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ankoles [38]
3 years ago
8

Twice a number minus 25 is less than 89. Translate it into an inequality and find the solution

Mathematics
1 answer:
Dahasolnce [82]3 years ago
6 0

Answer:

2x-25<89

x<57

Step-by-step explanation:

2x-25<89

2x<89+25

2x<114

Divide by 2...

x<57

Hope this helped! Please mark brainliest :)

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Jenny bought a 5 notebooks and 2 pencils, and the total was 9 dollars.
weeeeeb [17]
You would solve this with simultaneous equations, so if we write it as:
5n + 2p = 9
3n + 2p = 6
(subtract)
2n = 3
÷ 2
notebooks = 1.5

Now you would substitute it in:
(3 × 1.5) + 2p = 6
4.5 + 2p = 6
- 4.5
2p = 1.5
÷ 2
pens = 0.75

So your final answer is notebooks are $1.50 and pens are $0.75, I hope this helps!
6 0
3 years ago
Non example of complex fraction.
Law Incorporation [45]

Answer:

42/6

Step-by-step explanation:

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6 0
3 years ago
Read 2 more answers
52 divided by what is 30
juin [17]

Answer:

x = 26/15

Step-by-step explanation:

is means equals

52 / x = 30

Multiply each side by x

52 = 30x

Divide each side by 30

52/30 = x

26/15 = x

6 0
3 years ago
ITS EASY BUT I DIDNT STUDY - PLZ HELP
SVEN [57.7K]

Answer:

B

The answer is b im doing a type limit.

6 0
3 years ago
Geometry<br><br>Need help finding A and B
MariettaO [177]

Answer:

  a = 8

  b = 4√5

Step-by-step explanation:

Corresponding sides of similar triangles are proportional.

  short side/long side = a/16 = 4/a

  a² = 64 . . . . . . multiply by 16a

  a = 8 . . . . . . take the square root

__

  hypotenuse/short side = b/4 = 20/b

  b² = 80 . . . . . . . multiply by 4b

  b = 4√5 . . . . . take the square root

_____

<em>Additional comment</em>

These relations for the right triangle can be summarized by the rule "the length of a segment that touches the hypotenuse is the geometric mean of the two hypotenuse segments it touches." In the case of b, that means ...

  b = √((4)(4+16)) = 4√5

The same sort of relation applies to the unmarked vertical segment on the left:

  c = √((16)(16+4)) = 8√5

And, we saw ...

  a = √((4)(16)) = 8

Of course, if this rule is to make sense, you need to know that the geometric mean of two numbers is the square root of their product. (In general, the geometric mean of n numbers is the n-th root of their product.)

4 0
2 years ago
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