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3 years ago

Choose the expanded form of this number. 598,695,790,597

1 answer:

5 0

500,000,000,000 + 90,000,000,000 + 8,000,000,000 + 600,000,000 + 90,000,000 + 5,000,000 + 700,000 + 90,000 + 500 + 90 + 7

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Which of these expressions shows a correct way to set up the slope formula for the line that passes through the points (3, 7) an

Karo-lina-s [1.5K]

Answer:

Step-by-step explanation:

option c is correct

6 0

3 years ago

what is the area of a trapezoid with bases of 8.2 CM + 5.9 cm and a height of 10 cm will mark brainiest

baherus [9]

Trapezoid area = ((sum of the bases) ÷ 2) • height
Trapezoid area = [(8.2 + 5.9) /2] * 10
Trapezoid area = (14.1 / 2) * 10
Trapezoid area =7.05 * 10
Trapezoid area = 70.50

Source:
http://www.1728.org/quadtrap.htm

5 0

3 years ago

Traces of surface x2 + y2 − z2 = 1. Determine the equation for the family of traces in x = n.

pickupchik [31]

Answer:

$\mathbf{y^2 -z^2 =1- n^2}$

Step-by-step explanation:

Give that:

the surface equation is $x^2 +y^2 -z^2 =1$

from the family of traces in x = n given that $x^2 +y^2 -z^2 =1$ , the equation can be represented as :

$n^2 +y^2 -z^2 =1$

$\mathbf{y^2 -z^2 =1- n^2}$

This represents a family of hyperbola for all values of n expects that n = ± 1

So, if n = ± 1,

Then

$y^2 - z^2 = 0$

(y-z) (y+z) = 0

y = ± z

So, for n = ± 1, it is a pair of line for y = z, y = -z

6 0

3 years ago

Type the correct answer in each box. Round numbers to the nearest tenth, if necessary.

nexus9112 [7]

ANSWER

$x = 1.6$

EXPLANATION

The given equation is:

$- 0.5x - 2 = 2x - 1 - 6$

Group similar terms to obtain:

$- 0.5x - 2x = - 5 - 1 + 2$

Simplify similar terms,

$- 2.5x = - 4$

Divide both sides by -2.5

$x = \frac{ - 4}{ - 2.5}$

$x = 1.6$

3 0

3 years ago

Read 2 more answers

(-3,1) (-7,-2) The slope is?

coldgirl [10]

Answer:

3/4

Step-by-step explanation:

Δy = y1 - y2 = 1 - (-2) = 3

Δx = x1 - x2 = -3 - (-7) = 4

Slope = Δy/Δx = 3/4

7 0

2 years ago