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givi [52]
3 years ago
15

What is the answer? im trying to figure it out and its hurting my head

Mathematics
1 answer:
Naya [18.7K]3 years ago
3 0
7x-99=2x+1
5x=100
x=20

mark me brainliest if the answer is correct, thank you in advance :)
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A rectangular box is 6 inches wide 10 inches long and 2 inches tall how much wrapping paper is needed to cover the box exactly
stepladder [879]

Answer:

184 in²

Step-by-step explanation:

Given :

Width, w = 6 inches

Length, l = 10 inches

Height, h = 2 inches

To obtain how much wrapping paper is needed ; we take the surface area of the box

Surface area = 2(lw + lh + wh)

Surface area = 2((6*10) + (6*2) + (10*2))

Surface area = 2(60 + 12 + 20)

Surface area = 2(92)

Surface area = 184 in²

The amount of wrapping paper needed = 184 in²

7 0
3 years ago
Mr suresh had 7/9 kg of sugar. He used 1/3 of it. How much sugar did he use?​
BabaBlast [244]

1/3 * 7/9 kg = (1 * 7)/(3 * 9) kg = 7/27 kg

He used 7/27 kg of sugar.

3 0
2 years ago
How can I simplify this expression using only positive exponents ?
belka [17]
\dfrac{4}{2}\cdot\dfrac{r^3}{r^5}=2\cdot\dfrac{1}{r^2}\\\\=\dfrac{2}{r^2}
5 0
3 years ago
4 x 7= (4x3)+(4x4) is an example of what property?
Arlecino [84]

Answer:

distributed property

Step-by-step explanation:


8 0
3 years ago
Read 2 more answers
What is 3x eqauls -3x plus 2
sergiy2304 [10]

Answer:

x = \frac{1}{3} or 0.33333333

Step-by-step explanation:

3x = -3x + 2 (Given)

3x + 3x= -3x + 3x + 2 (Addition Property of Equality)

6x = 2 (Simplify)

\frac{6x}{6y} = \frac{2}{6}

x = \frac{1}{3} or 0.3333333

8 0
3 years ago
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