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luda_lava [24]
3 years ago
5

Identify the terms of the expression. 3r^2+4r+8

Mathematics
2 answers:
zhuklara [117]3 years ago
7 0
The terms hopw this helps
Andreas93 [3]3 years ago
4 0

Answer:

The terms

Step-by-step explanation:

The terms in this expression are coefficients, constants, variables, and exponents. 3 and 4 would be the coefficients. 8 would be the constant. r is the variable and 2 is the exponent.

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Kyle believes that the equation of the line of best fit for the scatterplot below is y=-7/5 x - 1/5. Which statement best summar
kenny6666 [7]
U need to simplify 5×5 to 25,move the negative to the left, then simplify the brackets
7 0
3 years ago
3
Lynna [10]

Answer:

C

Step-by-step explanation:

greatest spread for the middle 50% of data refers to the IQR, or interquartile range

A) IQR = 5

B) IQR = 5

C) IQR = 7

D) IQR = 6

6 0
3 years ago
The perimeter of a rectangle is 24 inches. Find the dimensions if it’s length is 3 inches greater than its width?
Lapatulllka [165]

Answer:

Length: 9 inches

Width: 3 inches

3 0
2 years ago
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I'd really appreciate some help on these questions, I'm really struggling
nikklg [1K]
We can use linear combinations of the equations to eliminate variables.

3x - 4y = 1
-2x + 3y = 1

To eliminate y we'll make the linear combination of 3 times the first equation minus four times the second. 

9x - 12y = 3
-8x + 12y = 4

Adding,
x = 7

We could solve for y directly but let's use another linear combination, twice the first plus three times the second:

2(3x - 4y) + 3(-2x + 3y)= 2(1)+3(1)

y = 5

Check: 3(7)-4(5)=1 good.   -2(7)+3(5)=1 good.

Q18 Answer: (7,5)

y = -3x + 5
5x - 4y = -3

4y +1(5x - 4y) = 4(-3x + 5) + 1(-3)

5x = -12x + 20 -3

17 x = 17

x = 1
y = -3(1) + 5 = 2
Check: 5(1) - 4(2) = -3 good

Q19 Answer (1,2)

6x + 5y = 25
x = 2y + 24
6x = 12y + 144
5y = 25 - 12y - 144
17y = -119
y = -119/17= -7
x = 2y+24= 10
Check: 6(10)+5(-7)=25 good   2y+24=2(-7)+24=10=x good

Q20 Answer (10,-7)


3x + y = 18
-7x + 3y = -10
9x  + 3y = 54
9x - -7x = 54 - -10
16x = 64
x=4
y = 18 -3x = 18-12=6

Check: 3(4)+6=18 good,  -7(4)+3(6)=-10 good

Q21 Answer: (4,6)

6 0
3 years ago
Simplify<br> Rewrite the expression in the form 6^n
prisoha [69]

Answer:

6^{3}

Step-by-step explanation:

6^4/6^1

6^(4-1)

=6^3

6 0
3 years ago
Read 2 more answers
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