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gayaneshka [121]
3 years ago
9

How to help explain decimals for 4th grade

Mathematics
1 answer:
aliya0001 [1]3 years ago
7 0
Decimals are the numbers after the whole number, EX:1.569(.569 would be the decimals) The numbers after the dot.

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Line p has an equation of y=-8x+6. Line q, which is perpendicular to line p, includes the point (2,–2). What is the equation of
Arturiano [62]

Answer:

y =  \frac{1}{8} x - 2  \frac{1}{4}

Step-by-step explanation:

<u>Slope-intercept </u><u>form</u>

y= mx +c, where m is the slope and c is the y-intercept

Line p: y= -8x +6

slope= -8

The product of the slopes of perpendicular lines is -1. Let the slope of line q be m.

m(-8)= -1

m= -1 ÷(-8)

m= ⅛

Substitute m= ⅛ into the equation:

y= ⅛x +c

To find the value of c, substitute a pair of coordinates that the line passes through into the equation.

When x= 2, y= -2,

-2= ⅛(2) +c

- 2 =  \frac{1}{4}  + c

c =  - 2 -  \frac{1}{4}

c =  - 2 \frac{1}{4}

Thus, the equation of line q is y =  \frac{1}{8} x - 2 \frac{1}{4}.

4 0
2 years ago
A test is worth 50 points. Multiple- choice questions are worth 1 point, and short answer questions are worth 3 points. if the t
bagirrra123 [75]
Correct answer is C. 
m + 3s = 50 
the total number of questions is 20. since the paper is made of only multiple choice and short answer questions, the sum of the multiple choice and short answer questions should be 20.
since multiple choice is 'm' and short answer is 's'
then m + s = 20
but theres no option for that 
if we take the number of points 
points for 1 multiple choice question - 1
then points for m number of multiple choice questions = 1 * m = m
points for 1 short answer - 3
then points for s number of short answer question = 3 * s = 3s
then total number of points = m + 3s
and the total number of points = 50
therefore 
m + 3s = 50
this is the correct answer C.
3 0
3 years ago
Read 2 more answers
If your net worth is 50,000 and you pay off your student loan from your savings account how will your net worth statement be aff
Zinaida [17]
You net worth will decrease because you’re paying a loan from the money that you have. While your net worth decreases your liabilities will decrease because you will no longer have a loan to pay for.
5 0
3 years ago
A number is increased by 54. The sum is then divided by 9. The result is 21. Write an equation to represent the description abov
Andrew [12]
54 devided by 9 will equal to 21
5 0
3 years ago
Read 2 more answers
Simplify 4a^3 b^2 x 6a^6b^9
Ket [755]

Answer:

24a^9 b^11

Step-by-step explanation:

4a ^{3} b ^{2}  \times 6a ^{6} b ^{9}  \\  = (4 \times 6)a ^{3 + 6}b ^{2 + 9}  \\  = 24a^{9} b^{11}

5 0
3 years ago
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