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Mrac [35]
3 years ago
8

X − 78 = −42x = 78 − 42x = −36​

Mathematics
1 answer:
WITCHER [35]3 years ago
5 0

Answer:

x= 36

(it is positive since 78 is larger than 42, everything else is correct)

Step-by-step explanation:

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Which box will hold more?
o-na [289]

Answer:

box X with 126 sq. cm.    i hope this helps   :)

Step-by-step explanation:

okay so we have box X which is 6 * 3 * 7 = 126

then we have box Y which is 11 * 2 * 5 = 110

so box X will hold more

6 0
2 years ago
You are shopping for carpet for your living room which measures 19 feet by 12 feet. Charlie's Carpets sells carpet for $18 per s
Kamila [148]
----------------------------
Charlie's Carpets:
----------------------------
Carpet : $18/yd
Installation: $2/yd

Discount: 20% x $18 = 0.2 x 18 = $3.60
Carpet Price after discount = $18 - $3.60 = $14.40/yd²

Carpet Price with installation $14.40 + $2 = $16.40/yd²

----------------------------
Cindy's Carpet
----------------------------

Carpet = $18/yd²

Discount = 10% = 0.1 x $18 = $1.80
Price after Discount = $18 - $1.80 = $16.20/yd²

----------------------------
Summary:
----------------------------
Charlie's Carpet = $16.40/yd²
Cindy's Carpet = $16.20/yd²

CIndy's Carpet is cheaper.

----------------------------
Find Cost:
----------------------------
Length = 19 x 1/3 = 19/3 yards
Width = 12 x 1/3 = 4 yards

19/3 x 4 = 25 1/3 yd²

Cost = 25 1/3 x $16.20 = $410.40

------------------------------------------------------------------------------------
Answer: Cindy's Carpet is cheaper and it will cost $410.40.
------------------------------------------------------------------------------------

4 0
3 years ago
Valerie bought a coat at a winter half-price sale. A sales tax of $6.24 was added to the sale price, bringing the cost of the co
egoroff_w [7]

Answer:

84.24 - 6.24 = p

Step-by-step explanation:

6 0
2 years ago
Write real world problem that involves a positive and a negative value.then graph the values used in the problem on a number lin
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I got a $5000 scholarship. I spent $300 on a Nintendo Switch. How much money do I have now?
8 0
3 years ago
If \: x + y + z = 0 \: then \: show \: that \: {x}^{3} + {y}^{3 } + {z}^{3} =3xy<br>​
tankabanditka [31]

Answer:

Given

x+y+z=0

⟹x+y=−z

Cubing on both sides

(x+y) 3 =(−z) 3

⟹x 3 +y 3 +3x 2y+3xy 2 =−z 3

⟹x 3 +y 3 +3xy(x+y)=−z 3

⟹x 3+y 3+3xy(−z)=−z 3

⟹x 3 +y 3−3xyz=−z 3

⟹x 3 +y 3 +z 3 =3xyz

Step-by-step explanation:

Hope it is helpful.....

8 0
2 years ago
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