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3 years ago

The number of 90° angles formed by the intersections of and the two parallel lines and is

Mathematics

1 answer:

Ber [7]3 years ago

3 0

Answer:

is there supposed to be a picture that goes with this

Step-by-step explanation:

: 0

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What value of x satisfies the equation x + 3 = -(x + 1)? a. x = 8

ludmilkaskok [199]

Answer:

-2

Step-by-step explanation:

x + 3 = -(x + 1)

open the bracket

x + 3 = -x -1

x+x= -1-3

2x= -4

X = -4/2= -2

8 0

3 years ago

Solve by graphingggggggg

olga_2 [115]

Answer:

Y can't i see the pic

Step-by-step explanation:

6 0

2 years ago

Read 2 more answers

The perimeter of Mike’s garden is 110 ft. It is 9.5 ft wide. Write an equation with one variable to determine the length (l) of

leonid [27]

Answer:

1,045

Step-by-step explanation:

3 0

3 years ago

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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

3 years ago

Read 2 more answers

Which expression correctly represents “nine less than the quotient of a number and four, increased by three

Natasha2012 [34]

The required expression is $\frac{x}{4}-9+3$

Step-by-step explanation:

We need to identify the expression correctly represents “nine less than the quotient of a number and four, increased by three"

Solving:

Let the number is x

The quotient of number and four: $\frac{x}{4}$

nine less than the quotient of a number and four: $\frac{x}{4}-9$

Increased by 3 : $\frac{x}{4}-9+3$

So, nine less than the quotient of a number and four, increased by three is:

$\frac{x}{4}-9+3$

So, The required expression is $\frac{x}{4}-9+3$

Keywords: Write algebraic expression from words:

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3 0

3 years ago