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galina1969 [7]
3 years ago
8

Helppp meee

Mathematics
1 answer:
Y_Kistochka [10]3 years ago
8 0

Answer:

1. A

2. B

Step-by-step explanation:

I = Prt where I = interest, P = Principal amt, r = interest rate/100, T = time taken

I = Prt

I = 3600 × 5/100 × 4

I = 720

From I = Prt,

t =  \frac{i}{pr}  \\ t =  \frac{96 \times 100}{800 \times 4}  \\ t = 3

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Find the value using identities (302)3
Arlecino [84]

Answer:

108,000,934

1.08934×10^8

Step-by-step explanation:

(302)^3

(a+b)^3

(a+b)^3==a^3+3a^2b+3ab^2+b^3

(300+2)

(300)^3+3(300^2+2)+3(300+2^2)+2^3

27,000,000+81,000,002+8+924

108,000,002+8+924

108,000,934 or 1.08934×10^8

8 0
2 years ago
There are 110 calories per 177.4 grams of cereal X. Find how many calories are in 284.5 grams of this cereal.
Firlakuza [10]

Answer:

176 calories in 284.5 grams of cereal X

Step-by-step explanation:

110/177.4=.62

.62(284.5)=176.4

7 0
3 years ago
Express each of these numbers as a product of two fractions: 1
Murrr4er [49]
Your question is incomplete.
5 0
3 years ago
Evaluate \dfrac{e}{4}+2f-3 4e +2f−3 when e=12e=12 and f=\dfrac12f= 21<br> ​
dusya [7]

Answer:

\frac{13+\left(-3\right)^2+4\left(-3\right)+1-\left(-10-\left(-6\right)\right)}{\frac{\left(4+5\right)}{\left(4^2-3^2\left(4-3\right)-8\right)}+12}=5


Step-by-step explanation:


7 0
3 years ago
A garden in the shape of a right triangle is bordered on one side by a brick wall, on another side by a wooden fence, and on the
MAVERICK [17]
Let
x-----> the measure of the angle formed by the wooden fence and grass

we know that
in a right triangle
tan x=opposite side angle x/adjacent side angle x
opposite side angle x=13 ft
adjacent side angle x=21 ft
so
tan x=13/21x=arc tan (13/21)-----> x=31.76°------> x=32°

the answer is
32 degrees
3 0
3 years ago
Read 2 more answers
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