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3 years ago

Write 6.85• 10 to the 8th power in standard form

Mathematics

2 answers:

zimovet [89]3 years ago

7 0

6.85 x 10^8 = 685,000,000

hope that helps
--------------------------

vagabundo [1.1K]3 years ago

3 0

685,000,000 would be the right number. Hope this helps!

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Simplify. Rewrite the expression in the form 9n. (9-3)(912)=

Yakvenalex [24]

Answer:

Step-by-step explanation:

(9-3)*912 = 6 * 912

= 5472

= 9* 608

7 0

2 years ago

The point,(-2,3) is a solution to the following system. y>-2x-2 and y< 3 true or false

bija089 [108]

Answer:

false

Step-by-step explanation:

y>-2x-2

3>-2(-2) -2

3>4 -2

3>2

y< 3

3< 3

4 0

3 years ago

Read 2 more answers

Solve the following system of equations. What is one x-value of a solution?

gulaghasi [49]

Answer:

There is some mistake in the question, because the solutions are x = -1.445 and x = -34.555

Step-by-step explanation:

Given the functions:

f(x) = x² + 4x + 10

g(x) = -32x - 40

we want to find the points at which f(x) = g(x).

x² + 4x + 10 = -32x - 40

x² + 4x + 10 + 32x + 40 = 0

x² + 36x + 50 = 0

Using quadratic formula:

$x = \frac{-b \pm \sqrt{b^2-4(a)(c)}}{2(a)}$

$x = \frac{-36 \pm \sqrt{36^2-4(1)(50)}}{2(1)}$

$x = \frac{-36 \pm 33.11}{2}$

$x_1 = \frac{-36 + 33.11}{2}$

$x_1 = -1.445$

$x_2 = \frac{-36 - 33.11}{2}$

$x_2 = -34.555$

5 0

3 years ago

PLEASE HELP!!! Find the RANGE for the graph below using a set {} or interval __to__

GarryVolchara [31]

Answer:

y 10

Step-by-step explanation:

5 0

3 years ago

Find x+y+z from the following figure

hoa [83]

Step-by-step explanation:

the inner top vertex angle seems to be 90°, so x = 90° too. all angles around a single point in one side of a line are in total 180°.

also, remember, all angles inside a triangle always sum up to 180°.

so, the third inner angle of the triangle is

180 - 90 - 40 = 50°.

that makes z = 180 - 50 = 130°

and y = 180 - 40 = 140°.

8 0

2 years ago