2 years ago

Ill mark brainlist plss help

Mathematics

2 answers:

zaharov [31]2 years ago

6 0

Answer: 256

Step-by-step explanation:

never [62]2 years ago

5 0

The answer is 256 I hope you ace it

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Translate into a equation. one subtracted from two times a number is -45.

sleet_krkn [62]

Answer:

2x - 1 = -45.

Step-by-step explanation:

2x - 1 = -45 is the required equation.

x is the number.

3 0

3 years ago

Which ordered pair (a, b) is a solution to the given system of linear equations? -2a+3b=14

Stels [109]

Answer:

The solution of the system is the ordered pair (-13,-4)

Step-by-step explanation:

we have

$-2a+3b=14$ -----> equation A

$a-4b=3$ ----> equation B

Solve the system by elimination

Multiply by 2 both sides equation B

$2(a-4b)=2(3)$

$2a-8b=6$ ----> equation C

Adds equation A and equation C

$-2a+3b=14\\2a-8b=6\\-------\\3b-8b=14+6\\-5b=20\\b=-4$

<em>Find the value of a</em>

substitute the value of b in any equation (i take equation B)

$a-4(-4)=3$

$a+16=3$

$a=-13$

therefore

The solution of the system is the ordered pair (-13,-4)

6 0

3 years ago

Read 2 more answers

90 POINTS!!! PLEASEE HELP AND SHOW WORK. I WILL GIVE BRAINLIEST IF ALL WORK IS SHOWN THANKSS.

konstantin123 [22]

Answer:

18. 3.3years

Step-by-step explanation:

18. 20,000 - (20,000 - .15x) = 10,000

15% of 20,000 is 3,000

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2 years ago

Solve this please how do you select a image on brainly >~

Paladinen [302]

Answer:

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Step-by-step explanation:

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2 years ago

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I believe the answer is:

D. $15

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2 years ago