3 years ago

Find DF to go with this problem .

Mathematics

1 answer:

pychu [463]3 years ago

3 0

Answer:

mDF = 72°

Step-by-step explanation:

<E = 1/2(160 - DF)

44 = 1/2(160 - DF)

88 = 160 - DF

DF = 160 - 88

DF = 72

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kherson [118]

The answer to this one would be B

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3 years ago

Suppose Z Varies directly with x and inversely with y, where x = 16, y = 4, when z = 32...............

Greeley [361]

A.)
Z = kx/y where k is a constant.
32 = 16k/4
k = 128/16
k = 8

z = 8x/y

b.)
Z = 8(21)/6
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c.)
4 = 8x/48
x = 192/8
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3 years ago

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Alex_Xolod [135]

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3 years ago

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suter [353]

Answer:

FALSE, (2, 9) is not a solution to the set of inequalities given.

Step-by-step explanation:

Simply replace x by 2 and y by 9 in the inequalities and see if the inequality is true or not:

irst inequality:

$y\geq 4x\\9\geq 4\,(2)\\9\geq 8$

so thi inequality is verified as true since 9 is larger or equal than 8

Now the second inequality:

$y$

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Therefore the answer to the question is FALSE, (2, 9) is not a solution to the set of inequalities given.

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3 years ago

What is the product of and (6+5i) and (3-7i) ? -17-27i -17+27i 53+27i 53-27i

USPshnik [31]

We are going to make the product step by step.
We have:
(6 + 5i) * (3-7i)
Multiplying:
((6) * (3)) + ((6) * (- 7i)) + ((5i) * (3)) + ((5i) * (- 7i))
Rewriting:
18 - 42i + 15i - 35i ^ 2
18 - 42i + 15i - 35 * (- 1)
18 - 42i + 15i + 35
53 - 27i
Answer:
the product of and (6 + 5i) and (3-7i) is:
53-27i

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4 years ago