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gtnhenbr [62]
3 years ago
15

Find the solution to the system 4x−7y=−12 −4x+3y=12

Mathematics
1 answer:
Nataly [62]3 years ago
3 0

Answer:

(x, y) = ( -51/4 , -9)

Step-by-step explanation:

if u want me to show the work lmk

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Answerrrrrrrrrrr plssssssssss
posledela

Answer:

No Solutions

Step-by-step explanation:

3 0
2 years ago
In a shipment of 22 smartphones, 2 are defective. How many ways can a quality control inspector randomly test 4 smartphones, of
Eddi Din [679]

Answer:

Therefore the required ways are =190

Step-by-step explanation:

Combination: Combination is the number of selection of items from a collection of items where the order of selection does not matter.

Total number of smartphones =22

Defective phone = 2

Non defective phone = (22-2) =20

The control inspector randomly test 4 smartphones of which 2 are defective.

Non defective phone = 2

The ways to select 2 non defective phone is

^{20}C_2=\frac{20!}{2!(20-2)!} =\frac{20!}{2!18!}=\frac{19\times 20}{2} =190

The ways to select 2 defective phone is= ^2C_2=1

Therefore the required ways are = (190×1) =190

5 0
3 years ago
Simplify 3/4(1/2×-12)+4/5​
Wittaler [7]

Answer: \frac{3}{8}x-\frac{41}{5} or  \frac{3}{8}x-8\ \frac{1}{5}

Step-by-step explanation:

Given the following expression:

\frac{3}{4}(\frac{1}{2}x-12)+\frac{4}{5}

You can follow these steps in order to simplify it:

1.  You need to apply Distributive property:

=\frac{3}{8}x-9+\frac{4}{5}

2. And now you must add the like terms. Then:

=\frac{3}{8}x-\frac{41}{5}

Therefore you get the following answer:

\frac{3}{8}x-\frac{41}{5} or  \frac{3}{8}x-8\ \frac{1}{5}

7 0
2 years ago
What is The prime factorization of 464
harkovskaia [24]
4 is your answer bud
8 0
3 years ago
Read 2 more answers
2. Jessica's grandparents gave her $2000 for college to put in a savings account until she starts
rodikova [14]

Answer:

<em>I </em>=2000(0.075)4= $600

Step-by-step explanation:

6 0
2 years ago
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