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koban [17]
3 years ago
10

On #4 I’m trying to find Arc RS and on

Mathematics
1 answer:
AnnyKZ [126]3 years ago
5 0

Answer:128

Step-by-step explanation:

If you look at the circle. The two ones that look most like rs is the 64's. Therefore using logic you can just add 64 plus 64 to get 128. Hope it helps.

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Use factoring to solve <br> 3x^2-11x-6=0
Zielflug [23.3K]

Answer:

x = -0.62 and x = 4.29

These values are approximations !

Step-by-step explanation:

You can not use Factoring to solve this equation. Perhaps you did not use the exact notation as in the original question?

Anyway, to solve it, you can still use the ABC formula.

3x²-11x-6=0

a = 3

b =-11

c = -6

x = [11 + √{121 -4(3 *-6)} ]/ 2*3

x = [11 + √{121 -4(-24)} ]/ 6

x = [11 + √{121 + 96} ]/ 6

x = [11 + √{217} ]/ 6

x = 4.29 This is an approximation !

x = [11 - √{121 -4(3 *-6)} ]/ 2*3

x = [11 - √{121 -4(-24)} ]/ 6

x = [11 - √{121 + 96} ]/ 6

x = [11 - √{217} ]/ 6

x = -0.62 This is an approximation !

extra: see the graph.

4 0
3 years ago
Helpppp me with thiiss
kirill [66]
4[3(5+2)] = 95 - 4.3

4[3(10)] = 93.7
4[30] = 93.7
120 = 93.7 ...CAN'T BE

Answer is the second one.
They are not equal
4 0
4 years ago
The tax on a bike is $22.75. If the rate is 6.5%, how much was the original price of the bike?
Vedmedyk [2.9K]

Answer:

The tax on a bike is $22.75. If the rate is 6.5%, how much was the original price of the bike?

x = Price of bike

6.5% * x = 22.75
   flip it
x = 22.75 / 6.5%

x = 350

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Four boys weighed themselves in different pairs and alone. The weights of the pairs were 110 kg, 112 kg, 113 kg, 118 kg, 121 kg,
brilliants [131]

The lost pair of weight can be found by subtracting the a known pair from

the total weight leaving the value of the lost pair.

<u>The lost weight of a pair of boys is 120 kg</u>

Reasons:

Let <em>a</em>, <em>b</em>, <em>c</em>, and <em>d</em><em> </em>represent the weights of the four boys, we have;

The number of ways of selecting pairs (two boys) of boys from a group of

four is given using combination formula as follows;

_nC_r = \dfrac{n!}{r! \cdot (n - r)!}

Which gives;

_4C_2 = \dfrac{4!}{2! \cdot (4 - 2)!} = 6

₄C₂ = 6

Therefore, the weights of the pairs are;

a + b = 110

a + c = 112

a + d = 113

b + c = 118

b + d = 121

c + d = Lost weight

  • c + d = Lost weight

a + b + c + d = 230 (given)

Therefore;

The lost weight, c + d = 230 - (a + b)

Which gives;

c + d = 230 - (110) = 120

The lost weight = c + d = 120

  • <u>The lost weight = 120 kg</u>

Learn more here:

brainly.com/question/12974932

6 0
3 years ago
Read 2 more answers
11 less than three times a number is the same as 75 less than the product of -1 and the number. Find the value of the number.​
larisa [96]

Answer: x = -16

Step-by-step explanation:

3x - 11 = -x - 75 then solve. see photo attached for work.

3 0
3 years ago
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