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Nastasia [14]
3 years ago
8

PLEASE HELP!! MATH Will mark Brainlist

Mathematics
1 answer:
nydimaria [60]3 years ago
3 0

Answer:

The area of triangle D'E'F' is four times the area of triangle DEF.

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Find the area of the circle<br> a-21.98 m2<br> b-153.86 m2<br> c-14 m2<br> d-483.13 m2
Fantom [35]

Answer:

B) 153.86 meters^{2}

Step-by-step explanation:

The formula for the area of a circle is : \pi *radius^{2}

The radius of a circle is the length from one side to the centre.

To work this out you would have to multiply pi by the radius of 7 squared, this gives you 153.94, however if using pi as in 3.14, then the answer is 153.86.

1) Multiply pi by 7 squared.

\pi *7^{2} =153.86 meters^{2}

6 0
4 years ago
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Estimating a decimal sum or difference Estimate 18.71 +5.149 by first rounding each number to the nearest tenth.​
wel

Answer: 24

Step-by-step explanation:
If you round 18.71 to the nearest tenth it = 18.7 and the other one is 5.100 or 5.1  18.7+5.1=23.8 and that rounds up to 24

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8 0
2 years ago
A can of drink costs 32p. The cost of the drink has increased to 38p.
kkurt [141]

Answer:

Jenny's percentage isn't correct

Step-by-step explanation:

You'd have to divide first:

38 / 32 = 1.1875 = (rounded) 1.19%

The percentage increase is 1.19%

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Greeley [361]

Answer:

The balance in the account increases at a rate of 2.5% each year

6 0
4 years ago
How might foreign investment be problematic for a transitioning economy?
KengaRu [80]
The foreign investment is problematic for the economy of a transitioning country because it provides profit to the foreign investors only. They use cheap labor of the developing country. Moreover, the local producers and investors are directly harmed. The major profits are going in the pockets of the other nation's investors. This also causes inflation in the country.
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