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nasty-shy [4]
3 years ago
12

If the perimeter of a figure is doubled, then the dimensions were....?

Mathematics
1 answer:
Juliette [100K]3 years ago
5 0
They are doubled too..
You might be interested in
Which expression is the best estimate of 1/5 times 24.5
butalik [34]

Answer:

B

Step-by-step explanation:

1.2 x 3.7 nearest tenth

1 x 4 nearest whole number

B

8 0
3 years ago
The price for a TV was decreased by 20% and then by 10%. By what percent was the new price lower than the original?
Finger [1]
Let's say the tv was 100$ . Reduced by 20% means the tv is now 100 - 20 = 80% of the original price.

0.8(100) = 80$
Reduced again; by 10% means that it is now 100-10 = 90% of the 80$
0.9(80) = 72$

sale price ÷ original price

72$ / 100$ = 0.72 which is 72% of the original price. Which is a mark down of:
100 - 72 = 28%

The new price is 28% lower than the original price.

7 0
3 years ago
ms.kirk drove 164 miles in the morning and 219 miles in the afternoon.estimate the total number of miles she drove that day.
Licemer1 [7]
164+219=383 is exact for estimate round 164 to 165 or 160 and 219 to 220 so
165+220=385 or 160+220=380
3 0
3 years ago
Read 2 more answers
Solve the following system using the substitution, elimination, or graphing method for the x coordinate:
igomit [66]
Hey there!

To solve this system of equations, you will need to get one of the terms in both equations to cancel out to zero. If there isn't a term that you can cancel out, you can multiply either or both equations to make that term. There's no wrong way to do this, just as long as you make sure that you double check whether your should add or subtract. This is easier shown than explained, so refer below:

<span>  x + y = +1
5x + y = –6

</span>–1(x + y = +1)
   5x + y = –6

–x – y = –1
5x + y = –6

You can see that once we combine these equations by adding, the y term will become 0, eliminating it. This is necessary for solving the system, so make sure you do it. Also, remember to distribute the term that you need to to all of the numbers in the equation! After that, just solve for the variable that's still in the equation. 

   –x – y = –1
+ 5x + y = –6

4x + 0y = –7
4x = –7
x = –1.75

Now, just plug the value we found for x into either one of your equations in the original system as it's presented in your problem. 

x + y = 1
–1.75 + y = 1
+1.75        +1.75

y = 2.75

All that's left to do is check your point (–1.75, 2.75). If it's true for both equations, your answer is correct!

–1.75 + 2.75 = 1
<span>5(–1.75) + 2.75 = –6

</span>(–1.75, 2.75) is the solution to your system. 

Hope this helped you out! :-)
3 0
3 years ago
Find the sum of the measures of the interior angles of a convex 45-gon.​
stiks02 [169]

Answer: 7740

Step-by-step explanation: take 180(n-45) and n represents the sides

7 0
2 years ago
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