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3 years ago

Write the expression as a power and evaluate it. 8*2^7

Mathematics

2 answers:

stiv31 [10]3 years ago

6 0

Answer:

1024 fufufhdjdjyfdhfyehshyfydhsje

cluponka [151]3 years ago

4 0

Answer:

1024

Step-by-step explanation:

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Kris and Micky are running laps around the same track. Kris can run one lap in 8 minutes but Micky takes 12 minutes. If they bot

Nat2105 [25]

Answer:

4minutes,I think. that is the answer

6 0

3 years ago

Can you please help me i will mark brainliest if its right AND NO LINKS

Ne4ueva [31]

Answer:

Step-by-step explanation:

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7 0

3 years ago

Read 2 more answers

The lengths of two sides of a right triangle are 12 inches and 15 inches. What is the difference between the two possible length

Mademuasel [1]

Answer:

10.2 inches

Step-by-step explanation:

we know that

In this problem we have two cases

First case

The given lengths are two legs of the right triangle

$a=12\ in, b=15\ in$

Applying the Pythagoras Theorem

Find the length of the hypotenuse

$c^{2}=a^{2} +b^{2}$

substitute

$c^{2}=12^{2} +15^{2}$

$c^{2}=369$

$c=19.2\ in$

Second case

The given lengths are one leg and the hypotenuse

$a=12\ in, c=15\ in$

Applying the Pythagoras Theorem

Find the length of the other leg

$b^{2}=c^{2} - a^{2}$

substitute

$b^{2}=15^{2} - 12^{2}$

$b^{2}=81$

$b=9\ in$

Find the difference between the two possible lengths of the third side of the triangle

$19.2-9=10.2\ in$

3 0

4 years ago

Read 2 more answers

The length of a rectangular storage room is 3 feet longer than its width. if the area of the room is 40 square feet, find the wi

xenn [34]

Answer:

Width of rectangular storage room= 5 feet.

Step-by-step explanation:

Let x be the width of storage room.

We have been given that the length of a rectangular storage room is 3 feet longer than its width. So the length of storage room will be x+3.

We are also given that the area of the room is 40 square feet.

Since the area of a rectangle is length times width.

$\text{Area of rectangle}=\text{Length* Width}$

Let us substitute our given values in area formula.

$40=x*(x+3)$

Upon distributing x we will get,

$40=x^2+3x$

$x^2+3x-40=0$

Now let us factor out our quadratic equation using splitting the middle term.

$x^2+8x-5x-40=0$

$x(x+8)-5(x+8)=0$

$(x+8)(x-5)=0$

$x+8=0$ or $x-5=0$

$x=-8$ or $x=5$

Since width can not be negative, therefore, the width of rectangle will be 5 feet.

Let us verify our answer.

Length of rectangular storage room is 3 feet longer than its width. So length will be 5+3=8.

Given: Area=40 square feet.

5*8=40.

Hence, width of rectangular storage room is 5 feet.

7 0

3 years ago

What is the value of in e^4 0 O 0 0 1 e

natita [175]

Bruhsjajshahahahabbababqqbabbababa

3 0

3 years ago