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Elanso [62]
3 years ago
5

2.1(0.2x−1.4)=1.3(0.4x−3.5) simplify lots of points

Mathematics
1 answer:
Zina [86]3 years ago
5 0

Answer:

you need a y to get at least 1 point

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What is the midpoint of the segment shown below ?
Ivanshal [37]

(1,-1) and (4,-6)

midpoint:

x = (1 + 4)/2 = 5/2

y = (-1 - 6)/2 = -7/2


Midpoint (5/2, -7/2)


Answer

D.

(5/2, -7/2)

5 0
3 years ago
Read 2 more answers
Easy promise but I'm not too smart
Brrunno [24]
I can do them but do i solve for y?
4 0
2 years ago
The owner of a retail store is tracking his inventory for an annual report. The graph shows the remaining Inventory for a partic
padilas [110]

Answer:

y = -2.8x +69.4

Step-by-step explanation:

Let y represent units of inventory, and x represent days since the last replenishment. We are given points (x, y) = (3, 61) and (13, 33). The line through these points can be described using the 2-point form of the equation of a line:

... y -y1 = (y2-y1)/(x2 -x1)(x -x1)

Filling in the given point values, we have ...

... y -61 = (33 -61)/(13 -3)(x -3)

Simplifying and adding 61, we get ...

... y = -2.8x +69.4

6 0
3 years ago
URGENT PLEASE HELP Select the correct solution set. x + 17 ≤ -3 {x | x ≤ -20} {x | x ≤ 14} {x | x ≥ -20}
grigory [225]

Answer:

The correct answer is the first solution set.

Step-by-step explanation:

If we substitute -20 into the equation we get

-20+17≤-3

-3≤-3

So,the inequality is right.

We can check the second one

14+17≤-3

31≤3 The inequality is false.

We can check the last one

-20+17≤-3

-3≤3 It works however there is a difference between the first one and the last one and that is the sign.For the first one there x≤-20 meaning the greatest number x can be is -20.For the last one x≥-20 which means -20 is the least value x can be.

If we substitude -21 into the equation we get

-21+17≤-3

-4≤-3

The inequality is false because -4 is not smaller than -3.

So,the right answer is the first solution set.

7 0
3 years ago
This should be easy to answer with a calculator but I don’t really have a calculator on hand lol so please solve it for me:
GuDViN [60]

Answer:

- 132

Step-by-step explanation:

This can be evaluated without a calculator.

Take each part of the calculation and evaluate, that is

- 6(3)(- 4) = - 6 × - 12 = 72

3(3)²(- 4) = 3 × 9 × - 4 = - 12 × 9 = - 108

2(3)(- 4)² = 6 × 16 = 96

Putting the 3 parts back together

72 - 108 - 96

= 72 - 204

= - 132

6 0
3 years ago
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