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dimulka [17.4K]
4 years ago
5

HELP PLEASE!:/

Mathematics
2 answers:
Alisiya [41]4 years ago
8 0

Answer:

Option A is correct.

Step-by-step explanation:

Area of the Dart Board = 30000 mm²

Area of the Bull's eye = 700 mm²

We have to find the probability of getting a bull's eye.

Probability=\frac{Number\:of\:favorable\:outcome}{Number\:of\:total outcome}=\frac{700}{30000}=\frac{7}{300}

Now we convert this probability in percentage,

percentage=\frac{7}{300}\times100=\frac{7}{3}=2.3

Therefore, Option A is correct.

Hoochie [10]4 years ago
7 0
P(bull's-eye) = 700/30000 x 100% = 2.33% ≈ 2%

option A is the correct answer.
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The legs of a right triangle XYZ are 5 cm and 12 cm. Triangle XYZ is dilated to triangle X'Y'Z' by a scale factor of 2/3 . What
allochka39001 [22]

Assuming that the base is 5 cm and the height is 12 cm, so by dilating the legs by a scale factor of 2/3, the new dimensions are:

 

base = 5 cm * (2 / 3) = 10/3 cm

height = 12 cm * (2 / 3) = 8 cm

 

So the area of a right triangle is calculated using the formula:

A = b h / 2

A = (10/3) * 8 / 2

<span>A = 13.33 cm^2</span>

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Answer:

\huge\boxed{g(a-1)=\dfrac{2-a}{a}=\dfrac{2}{a}-1}

Step-by-step explanation:

g(t)=\dfrac{1-t}{1+t}\\\\g(a-1)-\text{substitute}\ t=a-1\ \text{to}\ g(t):\\\\g(a-1)=\dfrac{1-(a-1)}{1+(a-1)}=\dfrac{1-a-(-1)}{1+a+(-1)}=\dfrac{1-a+1}{1+a-1}=\dfrac{(1+1)-a}{(1-1)+a}=\dfrac{2-a}{a}

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3 years ago
If the endpoints of segment AB are A(-4,5) and B(2,-5),<br><br>please help! ​
nadezda [96]

Answer:

d = \sqrt[2]{34}

Step-by-step explanation:

We are solving for the segment of AB. Note that it is a line segment, so there will be end points, those being A(-4, 5) & B(2, -5).

Use the following distance formula:

<em />distance<em> </em>(d) = \sqrt{(x_{2} - x_{1})^{2} + (y_{2} - x_{2})^2 }

Let:

Point B(2 , -5) = (x₁ , y₁)

Point A(-4 , 5) = (x₂ , y₂)

Plug in the corresponding numbers to the corresponding variables.

d = \sqrt{(-4 - 2)^{2} + (5 - (-5))^{2} }

Simplify. Remember to follow PEMDAS. First, solve the parenthesis, then the powers, then add, and then finally square root.

d = \sqrt{(-6)^{2} + (5 + 5)^{2}  } \\d = \sqrt{(-6 * -6) + (10)^2} \\d = \sqrt{(36) + (10 * 10)} \\d = \sqrt{36 + (100)} \\d = \sqrt{136}

Simplify:

d = \sqrt{136} = \sqrt{2 * 2 * 2 * 17}  = \sqrt[2]{17 * 2} = \sqrt[2]{34}

d = \sqrt[2]{34} is your answer.

~

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4 years ago
2. Every month, Jenny and Gopal ________ the orphanages in China. They have been to five orphanages so far.
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Answer:

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4. B

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6. C

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9. D

10. C

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