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allsm [11]
3 years ago
9

What is 2/5 x 4 help me please

Mathematics
2 answers:
SashulF [63]3 years ago
7 0

Answer: 1.6

Step-by-step explanation:

Kazeer [188]3 years ago
3 0

Answer:

1.6

Step-by-step explanation:

2/5×4

=8/5

=1.6

So the answer is 1.6

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Complete the recursive formula of the geometric sequence 16\,,\,3.2\,,\,0.64\,,\,0.128,...16,3.2,0.64,0.128,
Nastasia [14]

Answer:

a_{n+1}=0.2a_n for all n>0, a_1=16

Step-by-step explanation:

Let \{a_n\}=\{16,3.2,0.64,0.128,\cdots \} be the sequence described.

A geometric sequence has the following property: there exists some r (the ratio of the sequence) such that \frac{a_{n+1}}{a_n}=r forr all n>0.

To find r, note that

\frac{3.2}{16}=\frac{32}{10(16)}=\frac{2}{10}=\frac{1}{5}=0.2

Similarly

\frac{0.64}{3.2}=\frac{64}{10(32)}=\frac{1}{5}=0.2

\frac{0.128}{0.64}=\frac{1}{5}=0.2

Thus a_{n+1}=r a_n=\frac{a_n}{5}=0.2a_n for all n>0, and a_1=16

3 0
3 years ago
Check attachment below
tresset_1 [31]

Answer:

170

Step-by-step explanation:

The angle 42x+1 is the inscribed angle of Arc WX. This means Arc WX is twice of 42x+1.

wx = 2(42x + 1)

We can add up that and the other arcs to 360.

2(42x + 1) + 29x - 1 + 65x + 3

84x + 2 + 29x - 1 + 65x + 3 = 360

178x + 4 = 360

178x = 356

x = 2

Plug in 2 for WX.

84(2) + 2 = 170

5 0
3 years ago
What is 2 multiplying by 10
notsponge [240]
The answer is 20 because any number multiplied by 10 is going to be the same number but with a zero to the right of it for example 20 times 10 is 200 because u just add the zero to the right of the number have a great day
7 0
2 years ago
Roger grew 42 plants with 14 seed packets. With 16 seed packets, how many total plants can Roger have in his backyard?
Step2247 [10]

Answer:

48 Plants

Step-by-step explanation:

3 per packet

42 / 14 = 3

3 x 16 = 48

48 Plants

Hope this helped!

5 0
3 years ago
Read 2 more answers
A _______, which operates by a belt that connects to the crankshaft, pressurizes the air entering the intake manifold to improve
balandron [24]
D supercharge is the answer
8 0
3 years ago
Read 2 more answers
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