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3 years ago

12

You’re given two side lengths of 10 centimeters and 8 centimeters. The angle between the sides measures 40°. How many triangles

can you construct using these measurements?
A.0
B.1
C.2
D. Infinity

1 answer:

Marrrta [24]3 years ago

4 0

Why triangles though

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The midpoint of AB is M (0, -3). If the coordinates of AA are (2, 1) what are the coordinates of BB?

frez [133]

Answer:

B(-2, -7)

Step-by-step explanation:

Midpoint is (0, -3)

A(x₁, y₁) B(x₂, y₂)

A(2, 1)

$Midpoint = (\frac{x_{1} + x_{2} }{2}, \frac{y_{1} + y_{2} }{2} )\\\\Midpoint = (\frac{2+ x_{2} }{2}, \frac{1 + y_{2} }{2} )$

$(0, -3) = (\frac{2+ x_{2} }{2}, \frac{1 + y_{2} }{2} )$

$\frac{2+ x_{2} }{2} = 0\\\\2 + x_{2} = 0\ \ \ \ times\ both\ sides\ by\ 2\\x_{2} = -2\ \ \ \ subtract\ both\ sides\ by\ 2$

$\frac{1 + y_{2} }{2} = -3\\\\1 + y_{2} = -6\ \ \ \ times\ both\ sides\ by\ 2\\y_{2} = -7\ \ \ \ subtract\ both\ sides\ by\ 1$

∴ B(-2, -7)

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3 years ago

F(x)=x-1, h(x)=-x+1 find (f o h)(7)

iris [78.8K]

F•h(7)=(-7+1)-1=-7 when you have a function that looks like foh, you basically plug the equation of h in for the x value in the equation of f

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3 years ago

Find the value of n.<br>M<br>12n = 12

gtnhenbr [62]

The value of n is 2, because if u do the multiplication then ur fine

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3 years ago

The scatter plot shows the wages of employees.

Paladinen [302]

(1) The expected number of copies sold is 75

(2) The expected wage is $720

Explanation:

From the graph, we can see that x represents the number of copiers sold.

y represents the wages.

The equation of the graph is $y=6x+120$

(1) Given that an employee earn $570.

We need to determine the number of copiers sold.

Let us substitute $y=570$ in the equation $y=6x+120$ , we get,

$570=6x+120$

$450=6x$

$75=x$

Thus, the number of copiers sold is 75

(2) Given that if an employee sells 100 copiers, we need to determine the expected wage.

Let us substitute $x=100$ in the equation $y=6x+120$ , we get,

$y=6(100)+120$

$y=600+120$

$y=720$

Thus, the expected wage is $720

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4 years ago

What is the midpoint of BC?

kherson [118]

To find the midpoint, add the two x values together and divide by 2, and then do the same with the Y values.

-3 + 3 = 0

0 / 2 = 0, the X value is 0

-1 + 3 = 2

2/2 = 1, the Y value is 1

The midpoint would be (0,1)

6 0

4 years ago

Read 2 more answers