3 years ago

What is the measure of x?

Mathematics

1 answer:

tankabanditka [31]3 years ago

3 0

Answer:

Step-by-step explanation:

half of 67 i believe its correct

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Select the following statement that is true about shape a and shape b. Question 12 options: Similar—shape b has been stretched,

vagabundo [1.1K]

Answer:

Not similar -- shape B has been streched, these shapes are neither similar or congruent.

Step-by-step explanation:

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4 years ago

Hiroshi is looking to update his hat selection, and has $300 to spend. If his preferred style of hat costs $50.30 including tax,

malfutka [58]

Answer:

he can buy 5!

Step-by-step explanation:

50.30 * 5 = 251.5

if you add another hat it will be more than $300

8 0

3 years ago

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Help if you love the boiz

Ksenya-84 [330]

Answer:

I believe it's parrolelegram rectangle and square

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3 years ago

Explain whether the following given sets are closed under addition:

Ivan

Answer:

Step-by-step explanation:

a) Yes.

$\forall\ a,b\ \in\ B,\ a+b\in B\ (since\ 0+0=0)$

b) Yes

$W=\{0,1,2,3,..,\}\ (whole\ numbers)\\\forall\ a,b\ \in\ 3W,\ a+b\in 3W\\since:\\a\ \in\ 3W \Longrightarrow\ \exists\ k_1\in W | a=3*k_1\\\\b\ \in\ 3W \Longrightarrow\ \exists\ k_2\in W | b=3*k_2\\\\a+b=3*k_1+3*k_2=3*(k_1+k_2) \in 3W\\$

c) Yes

$\forall n\ \in\ \mathbb{N}: \Longrightarrow\ n+1 \in\ \mathbb{N}\\$

d) No

$3\in V , 3+3=6\notin V\\$

7 0

3 years ago

Use the x-intercept method to find all real solutions of the equation.<br> x^3-8x^2+9x+18=0

meriva

Answer:

a. $x=-1,3,\:or\:6$

Step-by-step explanation:

The given equation is;

$x^3-8x^2+9x+18=0$

To solve by the x-intercept method we need to graph the corresponding function using a graphing calculator or software.

The corresponding function is

$f(x)=x^3-8x^2+9x+18$

The solution to $x^3-8x^2+9x+18=0$ is where the graph touches the x-axis.

We can see from the graph that; the x-intercepts are;

(-1,0),(3,0) and (6,0).

Therefore the real solutions are:

$x=-1,3,\:or\:6$

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4 years ago

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