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3 years ago

Which of the following is equivalent to log 7^ 50 rounded to three decimal places?

Mathematics

1 answer:

otez555 [7]3 years ago

4 0

7^50
= 1.798 × 10^42

i am a mathematics teacher. if anything to ask please pm me

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Elan Coil [88]

Answer:

should be 4 square units

the base of the triangle is 1 and the height is 8 so you do 1x8 the divide by 2 to get 4 so then you get the area.

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3 years ago

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What is the graph of the function rule? y = 3x - 2 Choose from the pictures

bulgar [2K]

we have

$y=3x-2$

we know that

this is the equation of a line, to identify which is the graph we will proceed to determine the points of intersection with the coordinate axes

1) Find the y-intercept

the y-intercept is when the value of x is equal to zero

For $x=0$

find the value of y

$y=3*0-2$

$y=-2$

2) Find the x-intercept

the x-intercept is when the value of y is equal to zero

For $y=0$

find the value of x

$0=3x-2$

$x=(2/3)$

therefore

the answer is the option B ( see the attached figure)

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3 years ago

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Select the equivalent expression. A, B or C?

Alina [70]

Answer:

Step-by-step explanation:

The relevant rules of exponents are ...

(a^b)^c = a^(bc)

a^-b = 1/a^b

$\left(\dfrac{2^{-10}}{4^2}\right)^7=\dfrac{2^{(-10)(7)}}{4^{(2)(7)}}=\dfrac{2^{-70}}{4^{14}}\\\\=\boxed{\dfrac{1}{2^{70}\cdot 4^{14}}}$

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3 years ago

Find the midpoint of the line segment with the endpoints A and B. A(4.8): B(10,2)

rjkz [21]

Answer:

The midpoint is ( 7,5)

Step-by-step explanation:

To find the x coordinate of the midpoint, add the x coordinate of the endpoints and divide by 2

( 4+10)/2 = 14/2 = 7

To find the y coordinate of the midpoint, add the y coordinate of the endpoints and divide by 2

(8+2)/2 = 10/2 = 5

The midpoint is ( 7,5)

6 0

3 years ago

How many solutions does the equation x^2-9x=-8 have?

Elza [17]

X^2-9x=-8
x^2-9x+8=-8+8
x^2-9x+8=0
(x-8)(x-1)=0

x-8=0
x-8+8=0+8
x=8

x-1=0
x-1+1=0+1
x=1

There are 2 solutions, which are 1 and 8

8 0

3 years ago