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2 years ago

What is the value of x in the figure shown below?

Mathematics

1 answer:

Julli [10]2 years ago

6 0

Answer:

110°

Step-by-step explanation:

Parallelograms have angles equal to the angle opposite to it, in this case the 110°

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Simplify the expression

asambeis [7]

Answer:

Step-by-step explanation:

given

- 4x²(3x - 7)

multiply each term in the parenthesis by - 4x²

= (-4x² × 3x) + ( - 4x² × - 7)

= - 12x³ + 28x² → B

6 0

2 years ago

Read 2 more answers

Its all one big question

Verdich [7]

Answer:

see explanation

Step-by-step explanation:

h(x) + k(x) = x² + 1 + x - 2 = x² + x - 1

(h + k)(2) = 2² + 2 - 1 = 4 + 2 - 1 = 5

h(x) - k(x) = x² + 1 - (x - 2) = x² + 1 - x + 2 = x² -x + 3

(h - k)(3) = 3² - 3 + 3 = 9 - 3 + 3 = 9

h(2) = 2² + 1 = 4 + 1 = 5

k(3) = 3 - 2 = 1

3h(2) + 2k(3) = (3 × 5) + (2 × 1) = 15 + 2 = 17

7 0

2 years ago

Read 2 more answers

Mrs.Wing is preparing to tape up posters made by her students on the wall. She cuts tape into 1/4 foot pieces. How many 1/4 piec

AlekseyPX

Answer:

Step-by-step explanation:

5 divided by 1/4

5 x 4

6 0

3 years ago

X+7y=24 and x-9y=-24 doing elimination

nirvana33 [79]

The easy thing to do is eliminate x by subtraction

x + 7y = 24
- x - 9y = -24
-------------------
16y = 48

now solve for y and then substitute the value into either original equation to find x

5 0

3 years ago

the boundary of a rectangular farm field in ireland has a straight rock wall along one side and fences along its other three sid

Inessa [10]

Answer:

781250 $ft^{2}$

Step-by-step explanation:

Let y is the length of the farm field

Let x is the width of the farm field

Given that, no fencing is necessary along the rock wall, so we can find the perimeter of the farm is:

2x + y = 2500 feet

<=> y = 2500 -2x

The are of the farm has the following formula:

A = x*y

<=> A = x(2500 - 2x)

<=> A = 2500x -2 $x^{2}$

To have the maximum area of field in square feet, we need to use differentials to estimate:

$\frac{dA}{dx}$ = 2500 - 4x

Set $\frac{dA}{dx}$ = 0, we have:

2500 - 4x = 0

<=> x = 625 feet.

=> y = 2500 - 2*625 = 1250 feet

So the maximum area of field is:

A = x*y = 625*1250 = 781250 $ft^{2}$

7 0

3 years ago