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4 years ago

The linear pair postulate states that if two angles form a linear pair, then they are __________ angles.

Mathematics

1 answer:

Nataly_w [17]4 years ago

4 0

Answer: "supplementary" .
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Solve by substitution. 5x + 4y = -14 y = -7x - 15

ki77a [65]

Answer:

(-2,-1)

Step-by-step explanation:

5 0

3 years ago

What is x+y=10;y=x+10

Alenkasestr [34]

[ Answer ]

$\boxed{\bold{X \ = \ 0, \ Y \ = \ 10}}$

[ Explanation ]

System Of Equations $\bold{\left \{ {X \ + \ Y \ = \ 10} \atop {Y \ + \ X \ = \ 10}} \right.}$

-----------------------------------

[Substitute] Y = X + 10

$\bold{\begin{bmatrix}x+x+10=10\end{bmatrix}}$

Isolate x for x + x + 10 = 10: x = 0

For y = 10

Substitute x = 0

Y = 0 + 10

0 + 10 = 10

y = 10

Solutions

X = 0

Y = 10

$\boxed{\bold{[] \ Eclipsed \ []}}$

3 0

3 years ago

Write an equivalent expression for 7 + 5 k minus 2 minus 3 k + n. Which statements are true about the steps for writing the equi

Nataly [62]

Answer:

1. Combine the constant terms by adding 7 and –2.

4. Combine the like variable terms by adding the coefficients

5. 5 k and negative 3 k are like variable terms

6.The constants 7 and –2 are like terms.

7. The equivalent expression is 5 + 2 k + n.

5 0

3 years ago

If w= -1, x =6 and y= -3, find the following 3w² - 5w + 1

drek231 [11]

Answer:

Step-by-step explanation:

3(1)² - 5(1) + 1

3x3 = 9

9-5+1

9-6 = 3

8 0

3 years ago

What is the area of this figure?

Vladimir79 [104]

Answer:

97 square miles

Step-by-step explanation:

Let us divide this figure into rectangles, each of set dimensions;

$Dimensions of Rectangle A - Height ; 2 mi, Length ; 9 mi\\Area of Rectangle A - Height * Length = 2 mi * 9 mi = 18 square miles,\\\\Dimensions of Rectangle B - Height ; 2 mi + 5 mi = 7 mi, Length ; 5 mi\\Area of Rectangle B - Height * Length = 7 mi * 5 mi = 35 square miles,\\\\Dimensions of Rectangle C - Height ; 4 mi + 5 mi + 2 mi = 11 mi, Length ; 4 mi,\\Area of Rectangle C - Height * Length = 11 mi * 4 mi = 44 square miles,\\\\Area of Figure = 18 + 35 + 44 = 97 square miles$

Solution; 97 square miles

4 0

3 years ago