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Vikentia [17]
4 years ago
8

I seriously need help with this question!! I'm not kidding! Please help me!!

Mathematics
1 answer:
sammy [17]4 years ago
6 0

Answer:

  63

Step-by-step explanation:

The two tangents to a circle from the same point are the same length.

  SD = SG

  5x +18 = 8x -9

  27 = 3x . . . . . . . . add 9-5x

  9 = x . . . . . . . . . . divide by 3

SG = 8x -9 = 8·9 -9

SG = 63

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A farmer buys a tractor for rs.70000 and after using it for some time, he sells it at a loss of 5% to another farmer. He also se
Vedmedyk [2.9K]
  • Total loss %=10+5=15%

  • CP=70000
  • loss%=15%

Now

Loss:-

\\ \sf\longmapsto 15\%\:of\:70000

\\ \sf\longmapsto \dfrac{15}{100}(70000)

\\ \sf\longmapsto 10500

Again

\\ \sf\longmapsto SP=CP-Loss

\\ \sf\longmapsto SP=70000-10500

\\ \sf\longmapsto SP=59500

Third farmer will pay 59500

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3 years ago
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Is 0.34 rational or irrational
Delvig [45]

Yes, 0.34 is a rational number since it can be written as a fraction.

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3 years ago
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Last time, one out of every 4 students in our class was absent. This time, after Jen came back, only one out of every 5 students
VMariaS [17]

Answer: There are 20 students and 4 students are not here today.

Step-by-step explanation:

If the number of students = 4

Let the number of students be 'x'.

Fraction of students absent = \dfrac{x}{4}

If the number of students = 5

Fraction of students absent = \dfrac{x}{5}

And Jen came back,

So, the fraction of student absent is also written as

\dfrac{x}{4}-1

According to question, it becomes,

\dfrac{x}{5}=\dfrac{x}{4}-1\\\\\dfrac{x}{5}=\dfrac{x-4}{4}\\\\4x=5(x-4)\\\\4x=5x-20\\\\4x-5x=-20\\\\-x=-20\\\\x=20

Hence, there are 20 students in our school.

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3 0
3 years ago
To the nearest tenth of a precent, 78 is what precent of 82
forsale [732]

Answer:

95.1

Step-By-Step Explanation

78:82*100 =

(78*100):82 =

7800:82 = 95.12

Now we have: 78 is what percent of 82 = 95.12

Question: 78 is what percent of 82?

Percentage solution with steps:

Step 1: We make the assumption that 82 is 100% since it is our output value.

Step 2: We next represent the value we seek with x.

Step 3: From step 1, it follows that 100%=82

Step 4: In the same vein, x%=78

Step 5: This gives us a pair of simple equations:

$100\%=82(1)

$x\%=78(2)

Step 6: By simply dividing equation 1 by equation 2 and taking note of the fact that both the LHS

(left hand side) of both equations have the same unit (%); we have

100% over x% = 82 over 78

Step 7: Taking the inverse (or reciprocal) of both sides yield

x% over 100% = 78 over 82

x = 95.12%

Therefore, 78 is 95.12% of 82

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What is the solution to the following system??<br>A) (2.5,0)<br>B) (5,1)<br>C) (0,2)<br>D) (1,5)​
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Answer:

C

Step-by-step explanation:

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