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3 years ago

Please answer using the information provided (30 points for brainlyest)

Mathematics

1 answer:

Aleks [24]3 years ago

7 0

$8.5(3.5 + x)$

$(8.5 \times 3.5) + (8.5 \times x)$

$29.75 + 8.5x$

I honestly don't know what to do for b. Maybe it tells us that the minimum area possible is 38.25 in²? or maybe it tells us that the area of just the original photo is 29.75 in²? I don't know.

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Can someone please help with this.

Reil [10]

Answer:

Step-by-step explanation:

Sum of 2 interior angles= exterior angle so

148=56+h

h= 148-56

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2 years ago

Factor of <br> −21x^2+2x+8

Vanyuwa [196]

Answer:

-(7x + 4)(3x - 2)

Step-by-step explanation:

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5 0

3 years ago

Convert 6\5 into a mixed number

netineya [11]

6/5 into a mixed number is 5.

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3 years ago

Which expression is equivalent to (8^2)^-4

xz_007 [3.2K]

Answer:

C: $\frac{1}{8*8*8*8*8*8*8*8}$

Step-by-step explanation:

$a^{-n} = \frac{1}{a^n}$

Since a = $8^2$ :

$(8^2)^{-n} = \frac{1}{(8^2)^n} =\frac{1}{8^{2n}}$

Since n = 4 :

$(8^2)^{-4} =\frac{1}{8^{2*4}}=\frac{1}{8^{8}}=\frac{1}{8*8*8*8*8*8*8*8}$

6 0

3 years ago

While mining, Keith found a large metal bar that weighed 42 ounces. Keith was also able to determine that the bar had 30 ounces

Usimov [2.4K]

Divide the silver present in the bar by the total weight of the bar to find the percentage of silver in the bar.

$30 / 42 = 0.7142$

Multiply this decimal by 100 for the percentage.

$.7142 * 100 = 71.42$

Rounded to the nearest tenth, 71.4% of the weight of the bar is silver.

8 0

3 years ago

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