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Aleks04 [339]
1 year ago
13

Alex, Bob and Carl go for a walk every day. If Alex doesn't wear a hat, then Bob wears

Mathematics
1 answer:
bazaltina [42]1 year ago
3 0

Answer:

Carl and Alex are wearing hats.

Step-by-step explanation:

If Bob doesn't isn't wearing a hat, then Carl is, so Carl clearly is wearing a hat.

Now let's look at Alex. If he wasn't wearing a hat, then Bob would be wearing one. (If Alex doesn't wear a hat, then Bob wears

a hat). The logical conclusion is that Alex must be wearing a hat as well.

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<img src="https://tex.z-dn.net/?f=%5Cbf%20x-17%3D-25" id="TexFormula1" title="\bf x-17=-25" alt="\bf x-17=-25" align="absmiddle"
Sonbull [250]
To solve this, add 17 to both sides:
x = -25 + 17
x = -8
5 0
2 years ago
Read 2 more answers
Consider the following equation, bh+hr=25 when solving for r
Komok [63]
Solve for r.

You want to get r by itself on one side on the equal sign.

bh + hr = 25

Subtract bh from both sides.

hr = 25 - bh

Divide h on both sides.

r = 25 - bh / h

The two h's cancel each other out.

r = 25 - b

Hope this helps!
4 0
3 years ago
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Find an equation for the nth Term of a geometric sequence where the second and fifth terms or -8 and 512, respectively
zhenek [66]

Answer:

32

Step-by-step explanation:

5 0
3 years ago
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Given f(x)=-2x-1, solve for x when f(x)=-7
Svetlanka [38]

Answer:

The answer is -15.

Step-by-step explanation:

1. 2x - 1

2. 2(-7) - 1

3. (-14) - 1

4. -15

By plugging in our x value, we are able to use PEMDAS to  multiply 2 and the value of x and then, we subtract 1 from the value we got from step 3 to get -15.

5 0
2 years ago
THIS IS MY LAST QUETSION!!!! Please help!!!
DedPeter [7]

Answer:

x=19(rounded) or 18.7882942281

Step-by-step explanation:

a^2+b^2=C^2

8^2+17^2=C^2

64+289= C^2

353=C^2

\sqrt{353} =\sqrt{C^2}\\

18.7882942281= C

19= C

7 0
2 years ago
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