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Zanzabum
4 years ago
6

What slope is perpendicular to x + 4y = 12

Mathematics
1 answer:
myrzilka [38]4 years ago
6 0
Solve for the equation. The. Divide by 4 on both sides. And whatever you get for the slope. Write the opposite which will give you the perpendicular slope. For example: 1/4x is perpendicular to -4x
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1/2 pound : 5 days find the unit rate
juin [17]

Answer:

0.1

Step-by-step explanation:

To set this question up:

1/2 / 5

To solve this turn 5 into 5/1. Then multiply by the reciprocal. (1/5) 1/2 times 1/5 is 0.1

8 0
3 years ago
Read 2 more answers
Concentrate and water are mixed to make juice. Which is the stronger
vladimir1956 [14]

Answer:

As a fraction, A is 3/8 concentrate in final product and B is 4/11.

A is, in other words, 33/88, and B is 36/88 concentrate in the final mixture.

So Mixture B is stronger, slightly.

Note that in order to make the fractions the same denominator, we had to 'expand' each fraction with the denominator of the other fraction. After that, the numbers are really easy to compare.

7 0
3 years ago
Morgan and Kira have a number of jelly beans in a ratio 5:3. If Morgan and Kira have a total of 64 jelly beans, how many does Ki
Maurinko [17]

Answer:

Kira has 40 Jelly beans

Step-by-step explanation:

Morgan and Kira have a number of jelly beans in a ratio 5:3.

The ratio is

Morgan : Kira

5:3

The total proportion is= 5 + 3 = 8

Total number of Jelly beans that they have together is = 64 jelly beans

Hence, the number of Jellybeans that Kira has is calculated as:

5/8 × 64 jelly beans

= 40 jelly beans.

Kira has 40 Jelly beans

6 0
3 years ago
Estimate the square root to the nearest integer and tenth square root of 8
Sever21 [200]

Answer:

√

8

≈

3

Explanation:

Note that:

2

2

=

4

<

8

<

9

=

3

2

Hence the (positive) square root of  

8

is somewhere between  

2

and  

3

. Since  

8

is much closer to  

9

=

3

2

than  

4

=

2

2

, we can deduce that the closest integer to the square root is  

3

.

We can use this proximity of the square root of  

8

to  

3

to derive an efficient method for finding approximations.

Consider a quadratic with zeros  

3

+

√

8

and  

3

−

√

8

:

(

x

−

3

−

√

8

)

(

x

−

3

+

√

8

)

=

(

x

−

3

)

2

−

8

=

x

2

−

6

x

+

1

From this quadratic, we can define a sequence of integers recursively as follows:

⎧

⎪

⎨

⎪

⎩

a

0

=

0

a

1

=

1

a

n

+

2

=

6

a

n

+

1

−

a

n

The first few terms are:

0

,

1

,

6

,

35

,

204

,

1189

,

6930

,

...

The ratio between successive terms will tend very quickly towards  

3

+

√

8

.

So:

√

8

≈

6930

1189

−

3

=

3363

1189

≈

2.828427

8 0
3 years ago
Use the Distributive Property to simplify the following expression <br> -2 (x + 3)
Dmitry_Shevchenko [17]

Answer:

-2x-6

Step-by-step explanation:

-2(×+3)

-2x-2.3

-2x-6

4 0
3 years ago
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