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Arturiano [62]
3 years ago
15

2/3x-5/4y=7 solve in standard form​

Mathematics
2 answers:
Mice21 [21]3 years ago
5 0

Answer:

8x - 15y -84 = 0

Step-by-step explanation:

Eduardwww [97]3 years ago
3 0

Answer:

8x-15y=84

Step-by-step explanation:

Multiply 12 to both sides to get rid of the fractions.

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(2x + 31)<br> 33°<br> 107°<br><br> what is the value of x
mr_godi [17]

Answer:

sd755

Step-by-step explanation:

6 0
3 years ago
PLZ HELP ME!! THE PICTURE IS BELOW!! NO LINKS!!!
sineoko [7]
<h3>Answer:  A) 6.4</h3>

==========================================================

Explanation:

Refer to the diagram below. I've added the points A, B, C, D, and E. Point A is the center of the circle while points B, C and D are along the circle's edge. The radius AC and chord BD intersect at point E.

Recall that whenever we have a radius perpendicular to a chord like this, it means that the radius bisects the chord. So that means chord BD is cut into two equal pieces BE and ED. The diagram given to you tells us that ED = x, so BE is also x units long as well. Overall, BD = BE+ED = x+x = 2x units.

Since BE = ED, the arcs formed are congruent as well. Minor arc BC is the same measure as minor arc CD. Both are 45 degrees. They combine to 90 degrees. In turn, this leads to central angle DAB to be 90 degrees.

Note how triangle DAB is an isosceles right triangle. The two equal legs are the two radii AB and AD, both which are 9 units long. The hypotenuse BD is equal to sqrt(2) times the leg length, so BD = 9*sqrt(2) units long.

Earlier I mentioned that BD = 2x also. We'll equate the two right hand side expressions and solve for x like so:

2x = 9*sqrt(2)

x = (9*sqrt(2))/2

x = (9/2)*sqrt(2)

x = 4.5*sqrt(2)

x = 6.36396103067892

That value is approximate. Rounding to the nearest tenth leads to the final answer of 6.4; therefore, the answer is choice A.

8 0
3 years ago
1. convert 1011101 two to
max2010maxim [7]

Answer:

1a) 93ten

1b) 135eight

2a) 565ten

2b) 769ten

Step-by-step explanation:

1a)

1011101

7 digits long the first digit (the one that is most far right) is the ones digit or 2^0 digit and so the last digit (the most far left) is 2^6.

So to put the number in base 10 we do:

1(2^6)+0(2^5)+1(2^4)+1(2^3)+1(2^2)+0(2^1)+1(2^0)

=64+0+16+8+4+0+1

=64+16+8+4+1

=(64+16)+(8+4+1)

=80+13

=93

1b)

93

What is the hightest power of 8 in 93?

8^x=93

8^1=8

8^2=64

8^3 would be a factor of 8 too much

So how many 8^2 's are in 93?

64 goes into 93 how many times?

It's once with a remainder of 93-64=29.

So now 29...what is the highest power of 8 that goes into 29? 8^1=8.

How many times? 3(8)=24 with remainder 5.

So 93=1(8^2)+3(8^1)+5(8^0).

93=135eight

2a) 2341six

2(6^3)+3(6^2)+4(6^1)+1(6^0)

2(216)+3(36)+4(6)+1

432+108+24+1

540+25

565

2b) 30001four

3(4^4)+0(4^3)+0(4^2)+0(4^1)+1(4^0)

3(256)+0+0+0+1

768+1

769

5 0
3 years ago
I need help with this question
alex41 [277]
Since the triangle is cut in half, I’m guessing it’s 22.5
7 0
3 years ago
What is 18+ (8+4-9)= Please show step by step
8_murik_8 [283]
Answer: 21

Reasoning:

5 0
3 years ago
Read 2 more answers
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