the numerator and denominator.

$V=\frac{15}{2x}$

6 0

3 years ago

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