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LenaWriter [7]
2 years ago
11

Can someone just tell me which ones are correct and which ones are wrong?

Mathematics
1 answer:
lozanna [386]2 years ago
6 0
First row all correct second rows all wrong and the first on of third row is correct be the last two are incorrect
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In the rectangle
LekaFEV [45]
In order to form triangle PQT and quadrilateral TQRS, point T must lie on line PS which is 16 cm. long.

If the ratio of PT to TS is 5:3 and the total length of PS is 16, then PT must be 10 and TS must be 6 (10 + 6 =16) and 10:6 is the same ratio as 5:3. Another way to think about it is 5/3 = 10/6.

Now you have all the lengths that you need to find the areas of the quadrilateral and the triangle.

Make sure you draw a diagram of it!!
7 0
2 years ago
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The cost of highlighters is proportional to the number of highlighters purchased. If a 4-pack of highlighters costs $2.40, what
Kaylis [27]

Answer:

$0.60 per highlighter

Step-by-step explanation:

You just do $2.40/4 and you get $0.60

5 0
3 years ago
A heated piece of metal cools according to the function c(x) = (.5)^x − 11, where x is measured in hours. A device is added that
Goryan [66]

Answer:

The temperature of metal after five years =  -18.96875

Step-by-step explanation:

Given : Function c(x) = (0.5)^x-11

where x is measured in hours

Another function is added h(x)=-x-3

therefore, the resultant function f(x)=h(x)+c(x)

f(x) = (0.5)^x-11-x-3

For x=5

f(5) = (0.5)^5-11-5-3

f(5) = (0.03125)-19

f(5) = -18.96875

Therefore, The temperature of metal after five years = -18.96875

5 0
3 years ago
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How to turn 258/300 into a fraction and decimal
photoshop1234 [79]

Answer:

0.86 and 86%

Step-by-step explanation:


4 0
3 years ago
How do you write the scientific notation of 230
MA_775_DIABLO [31]

230 is written as 2.3 × 10^2
6 0
3 years ago
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