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OlgaM077 [116]
3 years ago
10

Adding 8 groups of (-4) is the same as dividing 8 and (-4)​

Mathematics
2 answers:
miss Akunina [59]3 years ago
5 0

Answer:

That statement is false

Step-by-step explanation:

Scilla [17]3 years ago
3 0

Answer:

No

Step-by-step explanation:

Adding 8 groups of (-4) = -32

Dividing 8 and (-4)​ = -2

-2 doesn't equal -32

hope this helps, pls mark brainliest :D

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Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable

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tensa zangetsu [6.8K]

Answer: Given a sample of 200, we are 90% confident that the true proportion of people who watched educational TV is between 72.1% and 81.9%.

Step-by-step explanation:

\frac{154}{200} =0.77

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\sqrt{\frac{(0.77)(0.23)}{200} }=0.049

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Determine whether is a right triangle for the given vertices. Explain. Q(7, –10), R(–3, 0), S(9, –8)
andriy [413]

Answer:

Yes, It is a right triangle for the given vertices.

Step-by-step explanation:

Given:

Q(7, –10),

R(–3, 0),

S(9, –8)  

To Find:

determine whether is a rig ht triangle for the given vertices = ?

Solution:

QR=\sqrt{(-3-7)^2+(0-(-10))^2}

QR=\sqrt{(-10)^2+(10)^2}

QR=\sqrt{100+100}

QR=\sqrt{200}--------------------------(1)

QR=14.142136

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RS=\sqrt{(12)^2+(-8)^2}

RS=\sqrt{144+64}

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QS=\sqrt{(-2)^2+(-2)^2}

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QS=2.828427

According to Pythagorean Theorem,

RS^2 = QR^ +QS^2

Substituting the values,

(\sqrt{208})^2 = (\sqrt{200})^2 +(\sqrt{8})^2

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Pythagorean theorem is satisfied. Hence it is a right triangle.

8 0
3 years ago
What is the fifth term in the geometric sequence described by this explicit formula y=40×(-2)^(n-1)​
cupoosta [38]

Answer:

The fifth term is 620

Step-by-step explanation:

y=40×(-2)^(n-1)​

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y = 40 * (-2) ^ (5-1)

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5 0
3 years ago
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