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Mkey [24]
3 years ago
11

Please answer i need help​

Mathematics
1 answer:
r-ruslan [8.4K]3 years ago
8 0

Answer:

\huge\boxed{\text{B) 1}}

Step-by-step explanation:

In order to find which expression is equivalent to (8^5 \times 3^{-7})^0, we need to note the order of operations.

PEMDAS tells us that when solving an equation, we'd go in this order.

<em>P</em><em>arentheses</em>

<em>E</em><em>xponents</em>

<em>M</em><em>ultiplication/</em><em>D</em><em>ivision</em>

<em>A</em><em>ddition/</em><em>S</em><em>ubtraction</em>

Using this, we'd start by evaluating what's inside the parentheses, 8^5 \times 3^{-7}. We'd then bring that value to the 0th power.

<em>Wait...</em> there's something special about bringing anything to the 0th power. Bringing anything to the 0th power makes the value 1.

It can be -5... it can be 1,000,000, any number possible, taken to the 0th power, will always be 1.

So no matter what the value inside the parentheses is, taking it to the 0th power will <u>always make it 1</u>.

Therefore, this expression is equivalent to 1.

Hope this helped!

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2 (3x+1)=17-3 (x-17)
elena-14-01-66 [18.8K]
<h2>Answer:</h2>

x =  \frac{22}{3}

<h3>alternative form:</h3>

x = 7 \frac{1}{3}  \: or \: x = 7.33333333333

<h2>Step-by-step explanation:</h2>

2(3x + 1) = 17 - 3( x - 17) \\ distribute \\  \\ 6x + 2 = 17 - 3x  + 51 \\ add \: 3x \: from \: both \: sides \\  \\ 9x + 2 = 17  +  51 \\ add \: 17 \: to \: 51 \\  \\ 9x + 2 = 68 \\ subtract \: 2 \: from \: both \: sides \\  \\ 9x = 66 \\  divide \: both \: sides \: by \: 9 \\  \\ x =  \frac{22}{3}

3 0
4 years ago
Zahra wants the equation below to have an infinite number of solutions when the missing number is placed in the box.
solniwko [45]

Answer:

box contains - 3

Step-by-step explanation:

a(x - 3) + 2x = -(x - 5) +4              Remove the brackets on both sides

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ax - 3a + 2x - 2x = -x - 2x + 9

ax - 3a = - 3x + 9

ax - 3(-3) = - 3x + 9

ax + 9 = - 3x + 9

Now if you make a = -3 then both sides with have - 3 for the x coefficient.

Any number could be put in for x and it will make the answer on both sides equal. Notice you could subtract 9 from both sides and it will not change the condition of the problem.

3 0
3 years ago
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Find the value of f(7).
nataly862011 [7]

Answer: go to 10 the over 7 right im pretty sure

Step-by-step explanation:

4 0
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As one of the groundskeepers at Gardens, Tim planted 86 myrtle trees along both sides of the entrance driveway. Of the trees he
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Answer:

Option A : 29 is the correct answer.

Step-by-step explanation:

Given that:

Number of trees planted by Tim = 86

Percent of trees with white flowers = 34%

Number of trees = 34% of 86

Number of trees = \frac{34}{100}*86

Number of trees = 0.34 * 86

Number of trees = 29.24

Rounding to nearest whole number

Number of trees = 29

Hence,

Option A : 29 is the correct answer.

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Abel is 6 feet tall and casts an 8-foot shadow. A lamppost next to him casts a 13.5-foot shadow. Use the drop-down menus to buil
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The lamp post height is 11.5 feet
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