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hjlf
2 years ago
8

HELP PLEASE !!!!!!!!!!!!!

Mathematics
1 answer:
kvasek [131]2 years ago
8 0

Answer:

I believe it is y=147

Step-by-step explanation:

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Answer:

Step-by-step explanation:

4 lines of symmetry

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Solve the system using substitution<br> 8x+9y=15<br> 5x-2y=17
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3 years ago
Match each expression with an equivalent expression.
Marysya12 [62]

Answer:

6x-4y →  4.  2(3x-2y)

6-4x →    3.  2(3-2x)

6x-4x →  1. 2x

6x-4 →   2. 2(3x-2)

Step-by-step explanation:

You need to:

 Factor out 2 from 6x-4y,  then you get the equivalent expression:

=2(3x-2y) this matches with OPTION 4

Factor out 2 from 6-4y, then you get the equivalent expression:

=2(3-2x) this matches with OPTION 3

Make the subtraction for 6x-4x,  then you get the equivalent expression:

=2x this matches with OPTION 1

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3 0
2 years ago
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Calculate the side lengths a and b to two decimal places.
Zinaida [17]

Answer:

a=10.92 units

b=14.51 units

Step-by-step explanation:

We are given that c=6 units

\angle A=43^{\circ}

\angle B=115^{\circ}

We have to find the side length a and b.

We know that sum of angles of a triangle =180 degrees

\angle A+\angle B+\angle C=180

Substitute the values then we get

43+115+\angle C=180

158+\angle C=180

\angle C=180-158=22^{\circ}

sine law: \frac{a}{sin A}=\frac{b}{sin B}=\frac{c}{sin C}

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a=\frac{6}{sin 22^{\circ}}\times sin 43^{\circ}

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b=\frac{6}{sin 22^{\circ}}\times sin 115^{\circ}=14.51

b=14.51 units

6 0
3 years ago
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