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Wewaii [24]
3 years ago
13

6) 9x - 7y = -4 18x - 14 y = 10 A) (8, -1) C) (-8,-8) B) (-8,-1) D) No solution

Mathematics
1 answer:
Soloha48 [4]3 years ago
6 0

Answer:

D). No solution

Step-by-step explanation:

9x - 7y = -4

18x - 14 y = 10

9x - 7y = 5

9x - 7y = -4

9x - 7y = 5

__________--

0 = -9

No solution

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A new truck sells for $29,000 and depreciates 12% each year. Find the value of the truck after 10 years.
ozzi

Answer:

according to the question value got less 12% each year

first of all the 12% of 29000$ = 29000÷100×12= 3480 $

in one year truck value deprecates 3480$

in 10 years it will 3480$×10 =34800$

now truck cost will be = 29000-34800$= -5000$

5 0
3 years ago
The distance between two towns is 21.673 km. Round of the distance to nearest 0.01 km.
Volgvan

Answer:

21.67

Step-by-step explanation:

look at the number in the 0.01 value then the number next to it

if it's five or above then the 7 goes up if it's 4 and below then the number stays the same. in this case the number will stay the same

6 0
3 years ago
4. 150 men working in a factory produce 6000 articles in 15 working days. How long will it take, a. 50 men to produce the 6000 a
sergiy2304 [10]
<h2><u><em>Answer:</em></u></h2><h2><u><em></em></u></h2><h2><u><em>work done by 150 men on 1 day=6000/15.</em></u></h2><h2><u><em></em></u></h2><h2><u><em>work done by 1 man on 1 day=6000/(15*150).</em></u></h2><h2><u><em></em></u></h2><h2><u><em>work done by 50 men on 1 day=(6000*50)/(15*150).</em></u></h2><h2><u><em></em></u></h2><h2><u><em>let X days taken to produce 6000 articles by them, then</em></u></h2><h2><u><em></em></u></h2><h2><u><em>((6000*50)/(15*150))X=6000.</em></u></h2><h2><u><em></em></u></h2><h2><u><em>on solving X=45 days.</em></u></h2><h2><u><em></em></u></h2><h2><u><em>So 45 days will take for 50 men to produce 6000 articles.</em></u></h2><h2><u><em></em></u></h2><h2><u><em>Please mark me Brainliest</em></u></h2>
6 0
2 years ago
Can someone help me pls
ololo11 [35]

Answer:

A

Step-by-step explanation:

6 0
3 years ago
What is 2004 pennies worth?
marusya05 [52]
Penny is 1/100th worth of a dollar 
therefore 1 penny is equivalent to - 1/100th of a dollar 
then 100 pennies are equivalent to - 1 dollar - $1
then 2004 pennies are worth - \frac{1}{100} * 2004 = 20.04
the value is $20.04
answer is $20.04

4 0
3 years ago
Read 2 more answers
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