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icang [17]
3 years ago
11

7^x^2=9^x how do I solve this using logs

Mathematics
1 answer:
Rina8888 [55]3 years ago
4 0
Apply lg on both sides.
lg7^x^2 = lg9^x
Bring the power forward.
x^2lg7 = xlg9
x^2/x = lg9/lg7
x = lg9/lg7 = 1.13
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ming mile from his house to the library and 2/3 mile from the library to the grocery store. of 11/12 mile it he goes from his ho
-Dominant- [34]

Answer:

Brandon is correct

Step-by-step explanation:

Brandon is running errands for his mother.

It is 1/4 mile from his house to the library and 2/3 mile from the library to the grocery store .

Brandon claims that he walked a total of 11/12 mile if he goes from his house to the library to the grocery store.

Distance from his house to the library = 1/4 mile

Distance from the library to the grocery store = 2/3 mile

Total distance Brandon walks from his house to the library to the grocery store = Distance from his house to the library + Distance from the library to the grocery store

= 1/4 + 2/3

Make both 1/4 and 2/3 have the same denominator to be able to add

The lowest common multiple (LCM) of 4 and 3 is 12

Therefore,

1/4 + 2/3

= (3+8)/12

= 11/12

Total distance Brandon walks from his house to the library to the grocery store = 11/12 mile

5 0
3 years ago
A clothing store donated a percent of every sale to hospitals. The total sales were $7,750 so the
Flauer [41]

Answer:

4%

Step-by-step explanation:

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6 0
3 years ago
Rectangle RSTU and the image R’S’T’U’ are graphed on the coordinate grid below.
Ksju [112]

The rectangle  R’S’T’U’ is a 90° counterclockwise rotation of RSTU so options (A) and (C) will be correct.

<h3>What is a rectangle?</h3>

The rectangle is a geometrical figure in which opposite sides are equal.

The angle between any two consecutive sides will be 90 degrees.

Area of rectangle = length × width.

Perimeter of rectangle = 2( length + width).

Given the rectangle RSTU if we plot it then it becomes a major horizontal rectangle.

If we transpose into R’S’T’U’ then it rotates 90 degrees counterclockwise and becomes a major vertical ractangle.

Hence the rectangle RSTU will rotate 90° counterclockwise to form  R’S’T’U’.

For more about rectangles,

brainly.com/question/15019502

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5 0
2 years ago
The constraints of a problem are listed below. What are the vertices of the feasible region?
Alex73 [517]
019:$:!!2&2&2&!:3jejdbbababhrjdnd
7 0
2 years ago
Tyler, Jackie, Pam, and Marc all live on the same street. Tyler lives 1/2 mile from the neighborhood's public school. Jackie liv
tatiyna

Answer:

pam

Step-by-step explanation:

you can make all fractions equivalent using a common denominator of 620 or change each to a decimal, then compare:

1/2 = .50

5/9 = .55

4/7 = .57

2/5 = .40

3 0
3 years ago
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