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uysha [10]
4 years ago
5

2x-6y=5 x+y=2 solve the system of equations

Mathematics
2 answers:
Nina [5.8K]4 years ago
6 0
5y = 3x = 2

3x = 2

x = .66 or 2/3

5y = 2/3

y = <span>0.133</span>
zvonat [6]4 years ago
3 0
The answer is (-5/4, 13/4)
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Please help!!! I would like an explanation along with your answer. Thanks
Korvikt [17]

Answer:

x = 12/13

BC = 140/13

Step-by-step explanation:

If A is the mipoint of BC, then AB is half of BC.

AB = BC / 2

8x − 2 = (3x + 8) / 2

16x − 4 = 3x + 8

13x = 12

x = 12/13

BC = 3x + 8

BC = 3 (12/13) + 8

BC = 36/13 + 104/13

BC = 140/13

4 0
4 years ago
I’m so confused need help of the height Or the light house
Alina [70]
Use a proportion.

2.2/5.5 = 48/x

2.2x = 5.5 * 48

2.2x = 264

x = 120

Answer: 120 ft
4 0
3 years ago
Help pls pls pls pls
almond37 [142]
I have a very expert technique that is very easy to changed decimal into mixed fraction

All you have to do is nevermind of the integer sign

So we will move on to 30.75

The first is write it in word so 30.75 is thirty and seventy five hundreths

Then analyze so 30 is the whole number and 75 is numerator then 100 is the denominator

So it is 30 75/100 then simplify it to the lowest terms

= 123/4 or 30 3/5
8 0
3 years ago
A rug is shaped like a rectangle whose perimeter is 276276 ftft. the length is 5 times as long as5 times as long as the width. f
ArbitrLikvidat [17]
Width = w

Length = 5w

Given,

Perimeter = 276 ft

5w * w = 276

w² = 55.2

--- w = 7.429670248402684 ≈ 7.43 ft

--- l = 5w = 5*7.43 = <span>37.14835124201342 </span>≈ 37.15 ft


4 0
3 years ago
A publisher reports that 30% of their readers own a laptop. A marketing executive wants to test the claim that the percentage is
Ierofanga [76]

Answer:

Test statistic = - 2.29

Pvalue = 0.0110

Step-by-step explanation:

The hypothesis :

H0 : p = 0.3

H1 : p < 0.3

Test statistic :

z=pˆ−p/√p(1−p)/n

pˆ = 0.2

Z = (0.20 - 0.30) / √(0.30(1 - 0.30) / 110

Z = - 0.1 / √0.0019090

Z = - 0.1 / 0.0436931

Z = - 2.29

Test statistic = -2.29

The Pvalue :

P(Z < -2.29) = 0.0110

4 0
3 years ago
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