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3 years ago

Try one last time

Mathematics

1 answer:

Ierofanga [76]3 years ago

3 0

Answer:

$144

Step-by-step explanation:

divide 272 by 17 and then multiply that answer by 9

272/17 is 16

so 16 dollars an hour

multiply that by 9

you get 144

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Pls help meeee I don’t understand this at alll

balu736 [363]

Answer:

you need the formula for the cone , Korc

Step-by-step explanation:

formula for cone = $\frac{1}{3}$ *π* $r^{2}$ *h

they tell us that the diameter is 8 so r = 4

and that h = 9

volume of cone = $\frac{1}{3}$ *π* $4^{2}$ *9

VoC = 150.796

VoC = 150.8 ( to the nearest 10th)

5 0

3 years ago

Larry works across town, 24 miles from his home. On a map with a scale of 2 inches equals 3 miles, what is the distance between

Paladinen [302]

Answer:

Step-by-step explanation:

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3 years ago

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Which quadratic function has Vertex (-1,4) and passes through (4,19) <br> HELP

hichkok12 [17]

Answer:

$f(x)=\frac{3}{5}(x+1)^2+4$

Step-by-step explanation:

The equation of a quadratic function in vertex form is given by:

$f(x)=a(x-h)^2+k$

Where (h,k) is the vertex.

It was given in the question that the vertex of the parabola is (-1,4).

When we substitute the vertex into the formula we get:

$f(x)=a(x+1)^2+4$

The parabola also passes through (4,19) hence it must satisfy its equation.

$19=a(4+1)^2+4$

$19-4=a(5)^2$

$15=25a$

We divide both sides by 25 to get:

$a=\frac{15}{25}= \frac{3}{5}$

Hence the quadratic function is:

$f(x)=\frac{3}{5}(x+1)^2+4$

6 0

3 years ago

Triangle ABC has vertices A( -3, 5) B ( 6, 9) and C ( -4, - 12) in the coordinate plane. The triangle is reflected over the x- a

hichkok12 [17]

Answer:

The coordinates of triangle A"B"C" will become

A( 5,-3 ) B( 9,6 ) C( -12 ,-4 )

Step-by-step explanation:

Original vertices of triangle ABC are ;

A ( -3, 5 ) B( 6, 9 ) C ( -4, -12 )

after reflection over x-axis

A( -3,-5 ) B( 6, -9 ) C( -4,12 )

when the triangle is rotated

x coordinates becomes -y while y coordinates becomes x

The coordinates of triangle A"B"C" will become

A( 5,-3 ) B( 9,6 ) C( -12 ,-4 )

8 0

3 years ago

What is the product?

Maurinko [17]

Answer:

option C

15 14

-1 9

Step-by-step explanation:

Given in the question a 2x3 and 3x2 matrix

Since, the column of first matrix and row of second matrix is of equal integer, 3, so we can multiply them.

The resultant matrix will be of 2x2

We will use dot product

1(2) + 3(3) + 1(4) 1(-2) + 3(5) + 1(1)

-2(2) + 1(3) + 0(4) -2(-2) + 1(5) + 0(1)

15 14

-1 9

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3 years ago

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