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3 years ago

Which expression is equal to ? 8 5 A. 5 8 B. 8 • 8 • 8 • 8 • 8 C. 5 • 5 • 5 • 5 • 5 • 5 • 5 • 5 D. 40

Mathematics

1 answer:

Gnesinka [82]3 years ago

7 0

Answer:

B. 8 • 8 • 8 • 8 • 8

Step-by-step explanation:

I'm gonna assume you meant 8 to the 5th power, or $8^5$ .

Step 1: Define and explain.

Remember: exponents are simply repeated multiplication.

Exponents tell you how many times to multiply the base number by itself.

---------------------------------------------------

Step 2: Solve.

$base-8$

$exponent-5$

$8^5=8*8*8*8*8$

Step 3: Conclude.

Therefore, $8^5$ is the same as $8*8*8*8*8.$

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Help if u solve this correctly I’ll give 10 points and the Brainliest

valentina_108 [34]

Answer:

A =222 in^2

Step-by-step explanation:

A trapezoid has an area given by

A =1/2 (b1+b2) h where b1 and b2 are the lengths of the bases and h is the height

A = 1/2( 21+16) *12

A = 1/2 (37) 12

A =222 in^2

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3 years ago

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natima [27]

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3 years ago

Braxton loves downloading new music he originally had 41 songs but plans to purchase 4 new songs each week. he wants to know how

ycow [4]

Answer:

$a_110=41+(110-1)4$

Step-by-step explanation:

He already has songs = 41

Since we are given that he purchase four songs every week .

So, in first week he purchase songs = 4

Initially he already has 41 songs

So, total songs after 1 week = $41+(4\times1)=45$

After 2 weeks he will have songs = $41+(4\times 2)=49$

This forms an arithmetic sequence : 41,45,49......

Formula of nth term in A.P. : $a_n=a+(n-1)d$

a = first term = 41

d = common difference = 45-41=49-45=4

Since we are required to find the new songs after110 weeks

So, n =110

Substituting values :

$a_110=41+(110-1)4$

Thus Option A is correct.

4 0

3 years ago

Sheila bought 10 1⁄2 oz of almonds for $3.36. how much did the almonds cost per ounce?

Verdich [7]

Cost per ounce means you take the cost and divide it by the cost:

3.36 / (21/2) 

division of fractions changes to the multiplication of the reciprocal: 

3.36 * (2 / 21) 

3.36 and has 21 as a factor, so let's cancel it: 

0.16 * 2 

$0.32 per ounce

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3 years ago

The line ab has midpoint (-2,4). a has coordinates (3,-2). find the coordinates of b

hodyreva [135]

Answer:

B = (-7,10)

Step-by-step explanation:

Given that , a line AB has midpoint (-2,4) and the coordinates of A is ( 3 , -2). We need to find out the coordinates of B .

Let coordinate of B be ( p,q ). We can use midpoint formula , as ,

=> Midpoint = ( x₁ + x₂ / 2 , y₁ + y₂/2 )

=> ( -2,4 ) = ( p + 3)/2 , ( q -2 )/2

On comparing ,

=> -2 = p + 3/2

=> p + 3 = -4

=> p = -3 - 4

=> p = (-7)

Also :-

=> q - 2/2 = 4

=> q -2 = 8

=> q = 8 + 2

=> q = 10

<h3>Hence the coordinates of B is ( -7,10 ) .</h3>

6 0

3 years ago