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liubo4ka [24]
4 years ago
11

3 ( 1 - 3x =2 (-4× + 7)​

Mathematics
1 answer:
zepelin [54]4 years ago
3 0

Answer: x=59/9

<u>Simplify both sides of the equation</u>

<u></u>(3)(1)+(3)(-3x)=2((-4)(7))(Distribute)\\3+-9x=-56<u></u>

<u></u>

<u>Subtract 3 from both sides</u>

<u></u>-9x+3-3=-56-3\\-9x=-59<u></u>

<u></u>

<u>Divide both sides by -9</u>

<u></u>-9x/-9=-59/-9<u></u>

<u></u>x=59/9<u></u>

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The figure is a circle with center O.
STatiana [176]

<u>Given</u>:

Given that the circle with center O.

The radius of the circle is OB.

The chord of the circle O is PQ and the length of PQ is 12 cm.

We need to determine the length of the segment PA.

<u>Length of the segment PA:</u>

We know that, "if a radius is perpendicular to the chord, then it bisects the chord and its arc".

Thus, we have;

PA=\frac{PQ}{2}

Substituting the value PQ = 12, we get;

PA=\frac{12}{2}

PA=6 \ cm

Thus, the length of the segment PA is 6 cm.

Hence, Option d is the correct answer.

3 0
3 years ago
A roller coaster makes an angle of 55 degrees with the ground. The horizontal distance fro the crest of the hill to the bottom o
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3 years ago
I need help on that question ​
Anika [276]

Answer:

the required answer is

80 \sqrt{3}

Step-by-step explanation:

here's the solution : -

=》

4 \sqrt{5}  \times 4 \sqrt{15}

=》

4 \sqrt{5}  \times 4 \sqrt{5}  \times  \sqrt{3}

=》

4 \times 4 \times 5 \times  \sqrt{3}

=》

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3 0
3 years ago
Read 2 more answers
Do i solve this?? need help???
Arlecino [84]
A =
5 and -5
-1 and 3

¹/₃B =

-6 and 12
-7 and 7

¹/₃B + A =

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7 0
3 years ago
Solve the following system. y = x 2 - 9x + 10 and x + y + 5 = 0. The solutions are
shepuryov [24]
X+y+5=0

y=-x-5

If a solution exists y=y so we can say

x^2-9x+10=-x-5  add x+5 to both sides

x^2-8x+15=0 now factor

x^2-3x-5x+15=0

x(x-3)-5(x-3)

(x-5)(x-3) so x=3 and 5, using y=-x-5

y(3)=-8 and y(5)=-10

So the two solutions are:

(3,-8) and (5,-10)

6 0
3 years ago
Read 2 more answers
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