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marshall27 [118]
2 years ago
13

What equals 2 times but adds up to -4

Mathematics
1 answer:
velikii [3]2 years ago
5 0

Answer:

2×-2 maybe but it's a difference with interfere so ues

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Find the explicit formula for -3,-33,-63,-93
bagirrra123 [75]

Answer:

a n = -3+(n-1)-30

Step-by-step explanation:

-3 - 30 = -33

-33 - 30 = -63

-63 - 30 = -93

The common difference here is -30. d = -30

The explicit formula is a n = a1 + (n-1)d

5 0
3 years ago
Directions: Calculate the percent increase or decrease between the starting and ending
valentinak56 [21]

Answer:233.333%

Step-by-step explanation:

1. 10-3=7 subtract end by start

2.7/3=2.333 divide difference by absolute value of start

32.333x100=233.333% multiply by 100 if negative its decreasing if positive it increasing

hoped this helped

8 0
3 years ago
Read 2 more answers
Suzy buys 2 shirts and 2 pairs of pants for 42 dollars at the store. Annette buys 3 shirts and 1 pair of pants for 37 dollars.
alexgriva [62]

Answer:

2s+2p = 42,

3s+p = 37,

2 shirts at 8 = 16,

2 pants at 13 = 26.

Hope this helps.

Step-by-step explanation:

7 0
3 years ago
Each grape at the supermarket weighs 5 grams. If Eric buys a bag of grapes that weighs 50 grams, how many grapes did he buy?​
Usimov [2.4K]

Answer:

10 grapes

Step-by-step explanation:

50 divided by 5 is 10

7 0
3 years ago
Calculate the average rate of change for the function f(x) = x4 + 3x3 - 5x2 + 2x - 2, from x = -1 to x = 1
kolezko [41]
In interval <a, b>  the average rate of change the function you count from this formula:
x=\frac{f(b)-f(a)}{b-a} \qquad b>a
Here you've got a=-1 and b=1:
f(a)=f(-1)=(-1)^4+3 \cdot (-1)^3 - 5 \cdot (-1)^2 +2 \cdot (-1)-2= \\ = 1-3-5-2-2=-11 \\ \\ f(b)=f(1)=1^4+3 \cdot 1^4 - 5 \cdot 1^2 + 2 \cdot 1 -2=1+3-5+2-2=-1 \\ \\ \hbox{So average rate of change this function is:} \\ \\ x= \frac{-1+11}{1+1}=\frac{10}{2}=5
5 0
3 years ago
Read 2 more answers
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