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3 years ago

Can someone help me on this please !!!

Mathematics

1 answer:

Serga [27]3 years ago

6 0

Answer:

A. 16

B. 9

C. 2

D. 5

E. 2

F. 5

G. 3

H. 1 or none

I. 1, 29

J. 1, 2,4, 11, 22, 44

K. 1, 3, 6, 16, 32, 96

L. 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72

M. 3

N. 2/5

O. 2/3

P. 4/10

Q. 2 1/2

R. 1 1/6

S. 2 2/5

T. 15/2

U. 13/3

Step-by-step explanation:

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Could anyone help me out, it’s would mean a lot.

SIZIF [17.4K]

Answer:

$x = 19$

Step-by-step explanation:

If two lines are perpendicular, they create 4 90° angles. Meaning, in this case, that m<DBC = 90 and m<DBA = 90.

We're given that m<DBE = 2x - 1 and that m<CBE = 5x - 42.

The sum of angles DBE and CBE = m<DBC = 90°

We can add the two angles and set it equal to 90 to find x

$2x - 1 + 5x - 42 = 90\\7x - 43 = 90\\7x = 133\\x = \frac{133}{7} =19$

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3 years ago

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Your answer is $17.56.

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4 years ago

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Help please will mark brainless 25 points due today

harkovskaia [24]

here's the solution,

we know that, sum of measures of each interior angle of a triangle = 180°

Figure 1.

=》

$40 + 32 + 9x + 9 = 180$

=》

$81 + 9x = 180$

=》

$9x = 180 - 81$

=》

$x = \frac{99}{9}$

=》

$x = 11$

Figure 2. 

=》

$42 + 63 + 4x + 15 = 180$

=》

$120 + 4x = 180$

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$4x = 180 - 120$

=》

$4x = 60$

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$x = \frac{60}{4}$

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$x = 15$

Figure 3.

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$45 + 45 + 3x - 21 = 180$

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$3x + 69 = 180$

=》

$3x = 180 - 69$

=》

$3x = 111$

=》

$x = \frac{111}{3}$

=》

$x = 37$

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3 years ago

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