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Degger [83]
3 years ago
14

-2(x-4)=10x+2 show ur work​

Mathematics
2 answers:
diamong [38]3 years ago
8 0

Answer:

Step-by-step explanation:

To solve for <em>x</em> you first isolate the variable you want on one side. We will do this by using PEMDAS and expanding our terms fully first before we move our terms around.

-2(x-4)=10x+2\\-2x-8=10x+2

We then isolate our term, remember to add numbers and variables to both sides so you aren't changing the value of the equation, and solve for <em>x.</em>-2x-8=10x+2\\-2x-8-2+2x=10x+2-2+2x\\-10=12x\\\frac{-10}{12}=x\\\frac{-6}{5}=x\\-1.2=x\\

kobusy [5.1K]3 years ago
3 0

Answer:

Step-by-step explanation:

-2(x-4) =10x+2

-2x--8= 10x+2

-2x+8= 10x+2

-2x+10x= 8+2

8x= 10

x= 0.8

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Find the exact solution to the equation. 7-log2(x+5) = 6
Sindrei [870]

Answer:

x = -3

Step-by-step explanation:

You can try the answers to see which works. Or, you can actually solve the equation for x.

... 7 - log2(x+5) = 6

... 1 - log2(x+5) = 0 . . . . subtract 6

... 1 = log2(x+5) . . . . . . . add log2(x+5)

... 2 = x +5 . . . . . . . . . . . take the antilog

... -3 = x . . . . . . . . . . . . . subtract 5

5 0
3 years ago
Please help me to find the solution
Musya8 [376]

Hey there! :D

We have all the given information.

We know that all the angles added up will equal <AOF.

So, from angle <A to angle <D it is 82 degrees. From <B to <E that is 68. The three top angles are the same measure, the bottom two are the same measure.

Let's let <AOB and <BOC stand for x, and <COD, <DOE, and <EOF stand for y.

We have two equations here.

2x+y= 82

x+2y= 68

We have to switch one thing around.

2x+y=82

Subtract 2x from that.

y=82-2x

Plug that into the other equation.

x+2(82-2x)=68

x+164-4x=68

164-3x=68

-3x= -96

x=32

Now we know that <AOB and <BOC are 32 degrees.

Now plug that in to find y.

2x+y=82

2(32)+y=82

64+y=82

y=18

Now we know the measure of all the smaller angles.

So, here's our last equation: (since we have 3 smaller angles and 2 larger ones)

18y+32x=

18(3)+32(2)= 118

<AOF= 18 degrees

I hope this helps!

~kaikers

3 0
4 years ago
Read 2 more answers
The area of ​​a football goal is about 18 m2 and a handball goal is about 600 dm2. How many times bigger is the football goal th
Yanka [14]

Answer:

3 times bigger

Step-by-step explanation:

600 dm2 is equivalent to 6 metres squared and the football goal is 18m2 so the football goal is three times bigger (6x3=18)

8 0
3 years ago
Please help me with this question
Musya8 [376]
I’m not sure, maybe try going on quizzes
8 0
3 years ago
Jerry poured water to a height of 1 feet into a
Elodia [21]

Since 1 cubic feet = 62 pounds, the weight of the water that Jerry put in the aquarium is 558 pounds

<h3>How to calculate the volume/weight of water</h3>

We have to find the volume of water in the aquarium.

Recall the shape of the aquarium is a rectangular prism. Therefore,

volume = lwh

where

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  • w = width
  • h  = height

Therefore,

l = 3 ft

w = 2 ft

h = 1.5 ft

volume =  3 × 2 × 1.5

volume of water = 9 ft³

Therefore,

1 ft³= 62 pounds

9 ft³ = ?

cross multiply

weight of water = 9 × 62

weight of water = 558 pounds

learn more on volume here:brainly.com/question/24357711

5 0
2 years ago
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