2 years ago

How to solve? I prob know it I'm just stressing and panicking from all other stuff I gotta do

Mathematics

1 answer:

Nata [24]2 years ago

8 0

Left one i think thats the one

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6x + 7y = 1 8x – 3y = 25 Solve me fast explainly

Elenna [48]

Answer:

{x,y} = {89/37,-71/37}

Step-by-step explanation:

8x = 3y + 25

[2] x = 3y/8 + 25/8

Plug this in for variable x in equation [1]

[1] 6•(3y/8+25/8) + 7y = 1

[1] 37y/4 = -71/4

[1] 37y = -71

Solve equation [1] for the variable y

[1] 37y = - 71

[1] y = - 71/37

By now we know this much :

x = 3y/8+25/8

y = -71/37

Use the y value to solve for x

x = (3/8)(-71/37)+25/8 = 89/37

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2 years ago

TVs are described by the length of their diagonals. The diagonal of a TV is

elena55 [62]

Answer:

Step-by-step explanation:

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2 years ago

a vender sold a combined total of 102 sodas and hot dogs. The number of sodas sold was two times the number of hot dogs sold. Fi

maxonik [38]

Answer:

34 hotdogs were sold

68 sodas sold

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2 years ago

The formula below gives the sum of the degrees, S, of the interior angles of a polygon. If n represents the number of sides, whi

Helga [31]

Answer:

The equation representing the value of n is, $n=\frac{S}{180^{\text{o}}}+2$ .

Step-by-step explanation:

The formula to compute the sum of the degrees, S, of the interior angles of a polygon is:

$S=(n-2)\times 180^{\text{o}}$

Compute the equation of n as follows:

$S=(n-2)\times 180^{\text{o}}$

$\frac{S}{180^{\text{o}}}=(n-2)$

$n=\frac{S}{180^{\text{o}}}+2$

Thus, the equation representing the value of n is, $n=\frac{S}{180^{\text{o}}}+2$ .

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2 years ago

<img src="https://tex.z-dn.net/?f=%5Cfrac%7B33%7D%7B4-%5Csqrt%7B5%7D%20%7D" id="TexFormula1" title="\frac{33}{4-\sqrt{5} }" alt=

kvv77 [185]

The answer I got was: 12 + 3/5

Sorry I didn’t have that symbol thing on my phone so i had to use a slash.
Hope this helps :)

7 0

2 years ago