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ra1l [238]
3 years ago
12

Calcula y:

Mathematics
1 answer:
dybincka [34]3 years ago
7 0

Answer:

Step-by-step explanation:

-28x + 10y = -120

 40x + 10y = 180

12x = 60

x = 5: D is the answer

8(5) - 2y = 36

40 - 2y = 36

-2y = -4

y = 2: A is the other answer

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A regular square pyramid has volume of 2400 cm^3 and a height of 18 cm.
Nataly [62]

Answer:

the approximate base length of the pyramid is 20.0cm

6 0
3 years ago
Zoe has 5 pounds of potatoes. She has multiple recipes that require 3/4 pounds of potatoes. How many recipes will she be able to
7nadin3 [17]

To find the answer convert 5 into 5/1. To make it compatible with 3/4 you have to have the same denominator. So to make 5/1 compatible with x/4 you multiply both sides by 4, so it would be 20/4. And then to find how many recipes you can make you would multiply 3 to the highest number it can be that does not exceed 20. The closest 3 can get to 20 before exceeding it would be 6 times. 6/1x3/4 =18/4. So you could make 6 recipes and you would have 2 pounds of potatoes left.

Zoe can make 6 recipies and she will have 2 pounds of potatoes left.

4 0
3 years ago
Read 2 more answers
Solve for d 2 + d = 2 - 3 (d - 5) -2
Kobotan [32]

Answer:

3.25

Step-by-step explanation:

2 + d = 2 - 3 (d - 5) -2

d= -3d+15-2

4d=13

d= 13/4= 3.25

5 0
4 years ago
Read 2 more answers
What would the value of “c” need to be to make this a perfect square trinomial?
earnstyle [38]
144
***************************************************
3 0
3 years ago
Y =  7x +  3 <br> what is the X and Y intercepts
Neko [114]
To find the x intercept,plug a zero in for y and solve.
To find the y intercept,plug a zero in for x and solve.
y = 7x + 3
g = 7(0)+3
y = 3
(0,3)

y = 7x + 3
0 = 7x + 3
Subtract 3 from both sides.
-3 = 7x
Divide both sides by 7
-3/7 = x
(-3/7, 0)
3 0
4 years ago
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