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Iteru [2.4K]
3 years ago
11

What is the first step in solving the following system of equations?

Mathematics
1 answer:
Alex_Xolod [135]3 years ago
3 0

Answer:

Solve the 1st equation for y and then you substitute the answer of the y value to the other equation to get the x value

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F(x)=(5x+1)(4x−8)(x+6)f, left parenthesis, x, right parenthesis, equals, left parenthesis, 5, x, plus, 1, right parenthesis, lef
andrey2020 [161]

Answer:

x=-\frac{1}{5}  \:or \: x=2 \:or\: x=-6

Step-by-step explanation:

Given f(x)=(5x+1)(4x-8)(x+6)

The zeros of the polynomial function are the point where the function f(x) equals zero.

f(x)=(5x+1)(4x-8)(x+6)=0

If abc=0, then a=0 or b=0 or c=0

Therefore:

(5x+1)(4x-8)(x+6)=0 \:means\\5x+1=0 \:or \: 4x-8=0 \:or\: x+6=0\\5x=-1 \:or \: 4x=8 \:or\: x=-6\\x=-\frac{1}{5}  \:or \: x=2 \:or\: x=-6

6 0
3 years ago
Marc makes 6 1/4 pounds of granola. He wants to freeze 3/4 of the granola. Which expressions can be used to find the number of p
kirza4 [7]

Answer:

6 1/4 x 3/4

25/4 x 3/4

Step-by-step explanation:

Marc freezes only a proportion of the pounds of granola, the expression for this proportion can be determined by multiplying the total pounds of granola by the fraction he wants to freeze

6 1/4 x 3/4

25/4 x 3/4

8 0
2 years ago
a tray is fill with several 500g bags of apples. the tray holds 8 kg in total. 5 bags of apples are sold .how many is left on th
kobusy [5.1K]
8kg=8000g

8000/500=16
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5 0
3 years ago
The space inside a circle is the ___ of the circle. circumference <br>diameter<br>area<br>radius ​
Phantasy [73]
Area is the inside of the circle
6 0
3 years ago
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79% of 67 miles is what?
KIM [24]
To do it without a calculator:

10% of 67 is 6.7
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1% of 67 is .67
<span>53.6 - .67 is 52.93 (79%)</span>
3 0
3 years ago
Read 2 more answers
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