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4 years ago

Determine the distance between -8 and 0.

Mathematics

1 answer:

Flauer [41]4 years ago

5 0

This one's simple..
B) -8 units

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Solve the system of equations by the substitution method.

victus00 [196]

Answer:

Step-by-step explanation:

Are you certain you wrote the question accurately?—because none of the choices is correct.

rearrange 3x+y =-5 to solve for y:

y = -3x-5

substitute -3x-5 for y into the second equation:

12x + 3y = 13

12x + 3(-3x-5) = 13

12x - 9x - 15 = 13

3x = 28

x = 28/3

y = -3x-5 = -33

solution: (28/3, -33)

3 0

3 years ago

What is these answers

lianna [129]

1. 15
2. 9/14
3. 5/8
4. 2
5. 8.4*10 exponent -3
6. 90
7. 0.0025
8. -60
9. 15

For 9 I’m not that sure but I’m guessing it’s an absolute value question???

Btw can I have brainliest? Lol

7 0

2 years ago

Read 2 more answers

Identify all factors of the expression 〖4x〗^2+17x-15.

Basile [38]

The factors of given expression are: -5 and 3/4

Step-by-step explanation:

Given equation is:

$4x^2+17x-15$

Making pairs for the mid-term 17x by factoring the product of co-efficient of 4x^2 and 15

$4x^2+20x-3x-15$

$= 4x(x+5) - 3(x+5)$

$=(4x-3)(x+5)$

Now

$4x-3 = 0\\4x = 3\\x = \frac{3}{4}$

$x+5 = 0\\x = -5$

Hence,

The factors of given expression are: -5 and 3/4

Keywords: Quadratic equation, factors

Learn more about quadratic equation at:

#LearnwithBrainly

8 0

3 years ago

PLEASE HELP!!

ElenaW [278]

Answer:

-1 and -3

(n+7)(n-8)

Step-by-step explanation:

1. Find the Zeros

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

$f(x)=\left(x+1\right)\left(x+3\right)$

$x+1=0\\x=-1\\x+3=0\\x=-3$

2. Factoring Trinomials

$f(x)=n^{2} -n-56$

$f(x)=\left(n+7\right)\left(n-8\right)$

$n+7=0\\n=-7\\n-8=0\\n=8$

4 0

3 years ago

Someone buys a pen for 1.09 and paper for 2.50 how much more does the paper cost more then the pen

maks197457 [2]

Answer:1.41

Step-by-step explanation: subtraction

8 0

2 years ago

Read 2 more answers