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o-na [289]
3 years ago
9

420 is 3/5 of what number

Mathematics
2 answers:
VLD [36.1K]3 years ago
6 0

Answer:

252

Step-by-step explanation:

3/5*420=252 Multiply 3/5 by 420 to get 252

aleksandrvk [35]3 years ago
4 0

Answer:

700

Step-by-step explanation:

420/3=140

140*5=700

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What is the value of x in the equation 4x + 8y=40 when y=0.8
Fed [463]
8*.8=6.4 
4x+6.4=40
40-6.4=33.6
33.6/4=x
8.4=x

Hope this helps :)
8 0
3 years ago
Read 2 more answers
PLS HELP!! AND HURRY!! Find an expression for the nth term ( tn ) in each of the following sequences:
fiasKO [112]

If the pattern continues, so that each term is separated by a distance of 3, then the sequence is given by the recursive rule

\begin{cases}a_1=1\\a_n=a_{n-1}+3&\text{for }n>1\end{cases}

From this definition, we can write a_n in terms of a_1:

a_2=a_1+3

a_3=a_2+3=(a_1+3)+3=a_1+2\cdot3

a_4=a_3+3=(a_1+2\cdot3)+3=a_1+3\cdot3

a_5=a_4+3=(a_1+3\cdot3)+3=a_1+4\cdot3

and so on, up to

a_n=a_1+(n-1)\cdot3

(notice how the subscript on <em>a</em> and coefficient on 3 add up to <em>n</em>)

or

a_n=1+3(n-1)=3n-2

6 0
3 years ago
3/30 = n/50<br><br> n = (Blank)<br><br> Find n.
UNO [17]
<span>3/30 = n/50
</span><span>1/10 = n/50
10n = 50
n = 50/10
n=5</span>
3 0
3 years ago
Which system of equations has no solution?
weqwewe [10]

Answer:

4x-5y=3

-3=4x-5y

Step-by-step explanation:

4x-5y = 3

4x-5y = -3

both statements have different answers but has the same problem making the statement x=x and 0=0 making it have no solution

3 0
3 years ago
3.4×5
d1i1m1o1n [39]

Answer:

a) 17

b) 0.912

c) 0.00012

d) 34.37

e) 3.896

f) 23.912

g) 3.856

h) 0.19393

7 0
3 years ago
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