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3 years ago

HELP SOLVE THIS PLEASE

Mathematics

1 answer:

dimaraw [331]3 years ago

8 0

Add 3.6 to both sides
-0.8≥1.6x
divide both sides by 1.6
-0.5≥x
x≤-0.5
so from -0.5, go to the left

that's the first graph

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B

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3 years ago

Amery drive 50 miles in 1 hour. how many hours does he drive in 2.25 hours

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4 years ago

Last week at the park Haeather ran 4 miles in 48 minutes when she runs her next race she Hope's to improve her time by 2 minutes

Korvikt [17]

Answer:

Haeather ran at a speed of 5 miles per hour.

Step-by-step explanation:

Given that last week at the park Haeather ran 4 miles in 48 minutes, to determine what was Haeather rate of speed in miles per hour the following mathematical calculation must be performed:

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Thus, Haeather ran 1 mile every 12 minutes.

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3 years ago

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8 0

4 years ago

Consider the rectangle.

SCORPION-xisa [38]

Given:

The graph of a rectangle.

The given rectangle is dilated from the origin by a scale factor of 3.

To find:

The vertices of the image of the rectangle after the dilation.

Solution:

From the given graph it is clear that the vertices of the rectangle are A(0,2), B(0,4), C(3,4) and D(3,2).

If a figure is dilated from the origin by a scale factor of 3, then

$(x,y)\to (3x,3y)$

Using this rule, the vertices of the image are:

$A(0,2)\to A'(3(0),3(2))$

$A(0,2)\to A'(0,6)$

Similarly,

$B(0,4)\to B'(3(0),3(4))$

$B(0,4)\to B'(0,12)$

And,

$C(3,4)\to C'(3(3),3(4))$

$C(3,4)\to C'(9,12)$

And,

$D(3,2)\to D'(3(3),3(2))$

$D(3,2)\to D'(9,6)$

The vertices of the image after dilation are (0,6), (0,12), (9,12), (9,6).

Therefore, the correct options are B and F.

3 0

3 years ago