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Dimas [21]
3 years ago
7

Helpppp!Match the following graphs to the right system.

Mathematics
1 answer:
Brut [27]3 years ago
3 0
Once they are put into standard form:
1. y≤-3/2x+6   Original: 3x+2y≤12
2. y≥6/5x-6     Original: 6x-5y≤30
3. y≥-3/2x+6    Original: 3x+2y≥12
4. y≥6/5x-6      Original: 6x-5y≥30

Answers:

The first graph:
Blue line: 3x+2y≤12
Red line: 6x-5y≥30

The second graph:
Blue line: 3x+2y≥12
Red line: 6x-5y≤30

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Ethan had 81 CDs until he won c more in a contest. Choose the expression that shows how many CDs Ethan has now.
s344n2d4d5 [400]
Add the 81 CDs Ethan had at first and add the number c he won at the contest to get the total number of CDs after the contest.
Making b the correct answer
7 0
3 years ago
What is the surface area of the solid that this net can form?
Ivanshal [37]

Option B:

Surface area of the solid is 730 square millimeters.

Solution:

Area of the rectangle = length × breadth

Length of the top net = (25 + 8 + 8) mm = 41 mm

Breadth of the top net = 5 mm

Area of the Top net = 41 mm × 5 mm

                                 = 205 square mm

Area of the second net = 25 mm × 8 mm

                                 = 200 square mm

Area of the third net = 25 mm × 5 mm

                                  = 125 square mm

Area of the bottom net = 25 mm × 8 mm

                                       = 200 square mm

Surface area of the solid = 205 mm + 200 mm + 125 mm + 200 mm

                                         = 730 square mm

Hence surface area of the solid is 730 square millimeters.

Option A is the correct answer.

6 0
3 years ago
Read 2 more answers
Find the volume of a square pyramid with base edges of 48 cm and a slant height of 26 cm.
solmaris [256]
The volume of a square pyramid can be derived from the expression that the volume of an object is equal to the product of the area of the base times its height. For a square pyramid, it can be simplified as V = a^2(h)/3 where a is the side of the square base and h is the height. However, we are given the slant height. The equation would be:

V = a^2(h)/3

s^2 = (a/2)^2 + h^2     where s is the slant height
h = √( s^2 - (a/2)^2)
h = √( 26^2 - (48/2)^2)= 10

V = 48^2(10)/3 = 7680 cm^3 --> OPTION C

3 0
2 years ago
I need help please help
Aleks [24]
What do you need help with?
8 0
2 years ago
-6·f(-3)-5·g(-7)= please help
kicyunya [14]

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Hi my lil bunny!

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-6*f(-3)-5*g(-7)

Steps : <u>3</u>

Apply rule : - (-a) = a

= 6f * 3 + 5g * 7

Multiply the numbers : 6 * 3 = 18

= 18f + 5 * 7g

Multiply the numbers : 5 * 7 = 35

= 18f + 35g

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Have a great day/night!

❀*May*❀

7 0
3 years ago
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