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OlgaM077 [116]
3 years ago
11

True or false a reflection across the line y=-x

Mathematics
2 answers:
Sauron [17]3 years ago
6 0

Answer: False

Step-by-step explanation:

dedylja [7]3 years ago
4 0

Answer:

True

Step-by-step explanation:

The negative sign reflect the graph over x-axis.

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Round 246,539 to the nearest ten thousand and to the nearest hundred thousand
svetlana [45]

Answer:

Nearest ten thousand: 250,000   Nearest hundred thousand: 200,000

Step-by-step explanation:

For the nearest ten thousand, look at that place which is the 4 then look at the number next to it. Its a 6. That 6 is closer to ten than it is to 0 so you round up to the next number which is 250,000. For the hundred thousand place do the same thing. Look at the number next to it which is 4 which is closer to 0 than 10 so you round down to 200,000.

7 0
2 years ago
An online retailer sells two packages of protein bars.
krok68 [10]
In order to find the price per bar, we divide the price by the amount of bars.  For the first one:

15.37/10 = $1.54 per bar

The second package:

15.35/12 = $1.28 per bar.

The 10-pack costs $1.54 per bar and the 12-pack costs $1.28 per bar.  The 12-pack has the better price per bar.

Now, let's look at the price per ounce.  We do this in a similar way.  We find the total amount of ounces in the package, and divide the price by the number of ounces.

In the first package, we multiply 10*2.1=21.  We have 21 ounces in the first package.  Now we divide 15.37/21.  In the first package, we have 0.73 dollars per ounce.

Now, let's look at the second package.  We start by multiplying 1.4*12=16.8.  There are 16.8 ounces in the package.  Now, we divide 15.35/16.8=0.91.  So, in the second package, we have 0.91 dollars per ounce.

The cost per ounce of the 10-pack is $0.73 and the cost per ounce of the 12-pack is $0.91.  The first package has the better price per ounce.

The better explanation is the second one, because I prefer the lower price per ounce, I think that the 1st pack is the better buy.
5 0
3 years ago
20 cm<br> 16 cm<br> 10 cm<br> 12 cm<br> What is the surface area of the triangular prism?
andriy [413]

Answer:

710.48

Step-by-step explanation:

5 0
2 years ago
the length(1) of the rectangle is x2 + 2x-3 and the width(w) is 5x + 4,what is the perimeter of the rectangle​?
astra-53 [7]

Answer:

4×_3 I think this is your answer

6 0
2 years ago
In the diagram below, m = 60 and<br> m = 74. What is the measure of PTS?
PIT_PIT [208]

Answer: 67 on apex

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
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