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3 years ago

14) M is the midpoint of line segment ST. Point M has coordinates (3,6), and point

1 answer:

5 0

The coordinate of T is (2.5, 5)

Use the midpoint formula:
(X1+X2)/2=X
(Y1+Y2)/2=Y

(1 + x)/2=3
0.5 + x = 3
X=2.5

(2 + y)/2= 6
1 + y =6
Y=5

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Which of the following equations is equivalent to x - y = 5?

Masja [62]

Answer:

$6x-6y=30$

Step-by-step explanation:

The complete options are

a) x - 2y = 30

b) 4x - 3y = 30

c) 3x - 4y = 30

d) 6x - 6y = 30

The given equation is

$x-y=5$

Verify option d

we have

$6x-6y=30$

Divide by 6 both sides

$(6x-6y)/6=30/6$

$\frac{6x}{6}-\frac{6y}{6}=\frac{30}{6}$

$x-y=5$

therefore

$x-y=5$ and $6x-6y=30$ are equivalent

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3 years ago

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KATRIN_1 [288]

Answer:

{(3, -1), (7, 1), (-6, -1), (9, 1), (2, -1)}

Step-by-step explanation:

Any relation having repetitive x-coordinates, is NOT a function.

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3 years ago

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Alekssandra [29.7K]

3√-64 = -4

The answer is -4.

7 0

3 years ago

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lesya692 [45]

Answer:

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2 years ago

Solve for x. Round to the nearest tenth if necessary.

timofeeve [1]

Answer: 41.1

Step-by-step explanation:

To find the value of x, we need to use SOH-CAH-TOA. SOH-CAH-TOA is since, cosine, and tangent. The O, A, H stands for opposite, adjacent, and hypotenuse respectively.

Looking at the figure, we see 47°. The labelled angles are adjacent and the hypotenuse. Therefore, we use CAH or cosine.

$cos(47)=\frac{28}{x}$ [multiply both sides by x]

$xcos(47)=28$ [divide both sides by cos(47)]

$x=\frac{28}{cos(47)}$

When we plug that into a calculator, we get x=41.1.

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3 years ago

Read 2 more answers