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Alika [10]
2 years ago
10

Solve the proportion: 65/x = 13/10

Mathematics
1 answer:
Hoochie [10]2 years ago
7 0

Answer:

x=50

Step-by-step explanation:

65/x =13/10

13x=650

x=650/13

x=50

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Pls HELP I WILL GIVE U BRAINLESSSSST
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Answer:

pay back oh pay back, i warned you i would do it back

Step-by-step explanation:

6 0
3 years ago
Use an induction proof to prove this statement:<br> For n≥1, 4^n+5 is divisible by 3.
Tpy6a [65]

Answer:

See below

Step-by-step explanation:

We shall prove that for all n\in\mathbb{N},3|(4^n+5). This tells us that 3 divides 4^n+5 with a remainder of zero.

If we let n=1, then we have 4^{1}+5=9, and evidently, 9|3.

Assume that 4^n+5 is divisible by 3 for n=k, k\in\mathbb{N}. Then, by this assumption, 3|(4^n+5)\Rightarrow4^k+5=3m,\: m\in\mathbb{Z}.

Now, let n=k+1. Then:

4^{k+1}+5=4^k\cdot4+5\\=4^k(3+1)+5\\=3\cdot4^k+4^k+5\\=3\cdot4^k+3m\\=3(4^k+m)

Since 3|(4^k+m), we may conclude, by the axiom of induction, that the property holds for all n\in\mathbb{N}.

3 0
2 years ago
Find the values of x and y
Elanso [62]
3x-11 =2x+11
x=22

y = 180 - [{3(22)-11} +{2(22)+11}]
y= 180 - 110
y = 70

Therefore: x=22 and y = 70
6 0
3 years ago
By selling his car for 294,000. Mr fidelis lost 2%. what is the cost price of the car​
Liula [17]

Answer:

$300,000.

Step-by-step explanation:

He sold it for 98% of what he paid for it.

So if the cost price is $x:

0.98x = 294,000

x = 294,000 / 0.98

= $300,000.

6 0
2 years ago
Express ⁴/100 as a decimal fraction
Varvara68 [4.7K]

Answer:

To do that you must divide 4 by 100

Step-by-step explanation:

4 divided by 100 is 0.04

4 0
2 years ago
Read 2 more answers
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