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AfilCa [17]
3 years ago
5

In order to receive a b in your english class, you must earn more than 350 points of reading credits. last week you earned 120 p

oints. this week you earned 90 points. how many more points must you earn to receive a b or better in english?
Mathematics
1 answer:
Vlada [557]3 years ago
4 0
120 + 90 = 210 points
350 - 210 = 140 OR
   351 - 210 = 141  (if it must be more than 350, you need <em>at least </em>351 points total, or 141 more points, to get a grade B)
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A farmer finds there is a linear relationship between the number of bean stalks, n, she plants and the yield, y, each plant prod
-Dominant- [34]

Answer:

Step-by-step explanation:

Given that a farmer finds there is a linear relationship between the number of bean stalks, n, she plants and the yield, y, each plant produces

When we consider this graph as a straight line, the two points lying on the line would be

(30, 30) and (34, 28) taking n as horizontal and y vertical

Using two point equation we find that

the equation of the line is

\frac{y-y_1}{y_2-y_1} =\frac{x-x_1}{x_2-x_1}

Substitute the points as x =n

\frac{y-30}{28-30} =\frac{x-30}{34-30}\\y-30 = -0.5(x-30)\\y = -0.5x+45

is the linear relationship between n and y

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3 years ago
Explain the term least significant bit (LSB).
vivado [14]

Answer:

the bit in a binary number which is the lowest numerical value

6 0
2 years ago
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Solve the system by substitution.
tino4ka555 [31]
As we know y=3/4x-3
Let's put it in the second equation
3/4x-3=1/4x+1
3/4 x -1/4 x = 1+3
2/4 x = 4
X= 4*4/2
x=8
Put x= 8 in first equation
y= 3/4 *8 -3
y=6-3
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Check the answer
3=3/4 *8 -3
3=6-3
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Correct
So(y, x) = (3,8)
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3 0
3 years ago
Which lines are perpendicular to the line y – 1 = (x+2)? Check all that apply.
Ilya [14]

Answer:

none of them

Step-by-step explanation:

Two lines are perpendicular when satisfy the next equation: m1*m2 = -1, where m1 and m2 are the slopes o the lines.

line 1:  

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y = x + 3

slope of line 1 = 1

line 2:  

y + 2 = –3(x – 4)

y + 2 = -3*x + 12

y =  -3*x + 10

slope of line 2 = -3

m1*m2 = 1*(-3 ) = -3

They are not perpendicular

line 3:  

y − 5 = 3(x + 11)

y − 5 = 3*x + 33

y = 3*x + 38

slope of line 3 = 3

m1*m3 = 1*3 = 3

They are not perpendicular

line 4:  

y = -3x –  

slope of line 4 = -3

m1*m4 = 1*(-3 ) = -3

They are not perpendicular

line 5:  

y = x – 2

slope of line 5 = 1

m1*m5 = 1*1 = 1

They are not perpendicular

line 6:  

3x + y = 7

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slope of line 6 = -3

m1*m6 = 1*(-3 ) = -3

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3 years ago
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What is 19 and 20 you didn’t put anything
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3 years ago
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