Subtract 5 from the sum of 8.2 and 0.072?

Answers

Answer 1

Answer: $(8.2+0.072)-5=8.272-5=\boxed{3.272}$

Answer 2

Answer: 8.272 is the sum of the two numbers
if you subtract five, it is 3.272
Hope it helped:)
So, the answer is 3.272

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Whats an explicit formula for
3 + 10 + 17 + 24 + ...

Answers

7(x-1)+3 where x is how many numbers are being added together

Solve the following system of equations using substitution.u = 6 + t
36 = 2t + u
A. t = 10, u = 16
B. t = 10, u = 4
C. t = 14, u = 20
D. t = 16, u = 22

Answers

It's A. If U=16, 6+10=16
and if you plug in the numbers for the second equation it's 36=2(10)+16

4. solve
e) 4^x-10.2^x+16=0
I think the dot means multiply?

Answers

$4^x-10\cdot2^x+16=0\Rightarrow(2^2)^x-10\cdot2^x+16=0\Rightarrow(2^x)^2-10\cdot2^x+16=0$

$subtitute\ 2^x=t > 0\n\nt^2-10t+16=0\nt^2-2t-8t+16=0\nt(t-2)-8(t-2)=0\n(t-2)(t-8)=0\iff t-2=0\ or\ t-8=0\n\nt=2\ or\ t=8\n\nt=2^1\ or\ t=2^3\n\ntherefore\ 2^x=2^1\ or\ 2^x=2^3\n\nAnswer:\boxed{x=1\ or\ x=3}$

2^x=a
4^x=(2^2)^x=(2^x)^2=a^2

a^2-10a+16=0
Δ=10^2-4*1*16=100-64=36
√Δ=6
a1=(10+6)/2=16/2=8
a2=(10-6)/2=4/2=2
2^x=8=2^3⇒ x=3 or
2^x=2=2^1⇒ x=1

There are 2 solutions : x=1 or x=3

A group of friends bought 6 movie tickets. They used a coupon for $2.00 off the cost of one of the tickets, and their total cost with the coupon was $50.50 . Write an equation that can be used to determine the regular cost c of each movie ticket.

Answers

Answer:38.5

Step-by-step explanation:

•Determine the regular cost of 1 movie ticket
Regular price without coupon
=$50.50+$2.00=$52.50
6 tickets=$52.50
1 ticket=C?
Using cross multiplication
C?=($52.50x1)/6=$8.75
So, the regular cost of each movie ticket is $8.75.

Can someone please help explain how to do multi- digit number multiplication? Please help ASAP!

Answers

Answer:

To multiply large numbers, stack the first number on top of the second. Then multiply each digit of the bottom number, from right to left, by the top number. In other words, first multiply the top number by the ones digit of the bottom number.

Step-by-step explanation:24

* 1 5

Answer:

Example: 456 times 7

400 times 7 is 2800

50 times 7 is 350

6 times 7 is 42

2800+350+42=3192

Step-by-step explanation:

What is the measure ofA
30°
C