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anygoal [31]
3 years ago
10

The answer for this I need it

Mathematics
1 answer:
laila [671]3 years ago
5 0
The answer to the question is b

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A plumber has a 2.5 meter long copper pipe. He needs to cut lengths of 60cm,35cm and 90cm
Dima020 [189]
Hello.

The answer is 2315 cm.

To get the answer the equation is: 2500 - (60 +35 +90 )
To get 2500: 2.5 meters is 2500 cms
Then you would subtract how much he needs.

have a nice day
8 0
3 years ago
Miguel wants to buy a new stereo that costs $320. He has $40 in March, $80 in April, and $120 in May. If this pattern continues,
igor_vitrenko [27]
March, April, and May correspond to 3,4, and 5th months.  Each month the amount of money he saves increases by $40, so this is a constant rate of change, or constant velocity, which means that this is a linear equation.  Let y=the amount of money he has and x=the month number and model it with the line of form y=mx+b, where m=slope, or rate, and b=y-intercept...

y=40x+b, we know that he has $40 on the third month (February) so:

40=40(3)+b

40=120+b

-80=b so the equation is:

y=40x-80  (note that the domain is x=[3, +oo) only for the function to have meaining)

Now you want to know when he has $320...

320=40x-80  

400=40x

10=x

So he will have $320 on the 10th month, which is October.
8 0
3 years ago
Guysssss I'm struggling in mathh :( I need help
Sedaia [141]

Answer:

The first two is x=60

Step-by-step explanation:

1.5/90 = 1/x

1.5x = 90 x 1

1.5x/1.5 = 90/1.5

x = 60

5 0
3 years ago
Read 2 more answers
Anybody know how to do # 14, 15, and 16? Would also be nice if yall told me if any of these were wrong
mote1985 [20]

Step-by-step explanation:

1. Right

2. Right

3. Right

4. Right

5. Right

6. Right

7. Its not properly visible sorry for this.

8. Its wrong

(\frac{1}{3} ) {}^{2}  =  \frac{1}{9}

9. Right

10. Its wrong

0.5 {}^{3}  = 0.125

11. Right

12. Its wrong.... Bcz square of minus is plus

- 9 {}^{2}  = 81

13. Right

14. According to the BODMAS rule..

15 - 7 \times 2 +  {2}^{3}

15 - 14 + 8

1 + 8 = 9

15.

(11 - 8) {}^{2}  - 2 \times 6

3 {}^{2}  - 12

9 - 12 =  - 3

16.

12 +  \frac{ {9}^{2} }{3}

12 +  \frac{81}{3}

12 + 27 = 39

<h3>Hope this helps u </h3>

... ✌️❤️

7 0
3 years ago
ms.morgan bought 3.5 pounds of bananas at $0.51 a pound and 4.5 pounds of pineapple at $1.19 a pound.how much did she pay for th
Tanzania [10]
3.5*0.51 = 1.785
4.5*1.19 = 5.355
1.785 + 5.355 = 7.14
Ms Morgan paid $7.14c for the bananas and pineapples.
4 0
3 years ago
Read 2 more answers
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