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lesya [120]
3 years ago
15

Can some one answer this :}

Mathematics
2 answers:
Tems11 [23]3 years ago
8 0

Answer:

D

Step-by-step explanation:

Bingel [31]3 years ago
3 0
It’s D because you first add both of the numbers without the fraction then with the fraction
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Y∝1√x<br> If <br> y=7 when x=64<br> find, <br> x when y=8
Taya2010 [7]

Answer:

uhm im really sorry about this but i really need points i would help but id get it wrong im bad aat math

Step-by-step explanation:

3 0
3 years ago
Multiply x^2+5•x^3+7 <br> I’m getting x^5+5x^3+7x^2+35 But I’m not sure if I’m right
user100 [1]

Answer:

x⁵ + 5x³ + 7x² + 35

Step-by-step explanation:

(x² + 5) (x³ + 7)

To distribute binomials (expressions with two terms), you can use the FOIL method (First, Outer, Inner, Last):

x⁵ + 7x² + 5x³ + 35

To put into standard form, rearrange from highest power to lowest power:

x⁵ + 5x³ + 7x² + 35

6 0
3 years ago
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
Describe fully the single transformation that maps triangle A onto triangle B
Anvisha [2.4K]

Answer:

180 degree clockwise rotation about center and a dilation of 0.5.

5 0
3 years ago
Test: PRACTICE EXAM #1
Gnesinka [82]

John should receive about 7200 milligrams of the drug.The unit conversion given is,1 lb =0.45 kg.

<h3>What is weight?</h3>

The weight of matter is found as the product of the mass and the gravitational acceleration.

Unit conversion;

1 lb =0.45 kg.

Dosage of a drug =  200 mg / kilogram

John weighs  = 80 lb

1 lb =0.45 kg.

80 lb = 36 kg

According to the weight the drug should he receive is;

Dosage of a drug =  200 mg / kilogram  × 36

Dosage of a drug = 7200 milli gram

Hence, John should receive about 7200 milligrams of the drug.

To learn more about the weight refer;

brainly.com/question/10069252

#SPJ1

4 0
2 years ago
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