3 years ago

Solve. x-3=-7 I don't understand what I'm supposed to put here

Mathematics

2 answers:

REY [17]3 years ago

8 0

X would equal negative four

butalik [34]3 years ago

3 0

Answer X is equal to -4

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I need help please.

skelet666 [1.2K]

Answer:

Step-by-step explanation:

(x²-6x-3)(7x²-4x+7)= ?

Multiply each term of 2nd bracket with the 1st bracket:

=7x²(x²-6x-3) -4x(x²-6x-3) +7(x²-6x-3)

=7x^4-42x^3-21x^2-4x^3+24x^2+12x+7x^2-42x-21

Now solve the like terms:

=7x^4-46x^3+10x^2-30x-21

Therefore the answer is (x²-6x-3)(7x²-4x+7)=7x^4-46x^3+10x^2-30x-21 ....

5 0

4 years ago

Does anyone know how to answer this question I'm having a lot of trouble with it?

Helen [10]

Answer:

h = $\frac{2A}{(b+c)}$

Step-by-step explanation:

Formula for the area of a trapezoid is,

Area (A) = $\frac{1}{2}(b+c)h$

Here b and c are the bases and 'h' is the height of the trapezoid.

2A = $2[\frac{1}{2}(b+c)h]$

2A = (b + c)h

$\frac{2A}{(b+c)}=h$

Therefore, formula for the height of the trapezoid will be,

h = $\frac{2A}{(b+c)}$

5 0

3 years ago

The polynomial below is a perfect square trinomial of the form A^2-2AB+B^2. 9x^2-18x+36

baherus [9]

No, It's not.

coefficients for perfect square would be:
3² - 2(3)(6) + 6² = 9 - 36 + 36

8 0

3 years ago

Read 2 more answers

There are 8 people fishing at Lake Connor: 5 have fishing licenses, and 3 do not. An inspector chooses two of the people at rand

Elza [17]

Answer:3/28

Step-by-step explanation:

4 0

3 years ago

Will mark brainliest for whoever answers correctly

siniylev [52]

I think it is D:{5,-infinity}

6 0

3 years ago