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Stella [2.4K]
3 years ago
13

Evaluate 7^2 + (4x5) - 2^3

Mathematics
1 answer:
Phoenix [80]3 years ago
7 0

So it would be 49+(20)+8

= 77

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What is 4/5 times 1/2 times 1/3
vovikov84 [41]

Answer:

2/15

Step-by-step explanation:

Step 1: 4/5 x 1/2 = 2/5

Step 2: 2/5 x 1/3= 2/15


Hope this helped!


4 0
3 years ago
Read 2 more answers
Whats the nth term of -1 -2 -3 -4 -5 ?
Fofino [41]

Answer:

4n + 3

Step-by-step explanation:

d = (-5) - (-1)

= (-5) + 1

= (-4)

dn + (a - d)

4(n) + [(-1) - (-4)]

4n + [(-1) + 4]

<u>4n + 3</u>

5 0
2 years ago
How many atoms are in the given sample 214.1 g of Vanadium
lord [1]

Answer:

The atomic weight (or atomic mass) of Vanadium is 50.9415 which means that a "mole" of Vanadium atoms (6.02 x 10^23 atoms) will have a mass of 50.9415 grams.  So, 214.1 grams of Vanadium would have

(214.1 / 50.9415) * (6.02 x 10^23) = 2.530 x 10^24 atoms



Step-by-step explanation:


6 0
3 years ago
The following function represents the value of a car, in dollars, after x years:
Assoli18 [71]

Answer:

Option D.The decrease in the value of the car, which is 8%

Step-by-step explanation:

we have a exponential function of the form

f(x)=a(b)^{x}

where

y is the value of the car

x is the time in years

a is the initial value

b is the base

r is the rate of decrease

b=1+r

In this problem we have

a=$24,000 initial value of the car

b=0.92

so

0.92=1+r

r=0.92-1=-0.08=-8%-----> is negative because is a rate of decrease

8 0
2 years ago
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this was the question I needed but it didn't give me the answer. I have to find the perimeter of the following shape above but t
levacccp [35]

Answer:

wait wat

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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