3 years ago

What is the value of the inequality?

Mathematics

2 answers:

ankoles [38]3 years ago

6 0

Answer:

The answer is(A) -23

Step-by-step explanation:

that's it

Nostrana [21]3 years ago

5 0

A)23 Yeah that’s what I think

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Use the distributive property to demonstrate that the product of 10 and -1/5 is a negative number. Make sure to include all step

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-1(10 * (-1/5))

(-10)(1/5)

-2

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3 years ago

X 2 +10x+22=13x, squared, plus, 10, x, plus, 22, equals, 13 1) Rewrite the equation by completing the square. Your equation shou

Masteriza [31]

Answer:

(x + 5)^2 = (5 - 3)^2

Step-by-step explanation:

Given the equation;

x^2 + 10x + 22 = 13

We have;

x^2 + 10x = 13 - 22

x^2 + 10x = -9

Adding half of 10 to both sides and completing the square as usual, we have;

(x + 5)^2 = 5^2 + (-9)

(x + 5)^2 = (5 - 3)^2

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2 years ago

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SashulF [63]

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3 years ago

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If n lines are drawn in a plane, how many regions do they separate the plane into? induction

grandymaker [24]

Hello,

Let's assume i the number of lines,
u(i) the number of regions:

$u_0=1\\\\
u_1=2=1+1=1+u_0\\\\
u_2=4=2+u_1\\\\
u_3=7=3+u_2\\\\
u_4=11=4+u_3\\\\
u_5=16=5+u_4\\\\
...\\\\
\boxed{u_{n+1}=(n+1)+u_{n}}\\\\

u_{n+1}=(n+1)+n+(n-1)+...+1+u_0\\\\

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3 years ago

The ratio of fishing boats to sailboats in a bay is 8:3. There are a total of 24 sailboats in the bay. How many fishing boats ar

lianna [129]

Answer:

The number of fishing boats in the bay = 64.

Step-by-step explanation:

The total number of sailboats = 24

Let us assume the number if fishing boats in the bay = m

⇒ Ratio of fishing boats to sailboats in a bay = m : 24.

Now, the ratio of fishing boats to sailboats in a bay is 8 : 3.

So, by the RATIO OF PROPORTION:

$\frac{m}{24} = \frac{8}{3} \implies m = \frac{8}{3} \times 24 = 64$

⇒ m = 64

Hence the number of fishing boats in the bay = 64.

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2 years ago