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tiny-mole [99]
3 years ago
7

Simplify (9 + 8 – 6)(4 – 5) Please show your work. Thanks for your time!

Mathematics
1 answer:
IrinaK [193]3 years ago
8 0

Answer:

-11

Step-by-step explanation:

(9+8-6)(4-5)

(17-6)(-1)

(11)(-1)

-11

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15-x=2(x+3) I need this solved and show me how you solved it
Sunny_sXe [5.5K]
15 - x = 2(x + 3)
15 - x = 2x + 6
15 = 3x + 6
9 = 3x
3 = x
x = 3
4 0
3 years ago
Simplify the numerical expression 9+3 x 8
Komok [63]

Answer:

33

Step-by-step explanation:

9+3*8=9+24=33

3 0
3 years ago
shaquana has a deck that measures 18 feet by 15 feet. She wants to increase each dimension by equal lengths so that its area tri
Svetach [21]

to increase each dimension by equal lengths so that its area triples is 12 feet.

The given dimensions are 18 feet by 15 feet.

We need to find how much should each dimension increase.

Shaquana wants to increase each dimension by equal lengths so that its area triples.

Let the increased length be x.

So, length =18+x feet and width=15+x feet.

As we know, the area of a deck=Length×Width

The original area of a deck=18×15=270 square feet.

Now, the new area of a deck=(18+x )×(15+x)=3×270

⇒270+15x+18x+x²=810 square feet

⇒x²+33x-540=0

Here, a=1, b=33 and c=-540 in x=\frac{-b\±\sqrt{b^{2-4ac} } }{2a}.

⇒x=\frac{-33\±\sqrt{33^{2} -4 \times (-540)} }{2 \times 1}

⇒x=\frac{-33\±\sqrt{1089 +2160} }{2 \times 1}=\frac{-33\±57}{2}

⇒x=-45 or x=12

Length can not be a negative integer.

Therefore, to increase each dimension by equal lengths so that its area triples is 12 feet.

To learn more about the area of a rectangle visit:

brainly.com/question/20693059.

#SPJ1

6 0
2 years ago
Write t&e fraction inorder from lest to greatest 3/6,3/4,3/8
Leno4ka [110]
3/6 = 24/48
3/4 = 36/48
3/8 = 18/48


3/8, 3/6, 3/4
4 0
3 years ago
Marcel bought a new pair of inline skates. Each
g100num [7]

Answer:

1288.05

Explanation:

41mm=r

2(pi)r=257.61

257.61x5=1288.05

4 0
3 years ago
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