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Leto [7]
4 years ago
6

2(1/2q+1)=-3(2q-1)+4(2q+1)

Mathematics
1 answer:
babymother [125]4 years ago
6 0
1q+2=-6q+3+8q+4
1q+2=2q+7
<span>-2q    -2q
</span>-q+2=7
<span>    -2 -2
</span>-q=<span>5
-1  -1
q=-5
</span>

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A dozen eggs cost 1.50$. How much will 18 eggs cost at the same rate?
Inga [223]

Answer:

$2.25

Step-by-step explanation:

A dozen = 12 eggs = $1.50

1 egg = 1.5 / 12 = 0.125

18 eggs = 0.125 * 18

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4 0
3 years ago
Sue and Kathy were doing their algebra homework. They were asked to write the equation of
faltersainse [42]

Answer:both students are incorrect

Step-by-step explanation:

The equation of a straight line can be represented in the slope intercept form as

y = mx + c

Where

m = slope = (change in the value of y in the y axis) / (change in the value of x in the x axis)

Slope = (y2 - y1)/(x2 - x1)

y2 = 1

y1 = 4

x2 = 6

x1 = - 3

Slope = (1 - 4)/(6 - -3) = -3/9 = -1/3

To determine the intercept, we would substitute m = -1/3, x = 6 and y = 1 into y = mx + c. It becomes

1 = -1/3 × 6 + c = -2 + c

c = 1 + 2 = 3

The equation becomes

y = -x/3 + 3

If the equation was written in the slope intercept form which is expressed as

y - y1 = m(x - x1)

It becomes

y - 4 = -1/3(x - - 3)

y - 4 = -1/3(x + 3)

Both students are incorrect

5 0
3 years ago
a crane lifts a pallet of concrete blocks 7 ft from the back of the truck . the truck driver away and the crane lowers the palle
n200080 [17]

Answer:

4 ft down as per the image attached.

5 ft down as per the question statement.

Step-by-step explanation:

Given that:

A Pallet of concrete blocks is at the back of a truck.

The pallet is lifted by the crane to a height of 8 ft (as per image attached ) or 7 ft (as per question statement) and then the truck moves forward.

Now, the pallet is lowered down to a distance of 12 ft.

To find:

The final position of the pallet relative to the position from the back of the truck?

Solution:

If we closely look at the figure attached, it can be interpreted that the pallet is taken 8 feet above and then 12 feet down.

Therefore, if we subtract 8 feet from 12 feet, we will have our answer.

So, the position of the pallet with respect to its position in the truck is =

12 ft - 8 ft = <em>4 ft down</em>.

If we consider the question statement:

12 ft - 7 ft = <em>5 ft down</em>

5 0
3 years ago
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