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lara [203]
3 years ago
10

How old was Sarah x years ago if she is now 23?

Mathematics
2 answers:
kobusy [5.1K]3 years ago
8 0

Answer:

23-x

Step-by-step explanation:

vovikov84 [41]3 years ago
7 0

Answer:

23 - x

Is that all there is to the problem?

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PLEASE HELP ME OUT!!
andrey2020 [161]
Short answer A
This one is exactly the same (with number changes) as the last one. You cannot use t which is in time, to mix with pure numbers which in this case is grams. That means that both C and D are incorrect.

Now as with the last one, are you going to raise e to a minus number or a plus number? Remember that if e is raised to a plus number, the sample in this case will increase. You are watching a radioactive decay. The number has to be smaller. So B is eliminated. There is only one answer left and that's A. It should be correct.

A <<<<< answer
8 0
3 years ago
A large pizza at palanizo pizzeria costs 6.80$ plus 0.90$ for each topping. The cost of a large cheese pizza at guido’s pizza is
r-ruslan [8.4K]

we are going to create a table in excel and we will assign different values ​​of topping to know when the price is equal in both pizzerias

 

see the attached figure

 

the answer is

5 toppings from palanzio’s pizzeria

6 toppings from guido’s pizza

cost palanzio’s pizzeria----> 6.80+0.90*5-----> $11.30

cost <span>guido’s pizza------> 7.40+0.65*6----------> $11.30</span>

 

5 0
3 years ago
How many solutions does this linear system have?
alexira [117]
The answer here is no solution
5 0
2 years ago
On average, water flows over a particular water fall at a rate of 2.08 x 105 cubic feet per second. One cubic foot of water weig
34kurt

Answer:

  5.61×10^8 ton/day

Step-by-step explanation:

  (2.08×10^5 ft³/s)·(8.64×10^4 s/day)·(6.24×10^1 lb/ft³)/(2×10^3 lb/ton)

  = (2.08·8.64·6.24/2)×10^(5+4+1-3) ton/day

  ≈ 56.07×10^7 ton/day

  ≈ 5.61×10^8 ton/day

_____

We have expressed the answer using 3 significant digits, to match the precision of the rate and weight.

4 0
3 years ago
Graph x&lt;2 . Please help this is URGENT i could flunk the 9th grade. I need the correct answer i will give 100 POINTS.
s344n2d4d5 [400]

Answer:

Bottom left

< means that it's dashed line

7 0
3 years ago
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