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Nina [5.8K]
3 years ago
13

Use the Distributive Property to expand 5(3x-8y)-4

Mathematics
2 answers:
lubasha [3.4K]3 years ago
8 0

Answer:

it should be 60x-160y

Step-by-step explanation:

777dan777 [17]3 years ago
8 0

Answer:

=15x+−40y+−4

Step-by-step explanation:

Distribute:

=(5)(3x)+(5)(−8y)+−4

=15x+−40y+−4

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Solve the equation using the method of completing the square 2x squared + 16 x - 8 0
Norma-Jean [14]

Answer:

-4 <u>+</u> 2*sqrt(5)

Step-by-step explanation:

2x^2+16x-8=0

Factor out the 2: 2(x^2+8x)-8=0

Add (b/2)^2 = (8/2)^2 = 16

2(x^2+8x+16)-8 = 0 + 2*16

2(x+4)^2=40

(x+4)^2=20

x+4=<u>+</u>sqrt(20)

x=-4<u>+</u>sqrt(20) = -4 <u>+</u> 2*sqrt(5)

4 0
4 years ago
Can you help me with this???
kvasek [131]
It would look like a diamond with circles around it
3 0
3 years ago
The price of milk tripled, and then rose another $0.75 per gallon. If the price now is AT LEAST $4.50 per gallon, which inequali
maks197457 [2]
The answer would be B because in the question it says the price tripled (3x) and that it rose another $0.75 (+0.75). It also says at least $4.50, meaning it could be 4.50 or more than 4.50. So, it's
3x + 0.75 \geqslant 4.50


3 0
3 years ago
Read 2 more answers
Jason ran 325 meters farther than Kim ran Kim ran 4.2 km how many meters did Jason run estimate to check your answer
exis [7]
Jason = J, Kim = K

K+325m = J
K = 4.2 km
convert km to m by multiplying by 1000
4.2km * 1000 = 4200m = K
so just plug in your values to get your answer : Jason ran 4525 meters
4200m + 325 = 4525m

7 0
3 years ago
Need help with this math problem
AysviL [449]

Answer:

CAB = 54

ABC = 21

ACB = 105

DCB = 75

Step-by-step explanation:

18x - 15 = (13x - 11) + (4x + 1)

18x - 15 = 17x - 10

x = 5

CAB = 13x - 11 = 13(5) - 11 = 65 - 11 = 54

ABC = 4x + 1 = 4(5) + 1 = 20 + 1 = 21

ACB = 180 - (CAB + ABC) = 180 - (54 + 21) = 180 - 75 = 105

DCB = 180 - ACB = 180 - 105 = 75

3 0
4 years ago
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