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aliina [53]
3 years ago
13

105 − 84 84 simplify into a decimal

Mathematics
1 answer:
Andreas93 [3]3 years ago
8 0

Answer:

0.21

Step-by-step explanation:

105-84=21 then you convert the 21 into 21 hundredths

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If AC = 2, CD = 6, and CE = 3, what is BC?
suter [353]

Answer:

Hello,

Statement:                        Reasons:

BC/CD = AC/CE                 1. Given

∠BCA = ∠ECD                    2. Vertical ∠'s =

△ACB ~ △ECD                   3. SAS

Hope it helps!

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Can plz help me in this question asap I don't get it
34kurt

Answer:

-19+-25f≤-144

Step-by-step explanation:

The problem says that you descended 19 below sea level. Below makes 19 into a negative. It also says that it descends 25 feet per minute. If it says per you put a variable by that number. It also says descends which means going down so that would be a negative. The problem says Lainey does not want to go over 144 feet(144 is also negative because it is below sea level) so 144 would be greater than or equal to because she does not wan to go over that amount.

Hope this helps!

5 0
3 years ago
Sofia takes 10mg of a medicine whose concentration in blood decreases by a factor of one half every day. Let t be the number of
bazaltina [42]

Answer:  Medication in Lexi's system on day t becomes,

L=10.625(\frac{1}{2})^{t-4}

Step-by-step explanation:

Since we have given that

Initial amount Sofia takes of a medicine = 10 mg

Concentration in blood decreases by a factor of one half every day.

So, it becomes,

S=10(\frac{1}{2})^t\\\\here,\text{ t denotes number of days}

According to question, four days later, it becomes,

S=10(\frac{1}{2})^4\\\\S=\frac{10}{16}\\\\S=0.625\ mg

We have given that Lexi takes 10 mg of the same medicine.

So, it becomes,

10+0.625\\\\10.625\ mg

Hence, Medication in Lexi's system on day t becomes,

L=10.625(\frac{1}{2})^{t-4}

3 0
3 years ago
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Which is a counterexample to this conjecture? The sum of any two consecutive integers is a composite number. A. 16 + 17 = 33 B.
tiny-mole [99]
C. 6 + 7 = 13

<span>This is because 33, 21, and 15 are composite numbers, and 13 is not.</span>
6 0
3 years ago
Fifteen is % of 120.
Mariana [72]

Answer:

15 is 12.5% of 120

35% of 160 is 56

48 is 80%of 60

11 is 20% of 55

1.Equation- a statement that two expressions are equal.

2.Expression- a phrase that represents a mathematical relationship

Step-by-step explanation:

Hope this helps! Sorry if any are wrong!

3 0
3 years ago
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