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insens350 [35]
3 years ago
14

A television and DVD player cost $1053 the cost of the television is two times the cost of the DVD player

Mathematics
1 answer:
zhuklara [117]3 years ago
7 0

Answer:

2106

Step-by-step explanation:

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Seirra found that 15 meters is equivalent to 49.2 feet which of the following is an equivalent ratio
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den301095 [7]

Answer:

#1. 105.5 because of the nine 4 goes to 5

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#3. -4.1 because of the 4 the 0 goes to 1

if the number place before the one you are rounding is 5,6,7,8,or 9you go up by one and the rest becomes zeros

if the number place before the one you are rounding is 0,1,2,3,or 4 you stay the same and the rest becomes zeros

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It will be 2.9 or 9.7
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3 years ago
A rectangle is transformed according to the rule R0, 90º. The image of the rectangle has vertices located at R'(–4, 4), S'(–4, 1
zalisa [80]
We are said that a rectangle has been transformed into the one indicated in Figure 1 according to this rule:

R_0, \ 90^{\circ}

We know that the center of rotation is origin and two rules are applied to rotate a point 90 degrees, namely:

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In this case, the rule to transform a point is:

(x,y) \rightarrow (y,-x)

This rule was already applied to form the image, so all we need to do is to reverse the answer using this formula, therefore:

For \ Q(-3,4): \\ \\ (y,-x)=(-3,4) \\ \\ \therefore y=-3 \ and \ -x=4 \therefore x=-4 \\ \\ Thus, \ the \ point \ is: \\ \\ \boxed{Q(-4,-3)}

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Applying the same previous concept but with the new rules for this case:

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By reversing the answer, we have:

For \ Q(-3,4): \\ \\ (-y,x)=(-3,4) \\ \\ \therefore -y=-3 \therefore y=3 \ and \ x=4 \\ \\ Thus, \ the \ point \ is: \\ \\ \boxed{Q(4,3)}

3 0
3 years ago
Read 2 more answers
How to solve f/45-2/9=2/9
Serhud [2]
F/45 - 2/9 = 2/9....add 2/9 to both sides
f/45 = 2/9 + 2/9
f/45 = 4/9 ...multiply both sides by 45
f = 4/9 * 45
f = 180/9
f = 20 <===
7 0
3 years ago
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