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FinnZ [79.3K]
3 years ago
14

20 points!! please show me how to do this for d + 4 < 7

Mathematics
1 answer:
Vilka [71]3 years ago
4 0

Step-by-step explanation:

d+4

Solve for d, by subtracting 4 from both sides.

d+4-4

d

To graph the solution, draw a number line, make a hollow circle on 3 and draw an arrow pointing left towards negative numbers. The circle has to be hollow because the solution does not include 3.

To check your work, substitude d for any number less than 3. In this case, let's try with 2.

d+4

This is true. 7 is greater than 6.

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​
pashok25 [27]

Answer:

Let's call:

f = price of 1 cup of dried fruit

a = price of 1 cup of almonds

In order to build the linear system, you need to consider that the total price of a bag is given by the sum of the price of cups times the number of cups in each bag, therefore:

Solve for a in first equation:

a = (6 - 3f) / 4

Then substitute in the second equation:

41/2 f + 6 · (6 - 3f) / 4 = 9

41/2 f + 9 - 9/2 f = 9

16 f = 0

f = 0

Now, substitute this value in the formula found for a:

a = (6 - 3·0) / 4

  = 3/2 = 1.5

Hence, the cups of dried fruit are free and 1 cup of almond costs 1.5$

Step-by-step explanation:

8 0
2 years ago
What are the coordinates of the point 1/4 of the way from A to B?
lisov135 [29]

Answer:

7 units

Step-by-step explanation:

8 0
4 years ago
Expand 3(z+3) please help me solve this
mojhsa [17]

Answer:

3(z+3) = 3z + 9 if thats what your asking

Step-by-step explanation:

7 0
3 years ago
Find the area and the circumference of a circle with diameter 3 ft.
Zigmanuir [339]

Step-by-step explanation:

circumference of a circle

2×pi×r

area of a circle

pi×r²

r (radius) = diameter/2 = 1.5ft

we shall assume pi to be 3.14

circumference is

2×3.14×1.5 = 3.14×3 = 9.42 ft

area is

3.14 × 1.5² = 3.14×2.25 = 7.065 ft²

3 0
3 years ago
Write the equation of the line that passes through the points (-4,-4) and (6,3).
Phantasy [73]
I hope this helps I took both of the points and used the slope formula to get my slope which is 7/10 then I took any point from those two then I plugged it in to get the point slope form

Answer: y-3=7/10(x-6)

6 0
3 years ago
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