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Sergeeva-Olga [200]
3 years ago
11

Which of the following equations have no solution? Check all that apply.

Mathematics
2 answers:
Dmitriy789 [7]3 years ago
6 0

Answer:

The answers are A and E.

Step-by-step explanation:

Edg. 2020.

yan [13]3 years ago
4 0
The following do not have a solution:
• 6x+1=3(2x-4)
• -4(x+3)=4(-x-1)
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WILL GIVE BRAINLIEST
Evgesh-ka [11]
All you have to do is plug in the given values into the given equation and evaluate.

The expression is,

A(t) =  l{e}^{rt}
But we have to analyze the problem carefully. This is a natural phenomenon that can be modelled by a decay function. The reason is that, after every hour we expect the medicine in the blood to keep reducing.

Therefore we use the decay function rather. This is given by,


A(t) =  l{e}^{-rt}

where,

l = 100 \: milligrams

r =  \frac{14}{100}  = 0.14

and

t = 10 \: hours

On substitution, we obtain;

A(10) =  100 \times {e}^{ - 0.14 \times 10}


A(10) =  100 \times {e}^{ - 1.4}



Now, we take our calculators and look for the constant
e

,then type e raised to exponent of -1.4. If you are using a scientific or programmable calculator you will find this constant as a secondary function. Remember it is the base of the Natural logarithm.



If everything goes well, you should obtain;

A(10) =  100 \times 0.24659639


This implies that,


A(10) =  24.66

Therefore after 10 hours 24.66 mg of the medicine will still remain in the system.
3 0
3 years ago
Given: ∠8 ≅ ∠16
SVEN [57.7K]

Answer:B

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Simplify the expression 7x-1+2x
Leokris [45]

Answer:-23

Step-by-step explanation: i just know nika

6 0
1 year ago
Read 2 more answers
BCDE is a parallelogram. What is the measure of ∠BEC? Enter your answer in the box. ° A parallelogram B C D E. Side E D is the b
Elenna [48]

Solution:

In Parallelogram B CDE

BC= DE, BC ║DE

CD = BE , CD ║BE

Also, ∠B=∠D and ∠C=∠E →→In a parallelogram opposite sides are equal and parallel, as well as opposite angles are equal.Diagonals Bisect each other.

∠B= 60° , ∠C ED= 40°

CE is a transversal and BC║DE.

∠CED=∠BCE = 40° →→Alternate interior angles

In Δ BCE

∠B + ∠BCE + ∠BEC= 180°→→→Angle sum property of Triangle.

60° + 40° + ∠ B E C= 180°

100° + ∠BEC=180°

∠BEC= 180° -100°

∠BEC= 80°



3 0
3 years ago
Which expression represents the distance between -3 and 5 on the number line?
marta [7]
The expression that represents the distance between -3 and 5 on the number line is “-3-5”.
5 0
2 years ago
Read 2 more answers
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