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3 years ago

Simplify (8y6) what’s the answer?

Mathematics

1 answer:

HACTEHA [7]3 years ago

6 0

The answer is 48 you basically just do 8 times 6 if I’m right.

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How many solutions does this linear system have?

Tanya [424]

Answer:

B (2.5, 0)

Step-by-step explanation:

2x - y = 5 (multiply all by 4)

8x- 4y = 20

-8x - 4y = - 20

eliminate the 4y

8x- 4y = 20

-8x - 4y = - 20

-------------------- –

16x = 40

x = 40/16 = 2.5

now we substitute x with 2.5

2x - y = 5

2(2.5) - y = 5

y = 0

8 0

3 years ago

Write 6:58 pm in a 24-hour time<br>format<br>

Gre4nikov [31]

Answer:

Step-by-step explanation:

Military Time 0658 is: 06:58 AM using 12-hour clock notation, 06:58 using 24-hour clock notation.

5 0

3 years ago

PLEASE HELP. NO LINKS OR U WILL BE REPORTED MAKE SURE U ARE RIGHT I WILL GIVE BRAINLY THING

dmitriy555 [2]

Answer:

The answer is B to your question

6 0

2 years ago

I need help please with this 1 problem

Lyrx [107]

Answer:

See below, please

Step-by-step explanation:

We know

$f(x) = {x}^{2} + 3x - 7$

$g(x) = 3x + 5$

$h(x) = 2 {x}^{2} - 4$

Hence

$f(g(x))$

$= {(3x + 5)}^{2} + 3 \times (3x + 5) - 7$

$= (9 {x}^{2} + 30x + 25) + (9x + 15) - 7$

$= 9 {x}^{2} + 39x + 33$

$h(g(x))$

$= 2 \times {(3x + 5)}^{2} - 4$

$2 \times (9 {x}^{2} + 30x + 25) - 4$

$= 18 {x}^{2} + 60x + 50 - 4$

$= 18 {x}^{2} + 60x + 46$

$(h - f)(x)$

$= h(x) - f(x)$

$= (2 {x}^{2} - 4) - ( {x}^{2} + 3x - 7)$

$= {x}^{2} - 3x + 3$

$(f + g)(x)$

$= f(x) + g(x)$

$= ( {x}^{2} + 3x - 7) + (3x + 5)$

$= {x}^{2} + 6x - 2$

5 0

2 years ago

The sum of two numbers is 14. One number is two less than 3 times the other.

yulyashka [42]

Answer:

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priscillacastillo2

02/10/2019

Mathematics

Middle School

answered

The sum of two numbers is 14 one number is two less than three times the other. find the numbers

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Answer

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calculista

Genius

19K answers

399.6M people helped

Answer:

The numbers are and

Step-by-step explanation:

Let

x-----> one number

y----> the other number

we know that

------> equation A

-----> equation B

Substitute equation B in equation A and solve for y

Find the value of x

8 0

3 years ago