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tatuchka [14]
3 years ago
14

(-3.5x + 1.7) + (9.1x - 0.3)=

Mathematics
1 answer:
yuradex [85]3 years ago
7 0

Answer:

5.6x+1.4

Step-by-step explanation:

(-3.5x+1.7)+(9.1x-0.3)=-3.5x+9.1x+1.7-0.3=5.6x+1.4

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You rise 15 feet for every 1000 feet you drive forward, what is the slope?
liberstina [14]
The slope is:  \frac{3}{200} .
________________________________________________________
Note:
________________________________________________________
slope = rise/ run = 15 ft/ 1000 ft ;

          = 15/1000 = (15÷15) / (1000÷15) ;

            =  1/ (200/3) = 1* (3/200) = [tex] \frac{3}{200} [/tex] .
________________________________________________________
 
3 0
3 years ago
how to write a whole number as a fraction with the denominator of 1. help my sister she is in 3 grade and she help and our mom s
anygoal [31]

Answer:

all yo udo is put the big number on top of a 1

Step-by-step explanation:

8 0
3 years ago
What is the value of x
OLEGan [10]

Answer:4,24

Step-by-step explanation:

2(4x+x)=60

10x=60

x=6

4*6=24

8 0
4 years ago
Read 2 more answers
Factor −20x² + x + 12.
nordsb [41]
The answer is -(5x-4)(4x+3)

Factor out a negative from the entire expression

   <span>−20x² + x + 12 
   = </span>−(20x² - x - 12)

Find two numbers so that they

   ⇒ Multiply to get 20 * -12 = -240
   ⇒ and add to get -1 (coefficient on x term)

These two numbers are -16 and 15 (not very obvious; might have to crunch some numbers)

We can break down the x term using -16 and 15 as coefficients on x

   −(20x² - x - 12)
   = −(20x² - 16x + 15x - 12)

We factor by grouping. Factor 4x out of 20x² - 16x and 3 out of 15x - 12 to get

   = −[ 4x(5x - 4) + 3(5x - 4) ]

Factor out (5x-4) to get

   = -(5x-4)[4x + 3]
   = -(5x-4)(4x+3)
4 0
3 years ago
MORE HELP :( acellus work
Ivenika [448]

A<u> triangle</u> is a <em>plane shape</em> bounded by three straight sides, thus it has three internal <em>angles</em>. Therefore, the required <em>values</em> are:

i. x = 40^{o}

ii. y = 120^{o}

A <em>plane shape</em> is a figure bounded by<u> straight</u> sides. Examples are triangles, squares, rectangles, rhombus, kite, trapezium, etc. A triangle is an example of a plane shape that has three<em> sides</em>, thus three <u>angles.</u> also, the sum of <em>angles</em> in a given triangle is 180^{o}.

Thus the required values of x and y can be determined as follows:

x + 20 + 120 =  180^{o}

x + 140 =  180^{o}

x =  180^{o} - 140

So that,

x = 40^{o}

Thus,

y = 20 + 120 (the sum of<em> opposite</em> angles is <em>equal</em> to an exterior angle.)

            = 120^{o}

Therefore, x = 40^{o} and y = 120^{o}

For more clafifications on sum of angles in a traingle, visit: brainly.com/question/21680544

#SPJ1

7 0
2 years ago
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