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Montano1993 [528]
3 years ago
15

What is the additive inverse of 6x^2+x-2

Mathematics
1 answer:
Debora [2.8K]3 years ago
4 0

Answer:

brainly.com/question/11963602

Step-by-step explanation:

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Please help worth 25 points
wariber [46]

Answer:

h=6 feet

Step-by-step explanation:

Given: 1. The base of a rectangle is three feet longer than its height.

2.Are of the rectangle=54 square meters

Let us say the rectangle has height h and base(breadth) b.

Since, the base of the rectangle is three feet longer than the height, we have b=h+3.

Also, Area of the Rectangle= hb

therefore, 54=h(h+3)

54= h2+ 3h

h2+3h-54=0 (Subtract 54 from both the sides)

To find the value of h we have to solve the quadratic equation.

[We have the equation in the form ax2+bx+c=0, to factorise the equation-

Step1. Find two numbers such that their multiplication is equal to ac and their addition is equal to b.

Step2. Replace b with these numbers.

Step3. Simplify the equation]

So, h2+3h-54=0

h2+9h-6h-54=0

h(h+9)-6(h+9)=0

(h+9)(h-6)=0

Which gives-

h= -9 or h= 6

As h is the height of the rectangle, h can not be -9.

so h=6 feet

and b=h+3=9 feet

So the dimensions of the rectangle are 6 feet for the height and 9 feet for the base.

5 0
2 years ago
A jacket is marked down 55% off the original price. If the original price was $160.00, what is the sale price
allochka39001 [22]

Answer:

$88

Step-by-step explanation:

i used the calculator on my computer.

5 0
2 years ago
Plz, help me with this question!
artcher [175]

Answer:

don't know that sorry can you help me though

3 0
2 years ago
Read 2 more answers
Helppp meeeee with question 1 or can the all pleaseeee !!!
Liula [17]

Answer:

1. 2c+9=m

Step-by-step explanation:

6 0
3 years ago
Convert y + 3 = -3(x + 5) to standard form.
emmasim [6.3K]
Hi there!

y  + 3 =  - 3(x + 5)
First we need to work out the parenthesis, which can for instance be done using rainbow technique.

y + 3 =  - 3x  -  15
Now subtract 3 from both sides.

y =  - 3x  - 18
And finally add 3x to both sides.

3x + y =  - 18
The 4th answer choice is correct.



6 0
3 years ago
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