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2 years ago

bob bought three more then twice as many apples as Kathy. Together they ought 15 apples. How many did each of them buy?

Mathematics

1 answer:

solniwko [45]2 years ago

6 0

Answer:

Kathy bought 4 and Bob bought 11.

Step-by-step explanation:

since we already know he bought 3 more than her we can subtract 3 from 15 which is 12, since he bought twice more than her we can divide 12 by 3 which is 4. Multiply by 2 and you get 8, and when you add it to the subtracted 3 you get 11. So she bought 4 and he bought 11

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Find the quotient of n(x) = 6x^5y^7 and m(x) = 2x^3y

likoan [24]

Answer:

a. Yes

b. Yes

c. Yes

d. Degree 8

Step-by-step explanation:

a. Yes, n(x) is a polynomial of one single term (also called monomial) because it contains variables raised to positive integers.

b. Yes, m(x) is a polynomial of also one single term (also called monomial) because it contains variables raised to positive integers.

c. The quotient of n(x) / m(x) can be reduced to a polynomial of one single term as follows:

$\frac{n(x)}{m(x)} =\frac{6\,x^5\,y^7}{2\,x^3\,y} =3\,x^2\,y^6$

which as can be seen, also contains variables raised to positive integers.

d. The degree of the polynomial resultant is the addition of the powers of all variables present (x and y) which results in: 2 + 6 = 8

Therefore the degree of this polynomial is 8.

6 0

3 years ago

I need help with all of them

olga nikolaevna [1]

7. Is 45
10. is 15
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2 years ago

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If f(x)=x^2- 4 and g(x)=x^2 plus 2 x,

gregori [183]

Answer:

$\huge\boxed{(f-g)\left(-\dfrac{1}{3}\right)=-3\dfrac{1}{3}}$

Step-by-step explanation:

$\text{We have}:\\\\f(x)=x^2-4\ \text{and}\ g(x)=x^2+2x\\\\(f-g)(x)=f(x)-g(x)\\\\\text{therefore}\\\\(f-g)(x)=(x^2-4)-(x^2+2x)=x^2-4-x^2-2x\\\\=(x^2-x^2)-2x-4=-2x-4\\\\(f-g)\left(-\dfrac{1}{3}\right)\to\text{put}\ x=-\dfrac{1}{3}\ \text{to the equation of the function}\ (f-g)(x):\\\\(f-g)\left(-\dfrac{1}{3}\right)=-2\left(-\dfrac{1}{3}\right)-4=\dfrac{2}{3}-4=-3\dfrac{1}{3}$

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3 years ago

Write the equation below in standard form y = 2/3 x + 5.

Rashid [163]

this is ur answer i hope u do well good luck:

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2 years ago

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If methane at a pressure of 3.2 atm and at 21 °C is introduced into a container, the gas be heated to ______°C to increase the p

Veronika [31]

A: 3.2/294=12/T
T=1102.5 K 
*** 
*** 
b: V/T => V/1088 = 4000/294 
V = 14802.7 L = 14.8 m^3 
*** 
*** 
c. 
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V= 48.64 m^3

3 0

3 years ago

bob bought three more then twice as many apples as Kathy. Together they ought 15 apples. How many did each of them buy?​

bob bought three more then twice as many apples as Kathy. Together they ought 15 apples. How many did each of them buy?