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ryzh [129]
2 years ago
6

Not sure how to go at this at all, please help.

Mathematics
2 answers:
ss7ja [257]2 years ago
8 0
Here ya go answer down below

AleksAgata [21]2 years ago
3 0

Step-by-step explanation:

Substitution means to substitute a variable with the other variable in the equation.

Like, in this equation, y = -5x.

Substituting it in the equation y = 2x - 14, we get,

=> -5x = 2x - 14

=> -7x = -14

=> 7x = 14

=> x = 2

Now, putting value of x in y = -5x, we get,

y = -5 (2) = -10

<em>Hope</em><em> </em><em>it</em><em> </em><em>helps</em><em>.</em>

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5 raised by 2- 5 (68-60)= <br> (with explanation plz)
Arlecino [84]

Step-by-step explanation:

2-5(68-60)=2-5×8=2-40=38

6 0
2 years ago
Please don't troll.. I am in desperate need of help, I will give brainliest.
nalin [4]

Answer:

A)

Step-by-step explanation:

-6x - 9/2

8 0
3 years ago
Read 2 more answers
A cell phone company has three different production sites.
dlinn [17]

Answer:

3/11

Step-by-step explanation:

given that a cell phone company has three different production sites

Site name                    1                              2                     3               Total

Production                  60%                         30%                10%             100%

Recalled                        5%                           7%                   9%                  

Prob for recall            0.003                       0.021             0.009         0.033

Total probability for recall = 0.033

Prob for recall and came from site 3 = 0.009

So required probability

= If a randomly selected cell phone has been recalled, what is the probability that it came from Site 3

=\frac{0.009}{0.033} \\=\frac{3}{11}

4 0
3 years ago
A 12 foot ladder is leaning up against a wall. If the angel made between the ladder and the ground is 80 degrees. How far up can
lorasvet [3.4K]

Answer:

<h3>11.8 feet</h3>

Step-by-step explanation:

Given

Length of the ladder = 12foot

angle of elevation = 80 degrees

Required

Height of the wall (opposite side)

The set up will form a right angled triangle where

length of the ladder is the hypotenuse

height of the wall is opposite;

Using SOH, CAH, TOA trig identity

According to SOH

sin 80 = opp/hyp

sin80 = opp/12

opp = 12sin80

opp = 11.82 feet

Hence the height of the wall is 11.8feet (to the nearest tenth)

5 0
3 years ago
4x+15=6x-5 solve for x
hram777 [196]

Answer:

x = 10

Step-by-step explanation:

Breaking down the equation

4x+15=6x-5\\4x+15-15=6x-5-15\\4x=6x-20\\4x-6x=6x-20-6x\\-2x=-20\\\frac{-2x}{-2}=\frac{-20}{-2}

Simplification

\frac{-2x}{-2}\\=\frac{2x}{2} (\frac{-x}{-y} = \frac{x}{y})\\\frac{2}{2} = 1 = x\\\\\frac{-20}{-2}\\=\frac{20}{2}\\\frac{20}{2}\\=10

6 0
2 years ago
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