2 years ago

Given the figure below find the values of x and z

Mathematics

1 answer:

katovenus [111]2 years ago

8 0

The answer is x = 16 and z = 93

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Can someone walk me through the steps: Steve increases his math average by 9 points over a period of 15 weeks. How many points p

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hmmm units rates are just a matter of one above the other.

in this case is points/week.

9/15 points/weeks, we can just divide 9 ÷ 15 = 0.6, or 3/5.

so 0.6 points/weeks.

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3 years ago

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2 years ago

8x-5y=21 simultaneous linear equation<br>2x+9y=-5

olya-2409 [2.1K]

Answer:

$x=2$ and $y=-1$

Step-by-step explanation:

If two equations are given, we can solve one of the equation in terms of single variable and put it in the other equation which will further give the value of x and y.

For the given equations:

$8x-5y=21$ Equation:1

$2x+9y=-5$ Equation:2

Solving equation multiply equation 2 with 4 on both the sides

$8x+36y=-20$ Equation 3

Subtracting Equation:3 from Equation:1

$8x-5y-(8x+36y)=21-(-20)\\8x-5y-8x-36y=21+20\\-41y=41\\y=-1$

Putting value of 'y' in Equation:2 which will give the value of x

$2x+9y=-5\\2x+9(-1)=-5\\2x-9=-5\\2x=4\\x=2$

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3 years ago

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trasher [3.6K]

Answer: the answer is 6x-5=36

Step-by-step explanation:

dont blame me this is how i was taught

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2 years ago

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7. Find the cube root of 8\125

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Answer:2/5

Step-by-step explanation:

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