<span>1) Number of letters Matilda has sorted after x hours: m(x)
</span><span>Matilda has already sorted 50 letters and continues sorting at a rate of 50 letters per hour:
</span>m(x)=50+50x
where:
Number of hours: x
Number of letters Lorraine has sorted after x hours: l(x)
Lorraine has already sorted 80 letters and continues sorting at a rate of 40 letters per hour:
l(x)=80+40x
where:
Number of hours: x
Which function can Matilda and Lorraine use to determine the total number of letters they have sorted after x hours?
Total number of letters they have sorted after x hours: f(x)
f(x)=m(x)+l(x)
f(x)=(50+50x)+(80+40x)
f(x)=50+50x+80+40x
f(x)=90x+130
Answer: The function Matilda and Lorraine can use to determine the total number of letters they have sorted after x hours is f(x)=90x+130
2) <span>How many letters will they have sorted after 6 hours?
x=6→f(6)=?
f(6)=90(6)+130
f(6)=540+130
f(6)=670
Answer: T</span>hey will have sorted 670 letters after 6 hours
Answer: First option: <span>The function that describes the total number of letters sorted by Matilda and Lorraine in x hours is given by f(x) = 90x + 130. Thus, they will have sorted 670 letters in 6 hours.</span>
BM=CM implies that BCM is isosceles. This means that an altitude from the third vertex A of the triangle ABC, which must necessarily go through M will intersect BC exactly in the middle. This implies that the angles <CBA = <BCA which means the ABC is isosceles.
Answer:(2,4)
Explanation: hope this is what the question was asking I’m in 9th grade
amplitude: 2
period: 2pi
The equation for a sin function is:
a = the amplitude
b = the period
c = the horizontal shift
d = the vertical shift
the equation to find the period of a sin function is:
note: the amplitude is always a positive number, if there is a negative sign in front of it then that means it reflects over the x-axis.
The expression come -70
given;
In mathematics, multiplication can be represented by using the symbol × or the symbol ·. Moreover, multiplication can be also represented just by leaving the numbers or values side by side without any symbol. For example, the expression 5x + y implies 5 should be multiplied by x. In this context, the expression indicates -73 + 3
it means ; the number 73 substract from 3 and we get - 70.
to know more about mathematical expression;
visit; brainly.com/question/17241535
When we combine numbers and variables in a valid way, using operations such as addition, subtraction, multiplication, division, exponentiation, and other operations and functions as yet unlearned, the resulting combination of mathematical symbols is called a mathematical expression.
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