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sergiy2304 [10]
3 years ago
10

Write an equation for the following situation:

Mathematics
2 answers:
Elina [12.6K]3 years ago
4 0
Y=300+40*x
maybe like this after 6 weeks she had $300 and then she began to save $40 per week (40x)

IRISSAK [1]3 years ago
3 0
Y * x = $300    hope it helps   
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How do i solve this |6x-3|=7
Y_Kistochka [10]

Answer:

x=5\3,-2\3

Step-by-step explanation:

7 0
3 years ago
Solve for z. 8z − 4 = 7z
aleksandr82 [10.1K]

8z − 4 = 7z

move 8z to the other side

sign changes from +8z to -8z

8z-8z-4=7z-8z

-4= 7z-8z

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mutiply both sides by -1 to get +z

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Answer:

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5 0
3 years ago
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Find the percent of the area under the density curve where x is more than 3. <br>​
Gekata [30.6K]

Answer:

The percent of the area under the density curve where x is more that 3 is 25 %.

Step-by-step explanation:

Since the density curve is a linear function, the area under the curve can be calculated by the geometric formula for a triangle, defined by the following expression:

A = \frac{1}{2}\cdot (x_{f} - x_{o})\cdot  (y_{f}-y_{o}) (1)

Where:

A - Area, in square units.

x_{f} - x_{o} - Base of the triangle, in units.

y_{f} - y_{o} - Height of the triangle, in units.

The percent of the area is the ratio of triangle areas under the density curve multiplied by 100 per cent, that is:

x = \frac{\frac{1}{2}\cdot (5-3)\cdot (0.25) }{\frac{1}{2}\cdot (5-1)\cdot (0.5) }\times 100\,\%

x = 25\,\%

The percent of the area under the density curve where x is more that 3 is 25 %.

7 0
3 years ago
If the sum of the measures of the interior angles of a polygon is 2340, find the number of sides of the polygon.
vladimir1956 [14]
14 

The polygon is a 14gon / it has 14 sides
7 0
3 years ago
A frame is marked down by 22 percent from an original price of $14.50. What is the new price?
nydimaria [60]

Answer:

$11.31

Step-by-step explanation:

$14.50x .22= 3.19

$14.50- 3.19= 11.31

3 0
2 years ago
Read 2 more answers
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