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Tcecarenko [31]
2 years ago
14

H(x) = 2x^2 + 5; Find g (-7)

Mathematics
2 answers:
olasank [31]2 years ago
8 0
The answer is 4x....
r-ruslan [8.4K]2 years ago
5 0

Answer:

103

Step-by-step explanation:

First you plug In -7 for x

then you multiply -7 × -7= 49

because of the exponent

then you multiply 2 to it and you get 98 then add 5 which you get 105

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45 is 35% of what number?​
kykrilka [37]

Answer:

100 is the answer

Step-by-step explanation:

4 0
2 years ago
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An automobile manufacturer has given its van a 47.2 miles/gallon (MPG) rating. An independent testing firm has been contracted t
Romashka-Z-Leto [24]

Answer:

Test statistic = 1.664

Step-by-step explanation:

The hypothesis :

H0 : μ = 47.2

H1 : μ ≠ 47.2

Given that :

Sample mean, xbar = 47

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Standard deviation, σ = 1.9

The test statistic :

(xbar - μ) ÷ (σ/√(n))

T = (47 - 47.2) ÷ (1.9/√(250))

T = (0.2 / 0.1201665)

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7 0
2 years ago
If a ball is thrown straight up into the air with an initial velocity of 100 ft/s, it height in feet after t second is given by
Sergeu [11.5K]

Answer:

11 0.1 seconds

Step-by-step explanation:

4 0
2 years ago
A pharmacist added 50 g of drug to make a total of 200 mL of solution. What is the percentage of drug in the resultant solution?
Bad White [126]

Answer: 25%

Step-by-step explanation:

Given : A pharmacist added 50 g of drug to make a total of 200 mL of solution.

Here, Resultant solution =  200 mL

Amount of drug = 50 g

We know that 1 gram = 1 ml

So, we can say the amount of drug = 50 ml

Now, the percentage of drug in the resultant solution:-

\dfrac{50}{200}\times100=25\%

Hence, the percentage of drug in the resultant solution= 25%

6 0
3 years ago
PLS help<br><br> 44-9+77 divided by 8=
Andrews [41]

Answer:

14

Step-by-step explanation:

44-9=35

35+77=122

122÷8=14

6 0
2 years ago
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