3 years ago

5x+5y+5z=-60 4x+5y+6z=-67 x-y+z=-10. Eliminate

Mathematics

1 answer:

alukav5142 [94]3 years ago

6 0

You have to do standard algorithm

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What is the solution to the inequality 3a/2 < 24

rusak2 [61]

Answer:

a < 16

Step-by-step explanation:

We must get a alone to solve this. So first multiply by 2

3a/2 < 24

3a < 48

Divide by 3

a < 16

8 0

2 years ago

Naomi has 45 minutes to get ready for school she spends x minutes getting dressed write an expression that respetents the number

andriy [413]

ANSWER

$(45 - x) \: minutes$

EXPLANATION

Total minutes Naomi has at her disposal is 45 minutes.

The number of minutes she spends getting dressed is

$x$

To find the number of minutes she still has to get ready, we subtract the minutes spent from the total minutes.

The number of minutes she still have to get ready is

$(45 - x) \: minutes$

5 0

3 years ago

What is 2,001÷83 pls help i need to check my answer

Nina [5.8K]

Answer:

24.11

Step-by-step explanation:

2001 ÷ 83

83×2= 166

200-166=34 bring down the 1

341 ÷ 83

83×4= 332

341-332=9 add a decimal and bring down a 0

90÷83

90-83=7 bring down another 0

70÷83=0 brind down another 0 since 70 cannot be divided by 83 and have a whole number

700÷83

83×8=664

700-664=36

right now you have 24.108

round to the nearest tenth

24.11

7 0

3 years ago

A snowboarder is going down a mountain at a rate of 2000 feet per 20 minutes. At this rate how many feet will he have traveled a

Rudik [331]

Answer: 24,000 feet

Step-by-step explanation:

Well there is 60 minutes in an hour. So every 60 minutes you add by 6000

and 6000 x 4= 2400

5 0

3 years ago

Please help and Solve for x.

Serhud [2]

Answer:

$tan70 = \frac{opp}{adj} \\ \: \: = \frac{15}{x } \\ \\ x = \frac{15 }{tan70 } \\ \\ = \frac{15}{2.747} \\ \\ = 5.46$

since 5.46 is equal to 5.5...

I think the answer is the first one

7 0

3 years ago