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2 years ago

Why do the inequality signs stay the same in the last two steps of exercise 1

2 answers:

7 0

The only reason an inequality would change would be because a number is divided or multiplied by a negative number. So if it stayed the same, then it would be because there was no division or multiplication by a negative number. Hope I helped :)

nadya68 [22]2 years ago

6 0

The inequality signs stay the same when you multiply or divide a positive number

They only flip if you multiply or divide a negative number (that is in the divisor place)

hope this helps

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At a farmers market, oranges sell for $5 per bag and apples sell for $3 per

dimulka [17.4K]

Answer:

A. 3 bags of oranges, 4 bags of apples

Step-by-step explanation:

If O is number of bags of oranges and A is number of bags of apples:

O + A = 7

5O + 3A = 27

We can solve this system of equations with either substitution or elimination. I like to use substitution, but you can use whichever you prefer.

O = 7 − A

5 (7 − A) + 3A = 27

35 − 5A + 3A = 27

35 − 2A = 27

8 = 2A

A = 4

O = 7 − A

O = 3

Teresa bought 3 bags of oranges and 4 bags of apples.

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3 years ago

in a Recipe, 125 ml of milk is used for every half litre of water what is the ratio of milk to water

yanalaym [24]

Answer:

1 : 4

Step-by-step explanation:

half litre = 500 ml

Milk : water = 125 : 500

= 125 ÷ 25 : 500÷25

= 5 : 20

= 1 : 4

7 0

2 years ago

Find equivalent fraction for each given fractions.

Y_Kistochka [10]

What are the given fractions to find
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4 0

3 years ago

Read 2 more answers

Given z=4+3i evaluate z

DerKrebs [107]

Answer:

Step-by-step explanation:

Assuming we want to evaluate |z|, given that, z=4+3i.

Then, by definition of modulus,

$|x + yi| = \sqrt{ {x}^{2} + {y}^{2} }$

$|4+ 3i| = \sqrt{ {4}^{2} + {3}^{2} }$

$|4+ 3i| = \sqrt{ 16+ 9 } \\ |4+ 3i| = \sqrt{25 } \\ |4+ 3i| = 5$

Therefore the modulus be of the given complex number is 5 units

5 0

3 years ago

a number is selected at random from set (2,3,45,6,7,8,9,and 10). which event covers the entire sample space of this experiment ?

ki77a [65]

I'm not sure I understand the question. Is this worded correctly?

8 0

3 years ago