Given the figure above, determine

Answers

Answer 1

Answer:

Answer:

what is it I didn't understand sorry

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2x^2-7x-15

put this function into standard form

Answers

Answer:

It is already in standard form. $2x^2-7x-15$ is correct.

Step-by-step explanation:

The standard form of a quadratic equation (which this equation is since there is an $x^2$ term) is described as $ax^2+bx+c=0$ , where a≠0.

A farm yard contains some pigs and some chickens. Altogether there are 60 heads and 200 legs. How many pigs are there in the yard?

Answers

Answer:

40 pigs.

Step-by-step explanation:

p=pigs c=chickens.

4p=pigs have 4 legs.

2c=chickens have 2 legs.

4p+2c=200

p+c=60

Do the elimination method:

4p+2c=200

(-4)p+c=60

4p+2c=200

-4p-4c=-240

-2c=-40

c=20

p+20=60

p=60-20

p=40

Hope this helps!

BRAINLIEST would help me a lot:)

Solve for x in the triangle below. Show your work for full credit

Answers

Answer:

x = 3

Step-by-step explanation:

Since the sum of the interior angles of a triangle is always equal to 180°. This is regardless of the size or shape of the triangle.

In this case:

We can say that:

$\sf 45^\circ + 90^\circ + (8x+21)^\circ =180^\circ$

Simplify like terms:

$\sf 45^\circ + 90^\circ + 8x+21^\circ =180^\circ$

$\sf 156^\circ +8x = 180^\circ$

Subtract 156° on both sides:

$\sf 156^\circ +8x -156^\circ= 180^\circ- 156^\circ$

Simplify:

$\sf 8x = 24^\circ$

Divideby8 on both sides:

$\sf (8x)/(8)=(24)/(8)$

$\sf x = 3$

Therefore, the value of x is 3.

Answer:

$\sf\n\textsf{The square angle in the triangle indicates }90^o.\n\n\textsf{Since sum of angles of triangle equals }180^o,\n\n(8x+21)^o+45^o+90^o=180^o\n\textsf{or, }(8x+21)^o=45^o\n\textsf{or, }8x=24^o\n\therefore\ x=3^o$

(8b2+6b-1) (8b2-8b+7)

Answers

=(8b2+6b+−1)(8b2+−8b+7)
=(8b2)(8b2)+(8b2)(−8b)+(8b2)(7)+(6b)(8b2)+(6b)(−8b)+(6b)(7)+(−1)(8b2)+(−1)(−8b)+(−1)(7)
=64b4−64b3+56b2+48b3−48b2+42b−8b2+8b−7
Answer:
=64b4−16b3+50b−7

What's the simplified form of x-1+4+7x-3

Answers

x-1+4+7x-3
x+7x-3-1+4
8x-4+4
8x

:)

Solution

1) Gather like terms

(x+7x)−1+4−3

2) Simplify

8x−1+4−3

3) Simplify

8x

Write an integer expression using absolute value symbols to represent the verbal expression.-the absolute value of negative eight-
Enter the correct answer in the box.

Answers

Answer:

$Absolute\ Value = 8$

Step-by-step explanation:

Given

Digit = -8

Required

Determine the absolute value

The absolute value is calculated as follows;

$Absolute\ Value = |Digit|$

Substitute -8 for Digit

$Absolute\ Value = |-8|$

And it returns the positive of its input;

$Absolute\ Value = 8$

Final answer:

The absolute value of negative eight is represented by |-8|. In mathematics, absolute value refers to the distance of a number from zero, disregarding its sign.

Explanation:

The verbal expression 'the absolute value of negative eight' can be written as an integer expression using absolute value symbols as follows: |-8|. The symbol | | denotes the absolute value. Absolute value is a mathematical concept that refers to the non-negative value of an integer, ignoring its sign. Hence, the absolute value of -8 is 8, because 8 is the distance that -8 is from zero on the number line.