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rosijanka [135]
3 years ago
8

What is the estimate of 19.7-6.9

Mathematics
1 answer:
Zolol [24]3 years ago
5 0
Always to do each to 1 sigfig 20-6=14
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Pls help. No files pls. Will give brainliest.
nordsb [41]

To find f(-20), first figure out which piece x = -20 fits with.

Since -20 < -12, x = -20 first in the domain used by the third piece.

For f(-20), treat this function as if it was just f(x) = 3x-7.

f(-20) = 3(-20) -7

         = -60 - 7

         = -67

6 0
3 years ago
On a hiking trip LaShana notes that she hiked about 12 kilometers every 4 hours. If she continues at this rate' how many kilomet
scoray [572]

Answer:

18 Kilometers

Step-by-step explanation:

If you divide 12 by 4 you get 3, so she is going about 3 kilometers an hour. Add 3 for each hour, and you get 18 kilometers in 6 hours.

8 0
3 years ago
What is the quotient of 1 1/2 ÷ 3/4?
Viktor [21]

Answer:

22/3

Step-by-step explanation:

4 0
3 years ago
Help I need to turn this in by 12:30
11Alexandr11 [23.1K]
B- -3

If x is two according to the coordinate points, that means the equation is now -8+3y=-17

Add 8 to each side- 3y=-9

And divide -9 by 3

This gets you y=-3
5 0
3 years ago
Helen earns $12 each weekend by babysitting her brother.After the third weekend,Helen buys a new cd for $12.48.How much money do
GalinKa [24]
She would have $23.52 because 12 times 3 is 36 and 36-12.48=23.52
6 0
3 years ago
Read 2 more answers
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