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3 years ago

Calculate (4.369 x 10^5)+(2.6 x 10^3) Write your answer in scientific notation.

Mathematics

1 answer:

Verizon [17]3 years ago

3 0

4.369x^10^5+2.6x^10^3

Simplifies to:

Let's simplify step-by-step.

4.369x^100000+2.6x^1000

There are no like terms.

Answer:

=4.369x^100000+2.6x^1000

Step-by-step explanation:

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Work must be shown for this problem! The figure shown below is a rectangle. Make sure to solve for x and BD. Give both answers b

Mila [183]

Answer:

x = 10

BD = 74

Step-by-step explanation:

Find x by setting 3x+7 equal to 37. Solve for x by subtracting 7 on both sides then divide by 3 to get x=10.

Since 37 is half of AC, multiply that by 2 to find AC or BD, which are the exact same length of 74.

7 0

3 years ago

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Michell bought 5 packs of crayons for $13.75 what's the coust of one pack?

Keith_Richards [23]

All you would do is divide for this problem so,

13.75 ÷ 5 = 2.75

So one pack would cost 2.75

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4 years ago

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This monitor has a diagonal length of 19 inches and an aspect ratio of 5:4. What are the width and height of the monitor? Round

nasty-shy [4]

<em>Rounded to the nearest tenth of an inch the Witdth of the monitor is 14.8 inches while the Height of the monitor is 11.9 inches.</em>

<h2>Explanation:</h2><h2 />

The aspect ratio is defined as:

<em>"The proportional relationship between the width and height of an image"</em>

It is usually expressed in a mathematical language as:

$x:y \\ \\ x: \ Width \\ \\ y: \ Height$

So, it is true that:

$x:y=5:4 \\ \\ or: \\ \\ \frac{x}{y}=\frac{5}{4} \\ \\ \therefore x=\frac{5y}{4}$

In this case, we know that the monitor has a diagonal length (D):

$D=19in$

So, by Pythagorean theorem:

$D^2=361 \\ \\ 361=x^2+y^2 \\ \\ Since \ x=\frac{5y}{4}$

$D^2=361 \\ \\ 361=x^2+y^2 \\ \\ Since \ x=\frac{5y}{4} \\ \\ 361=\left(\frac{5y}{4}\right)^2+y^2 \\ \\ 361=\frac{25y^2}{16}+y^2 \\ \\ \frac{41}{16}y^2=361 \\ \\ y^2=\frac{261\times 16}{41} \\ \\ y=\sqrt{140.87} \\ \\ y=11.869in$

Finding x:

$x=\frac{5(11.869)}{4} \\ \\ x=14.836in$

<em>Finally, rounded to the nearest tenth of an inch the Witdth of the monitor is 14.8 inches while the Height of the monitor is 11.9 inches.</em>

<h2>Learn more:</h2>

Pythagorean Theorem: brainly.com/question/10182890

#LearnWithBrainly

5 0

3 years ago

Can some one help me in this problem

strojnjashka [21]

I believe x=116 and z=26. 4z-40=64
4z=104
z=26
180-64=116

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3 years ago

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LUCKY_DIMON [66]