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mr Goodwill [35]
3 years ago
7

Cassandra used 2.8lb of groun can Sandra news 2.8 lbs of ground beef in a recipe for hamburger me about how many kilograms what

is the mass of the ground beef
Mathematics
1 answer:
Anna11 [10]3 years ago
6 0

Answer:

\large \boxed{\text{1.3 kg}}}

Step-by-step explanation:

1 kg = 2.205 lb

\text{Mass} = \text{2.8 lb} \times \dfrac{\text{1 kg}}{\text{2.205 lb}} = \text{1.3 kg}\\\\\text{The mass of the ground beef is $\large \boxed{\textbf{1.3 kg}}$}

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Sherman has two sequences . The first sequence is described by the explicit rule f(n) = 15n + 4 and the second sequence is descr
Viktor [21]

Answer:

Step-by-step explanation:

Given the explicit function as

f(n) = 15n+4

The first term of the sequence is at when n= 1

f(1) = 15(1)+4

f(1) = 19

a = 19

Common difference d = f(2)-f(1)

f(2) = 15(2)+4

f(2) = 34

d = 34-19

d = 15

Sum of nth term of an AP = n/2{2a+(n-1)d}

S20 = 20/2{2(19)+(20-1)15)

S20 = 10(38+19(15))

S20 = 10(38+285)

S20 = 10(323)

S20 = 3230.

Sum of the 20th term is 3230

For the explicit function

f(n) = 4n+15

f(1) = 4(1)+15

f(1) = 19

a = 19

Common difference d = f(2)-f(1)

f(2) = 4(2)+15

f(2) = 23

d = 23-19

d = 4

Sum of nth term of an AP = n/2{2a+(n-1)d}

S20 = 20/2{2(19)+(20-1)4)

S20 = 10(38+19(4))

S20 = 10(38+76)

S20 = 10(114)

S20 = 1140

Sum of the 20th terms is 1140

7 0
2 years ago
Please I need help!!!
S_A_V [24]
Hello : 
f(x) = (x − h)2 + k: a <span> vertex of( 2, 3)
h=2 and k=3</span>
6 0
3 years ago
let a,b,c,d be four integers (not necessarily distinct) in the set {1,2,3,4,5}. the no. of polynomials x^4+ax^3+bx^2+cx+d which
Eddi Din [679]
By either long or synthetic division, it's easy to show that

\dfrac{x^4+ax^3+bx^2+cx+d}{x+1}=x^3+(a-1)x^2+(-a+b+1)x+(a-b+c-1)-\dfrac{a-b+c-d-1}{x+1}

The quartic will be exactly divisible by x+1 when the numerator of the remainder term vanishes, or for those values of a,b,c,d such that

a-b+c-d-1=0

I'm not sure how to count the number of solutions (software tells me it should be 80), but hopefully this is a helpful push in the right direction.
8 0
3 years ago
Evaluate -2x2 y, if x = -3 and y = -1
Gre4nikov [31]
The answer is -12
these are the steps on how to find that 
-2x2y
-2(-3)2(y)
6 times -2
-12
6 0
3 years ago
A line is represented by the equation 3x+2y=4. what is another way to represent the same line?
Deffense [45]

<u>3x + 2y = 4</u>

Here are a few different ways
to represent the same line:

2y = 4 - 3x

y = -1.5x + 2

5y = -7.5x + 10

3x = 4 - 2y

x = -2/3y + 4/3


7 0
3 years ago
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