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2 years ago

Calculate the followingA)-10-(-19)+(8-16)B)-6×2+4÷2

Mathematics

2 answers:

Lelechka [254]2 years ago

3 0

Answer:

A. 1

B. -10

Step-by-step explanation:

Naddika [18.5K]2 years ago

3 0

Answer:

-10

Step-by-step explanation:

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Answer:

-3(x+10)= -x-14+2

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-2x=-12+30

-2x=-32

2x=32

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3 years ago

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3 years ago

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3 years ago

Reflect quadrilateral CJKM across the y-axis. Find the location of K'.

Montano1993 [528]

$K(1,4)\rightarrow K^{\prime}(-1,4)$

Explanation

Step 1

find the coordinate of every point of the quadrilateral

C(-3,1)

J(0,1)

K(1,4)

M(4,-2)

Step 2

When you reflect a point across the y-axis, the y-coordinate remains the same, but the x-coordinate is transformed into its opposite (its sign is changed).

$(x,y)\rightarrow reflect\text{ across y -Ax is}\rightarrow(-x,y)$

therefore

$\begin{gathered} C\mleft(-3,1\mright)\rightarrow C^{\prime}(3,1) \\ J\mleft(0,1\mright)\rightarrow J^{\prime}(0,1) \\ K\mleft(1,4\mright)\rightarrow K^{\prime}(-1,4) \\ M(4,-2)\rightarrow M^{\prime}(-4,-2) \end{gathered}$

so, the answer is

$K^{\prime}(-1,4)$

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1 year ago

Calculate the followingA)-10-(-19)+(8-16)B)-6×2+4÷2​

Calculate the followingA)-10-(-19)+(8-16)B)-6×2+4÷2