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Nadya [2.5K]
3 years ago
14

Please help and give the reasons. Given: 4(x - 8) = 2x + 12 Prove: x = 22

Mathematics
1 answer:
statuscvo [17]3 years ago
4 0

Answer:

Step-by-step explanation:

Step 2 expansion of bracket

Step 4 grouping of like terms

Step 4 division property

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Which of the following is a coefficient in 8х + 7y<br><br> А.) 8x<br><br> B.) 8<br><br> C.) y
Alla [95]

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8

Step-by-step explanation:

A coefficient is the number that's found either multiplied or right next to the variable.

8 0
3 years ago
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Discriminant of 2x2 - 4x + 7 = 0
nika2105 [10]

Answer:

1

Step-by-step explanation:

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3 0
3 years ago
Denzel has a new puppy that weighs 12 pounds. The vet says that the puppy is now at about 20% of its adult weight. What will be
olchik [2.2K]

Answer:

60 pounds

Step-by-step explanation:

To find the adult weight, multiply 12 by 5.

Since 12 pounds is 20% of the adult weight, 100% of the adult weight would be 12 times 5.

12(5)

= 60

So, the adult weight of the puppy will be 60 pounds

7 0
2 years ago
How do you work this out?
Katarina [22]
Because ABCD is a rectangle, the length of CD is 12 cm.

We need to determine the length of DE.  If we can do that, then the sum of the lengths of CD and DE represents the unknown:  the length of CE.

To find the length of CE, we have to "solve" the upper triangle.

Here's an outline of what to do:

1.  Show that BC=AD and find the length.
2.  Note that angle CAD is 60 degrees.  Why?
3.  Note that angle EAD is 30 degrees.  Why?
4.  Find the length of ED
5.  Add ED and DC, that is, ED + 12 cm.  This is your answer.

Please ask questions if need be.
5 0
2 years ago
17h +1= [3h-7| for h.
OlgaM077 [116]

Good evening

6 0
3 years ago
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