3 years ago

What is 6x-5>8x+7 but a line under the greater than sign

Mathematics

1 answer:

Ad libitum [116K]3 years ago

7 0

X<-6 with the line under it is the answer, you would flip the sign when u divide

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Keith has 4 dogs. I have 3 times as many dogs as keith. How many dogs do I have?

Darina [25.2K]

Simple, Multiply 4 and 3 to get 12

4 x 3 = 12

8 0

3 years ago

Read 2 more answers

Phân tích : x^3+2x^2y+xy^2-9x

Galina-37 [17]

Answer:

x(x+y+3)(x+y-3)

Step-by-step explanation:

x³+2x²y+xy²-9x

= x((x²+2xy+y²)-3²)

= x((x+y)² - 3²)

= x(x+y+3)(x+y-3)

3 0

3 years ago

R^2+6r-40 factor each expression

bearhunter [10]

(r + 10)(r - 4)

To double check:
r * r is r^2

10 * r = 10r; -4 * r = -4r
Combine to get 6r.

-4 * 10 = -40

3 0

3 years ago

Can someone help me pls

creativ13 [48]

Answer:

Step-by-step explanation:

caculator

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5 0

3 years ago

The sum of two numbers is -6. The difference is 16. Find the two numbers.

Bess [88]

Answer:

$-5\:\mathrm{and}\: 11$

Step-by-step explanation:

We can write the following system of equations:

$\begin{cases}x+y=6\\x-y=16\\\end{cases}$

Adding both equations together, we isolate $x$ and get:

$2x=22,\: x=11$

Plugging $x=11$ in any of the equations, we can solve for $y$ :

$11+y=6,\: y=-5$

Verify that the solution pair $(11, -5)$ works $\checkmark$

Therefore, the two numbers are $\fbox{$-5\:\mathrm{and}\: 11$}$ .

7 0

3 years ago