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faust18 [17]
3 years ago
15

F(x)=5-3x For x=1 And x=3

Mathematics
1 answer:
galben [10]3 years ago
6 0
The answer would be -4
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a rectangular doorway has a temporary support beam across its diagonal. the height of the doorway is 2 times its width. if the b
mario62 [17]

Answer:

The door has a width of 6.26 feet, with a height of 12.52 feet.

Step-by-step explanation:

You can solve this by taking two pieces of information we're given:

1) the diagonal size of the doorway is 14 feet

2) the height of the doorway twice its width

First lets describe the width and height using the diagonal length.  We can do that with the Pythagorean theorem:

w² + h² = 14²

Now we can use the relationship between the width and height to eliminate one variable:

w² + (2w)² = 14²

w² + 4w² = 14²

5w² = 196

w² = 39.2

w ≈ 6.26

So the door has a width of 6.26 feet, with a height of double that, 12.52 feet.

4 0
3 years ago
several friends each ad 2/5 of a bag of peanuts left over from a baseball game. they realized that they could have bought two fe
Anarel [89]

Well to my knowledge we need to find <span>how many people with that amount equal 2 for the amounts of peanuts. So lets go one by one.</span>


2 friends = 4/5 of a bag of peanuts left together. - 0.8 left 

<span>3 friends = 6/5 of a bag of peanuts left together. - 1.2 left </span>

<span>4 friends = 8/5 of a bag of peanuts left together. - 1.6 left </span>

<span>5 friends = 10/5 of a bag of peanuts left together. - 2 left </span>

<span>So, there are 5 friends total.         

5 friends     

:)</span>
5 0
3 years ago
Read 2 more answers
Please Help due in 1 min<br><br> No Links Allowed
hichkok12 [17]
She wrote 12 digits down
4 0
3 years ago
Can you check my answers please​
oee [108]

U got all them right congrats

4 0
3 years ago
Read 2 more answers
Simplify using the order of operations (PEMDAS)<br><br><br>-5 + 2(10)
jeyben [28]

Answer:

The answer is 15

Step-by-step explanation:

-5 + 2(10)

-5+20

=15

5 0
3 years ago
Read 2 more answers
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