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Ksivusya [100]
3 years ago
5

Solve the system of linear equations. 3x−2y=1 9x−6y=3

Mathematics
1 answer:
irakobra [83]3 years ago
8 0
Get the y by itself

-2y= -3x + 1

Divide -2 to everything

y= 3/2x - 1/2


Other equation (get y by itself)

-6y= -9x + 3
y=3/2x - 1/2

Use substitution

3/2x-1/2=3/2-1/2

0=0

All real numbers (any value of x makes the equation true)
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Gary is using an indirect method to prove that segment DE is not parallel to segment BC in the triangle ABC shown below:
aliya0001 [1]
Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.

Based on the situation above the inequality will he use to contradict the assumption is <span>
4:10 ≠ 6:14</span>
if DE is parallel to BC
then
4: (4+5) = 6 : (6 + 8)
4 0
3 years ago
Read 2 more answers
Please help me out please
icang [17]

Answer:

Your answer is <em>8.06</em>.

Step-by-step explanation:

Since you're finding the hypotenuse of the triangle through Pythagorean theorem, you need to use the formula:

a² + b² = c²

Here, you have to remember that x is the same as c in the formula. c is the hypotenuse and x.

a is going to be your smallest leg, so in this case a = 4.

b is going to be your longest leg, so it is b = 7.

Now, you don't know what c yet is so you simply write it as:

4² + 7² = c²

Do the exponents.

16 + 49 = c²

Add.

65 = c²

Now you need to get the exponent away from the c. To do that, all you have to do is square root both sides.

√65 = √c2

Once you do that, you have your answer!

<u>8.0622577483 = c</u>

Now just simplify and you're done :)

<u>8.06</u>

<u />

<u />

<u />

Might sound hard now but you'll get the hang of it.

6 0
3 years ago
Maria’s hard drive holds 1.0 × megabytes of data. Larry has two hard drives, one that holds 5.1 × megabytes of data and one that
Mademuasel [1]

Answer:

D) Larry can store more data than Maria because the sum of his hard drive space is 1.28 × 10^6

Step-by-step explanation:

Maria’s hard drive holds 1.0 ×10^6 megabytes of data. Larry has two hard drives, one that holds 5.1 × 10^5 megabytes of data and one that holds 7.7 × 10^5 Which statement is true? A) Maria can store more data than Larry because 10^6 > 10^5 B) Larry can store more data than Maria because 5.1 + 7.7 = 12.8 and 12.8 > 1.0 C) Larry can store more data than Maria because the sum of his hard drive space is 1.28 ×10^5 D) Larry can store more data than Maria because the sum of his hard drive space is 1.28 ×10^6

Given:

Maria’s hard drive stores 1.0 × 10^6 megabytes of data.

Larry has two hard drives,

Hard drive A = 5.1 × 10^5 megabytes of data

Hard drive B = 7.7 × 10^5

Hard drive A = 5.1 × 10^5

Hard drive B = 7.7 × 10^5

Hard drive A + hard drive B

5.1 × 10^5 + 7.7 × 10^5

= 12.8 × 10^5

Making sure Maria's hard drive and Larry's hard drive are in the same standard form

= 1.28 × 10^6

Maria's hard drive can only store 1.0 × 10^6 megabytes of data while Larry's hard drive can store 1.28 × 10^6

Therefore,

D) Larry can store more data than Maria because the sum of his hard drive space is 1.28 × 10^6

7 0
3 years ago
Find the price per ounce rounded to the nearest cent: 1 lb 10 oz for $10.98.
Pachacha [2.7K]
Answer is C.) $0.42/oz
3 0
3 years ago
Please help! USE 3.14 as Pi please!
Fittoniya [83]
Area: 3.14*10*10
=314

Perimeter: 3.14*20
=62.8
7 0
3 years ago
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