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ankoles [38]
4 years ago
14

Factor completely 5b2+20ab+15a2

Mathematics
1 answer:
NikAS [45]4 years ago
4 0

Answer:

5(3a+b)(a+b)

Step-by-step explanation:

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Write an equation of the line with a slope of -2/7 and y intercept of 5
sesenic [268]

Answer:

y = -2/7+5

Step-by-step explanation:

Hope this helps!

8 0
3 years ago
Does anyone know the answers to this algebra question? Will give brainiest
MaRussiya [10]
Option 1 : -22

using formula

(a + b )(a - b ) = a^2 - b^2

(√10 + 2√8) (√10 - 2√8)

= (√10)^2 - (2√8)^2

= 10 - 2×2×8=10-32

= -22

2nd question answer is option 3
3 0
3 years ago
If Included in the table, which ordered pair (-4,1) or (1,-4), would result in a relation that is no longer a function. Explain
Kruka [31]

Answer:

(-4,1)

Step-by-step explanation:

Ordered pair (-4,1) means that x = -4 and f(x) = 1

Ordered pair (1,-4) means that x = 1 and f(x) = -4

From the table, we can see that the function is already defined for x = -4, but it is not defined for x = 1. So, the point (1,-4) can be included into the function, but the point (-4,1) cannot.

4 0
3 years ago
If you have a cubic polynomial of the form y = ax^3 + bx^2 + cx + d and lets say it passes through the points (2,28), (-1, -5),
MArishka [77]

Answer:

a = 3

b = 2

c = 0

d = -4

Step-by-step explanation:

Form 4 equations and solve simultaneously

28 = a(2)³ + b(2)² + c(2) + d

28 = 8a + 4b + 2c + d (1)

-5 = -a + b - c + d (2)

220 = 64a + 16b + 4c + d (3)

-20 = -8a + 4b - 2c + d (4)

(1) + (4)

28 = 8a + 4b + 2c + d

-20 = -8a + 4b - 2c + d

8 = 8b + 2d

d = 4 - 4b

Equation (2)

c = -a + b + d + 5

c = -a + b + 4 - 4b+ 5

c = -a - 3b + 9

28 = 8a + 4b + 2c + d (1)

28 = 8a + 4b + 2(-a - 3b + 9) + 4 - 4b

28 = 6a - 6b + 22

6a - 6b = 6

a - b = 1

a = b + 1

220 = 64a + 16b + 4c + d (3)

220 = 64(b + 1) + 16b + 4(-b - 1 - 3b + 9) + 4 - 4b

220 = 60b + 100

60b = 120

b = 2

a = 2 + 1

a = 3

c = -3 - 3(2) + 9

c = 0

d = 4 - 4(2)

d = -4

8 0
4 years ago
Read 2 more answers
What is the area of the rectangle in square inches ? the dimensions is 5/6 x 1/3
balandron [24]

Answer:

  5/18 in²

Step-by-step explanation:

The area of a rectangle is found by multiplying its length by its width. For dimensions of 5/6 in by 1/3 in, the area is ...

  (5/6 in)·(1/3 in) = 5/18 in²

3 0
4 years ago
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