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ankoles [38]
3 years ago
6

X + 2x²y + y, using x = 2 and y = 4

Mathematics
2 answers:
Mnenie [13.5K]3 years ago
8 0

Answer: 38

Step-by-step explanation:

(2) + (2(2*2)(4)) + (4)

2+ (2*16) + 4

2+32+4

38

ivann1987 [24]3 years ago
7 0

Answer:

38

Step-by-step explanation:

Evaluate x + 2 x^2 y + y where x = 2 and y = 4:

x + 2 x^2 y + y = 2 + 2×2^2×4 + 4

2^2 = 4:

2 + 2×4×4 + 4

2×4 = 8:

2 + 8×4 + 4

8×4 = 32:

2 + 32 + 4

| 3 | 2

| | 4

+ | | 2

| 3 | 8:

Answer:  38

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Frank has devised a formula for his catering business that calculates the number of meatballs he needs to prepare.
timofeeve [1]
Just plug in the numbers into the equation.

m = 4a + 2c

a = adults
c = children
m = meatballs

The information given says there are 25 adults and 5 children. So now:

a = 25
and
c = 5
in the equation m = 4a + 2c


Now plug in the values. 
m = 4(25) + 2(5)
m = 100 + 10
m = 110

This means that 110 meatballs are required for 25 adults and 5 children. 
8 0
3 years ago
Total health care costs in the United States in 2016 was $1.7 trillion. he US population was 290.9 million. What was the average
dusya [7]

Answer:

$5,843.9

Step-by-step explanation:

2016

Total health care cost in US = $1.7 trillion

= $1,700,000,000,000

Population in US = 290.9 million.

= 290,900,000

Average amount spent per person on health care = Total health care cost in US / Population in US

= 1,700,000,000,000 / 290,900,000

= $5843.9326228944

Approximately,

$5,843.9

To the nearest whole number

= $5,844

7 0
2 years ago
Write (3p^3)^2 without exponents
rodikova [14]

Answer:

3p*3p*3p*3p*3p*3p

Step-by-step explanation:

Multiply exponents

3p^6

expand

3p*3p*3p*3p*3p*3p = 3p^6

4 0
3 years ago
How many different triangles can be constructed using angle measurements 81°,52°,47°?​
DerKrebs [107]

Answer:

More than one triangle because it has to measure up to 180°  

81 + 52 + 47 = 180

Step-by-step explanation:

7 0
3 years ago
7x-y=14 solve for x???????
AnnyKZ [126]
7x-y=14 \\
7x=y+14\\
x=\dfrac{1}{7}y+2
4 0
3 years ago
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