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3 years ago

HELP PICTURE SHOWN!!!!

Mathematics

1 answer:

Virty [35]3 years ago

8 0

The right answer is c because √12=2√3

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Which ordered pair is a solution to the system of equations?

enot [183]

Answer:

See below

Step-by-step explanation:

Given system:

2x - y = - 2
15x - 2y = - 7

Solve by elimination, multiply the first equation by - 2 and add up the equations:

-2(2x - y) + 15x - 2y = - 2(- 2) - 7
-4x + 2y + 15x - 2y = 4 - 7
11x = - 3
x = - 3/11

Find the value of y:

2( - 3/11) - y = - 2
-6/11 - y = - 2
y = 2 - 6/11
y = 1/11

Solution is:

( - 3/11, 1/11)

None of the answer choices is matching this solution. Something must be wrong with the given equations.

3 0

3 years ago

Fish oil contains fatty acids that are good for the heart! Some studies show that they may reduce the risk of coronary disease!

VikaD [51]

Your doctor wants you to take 12 tablets per day.

Each tablet is 250 mg, so 4 tablets make 1g.

4 tablets x 3g = 12 tablets a day

4 0

3 years ago

Read 2 more answers

PLEASE HELP!

Andru [333]

I = PRT

14,300 = (700)(0.0725)(t)
14,300 = 50.75(t)
14300/50.75 = t
281.77 = t or t = 281.77

hope this helps :)

4 0

4 years ago

D(n)= 16 5 (2) n−1

Dmitrij [34]

Answer:

See explanation

Step-by-step explanation:

Assuming you want to find the 3rd term of the geometric progression defined explicitly by $d(n)=165(2^{n-1})$ , then we have to substitute n=3 to obtain:

$d(3)=165(2^{3-1})$

This will give us:

$d(3)=165(2^2)$

We evaluate to obtain:

$d(3)=165\times4=660$

7 0

3 years ago

370 second song is divided into three parts, the beginning, the middle, and the end. The beginning is one sixth as long as the e

Alex777 [14]

Answer:

Step-by-step explanation:

The main part of the song is the end. The beginning length is based on the end and so is the middle length. The beginning length is 1/6 as long as the end, so if the end is our main unknown, x, the beginning is 1/6x. The middle is one-half as long as the end, so if the end is our main unknown, x, the middle is 1/2x. The sum of the 3 parts is 370, so:

$x+\frac{1}{6}x+\frac{1}{2}x=370$

The GCF of those denominators is 6, so multiply through every term by 6 to get rid of the fractions:

$(6)x+(6)\frac{1}{6}x+(6)\frac{1}{2}x=(6)370$

Simplifying gives us

6x + x + 3x = 2220 and

10x = 2220 so

x = 222

That means that the end is 222 seconds, the bginning is 37 seconds, and the middle is 111 seconds.

3 0

3 years ago