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Vsevolod [243]
3 years ago
9

How do you Solve 3-x=9

Mathematics
1 answer:
Setler79 [48]3 years ago
5 0

Answer:

<h2>x = -6</h2>

Step-by-step explanation:

3 - x = 9        <em>subtract 3 from both sides</em>

3 - 3 - x = 9 - 3

-x = 6             <em>change the signs</em>

x = -6

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In which measurement situations would the most appropriate unit of measurement be feet?
nikklg [1K]
The answer would be the distances that are not too large and not too small

A.legnth and width of a ball room
this would work because the next measurement is 1  mils and ball rooms are not that big


B. width of an eyelash. that is rediculously small so this is wrong

C. distanc from chicaco to san fransisco
way too far, use miles

D. height of a door
corect, door is apout 8 feet aprox


answer is A and D
5 0
3 years ago
Which of the following comparisons is FALSE?
dybincka [34]

Answer:

A

Step-by-step explanation:

Let's check each one-by-one.

a.

we know 3.79 liters is 1 gallon, so 4 liters IS NOT LESS THAN 1 gallon

THis is false.

b.

We know 1 feet is 0.30 meters, so definitely 1 foot is less than 1 meter.

This is true.

c.

we know around 28.35 grams is 1 ounce, so definitely 25 grams is less than 1 ounce.

THis is true.

d.

We know 1 km is approximately 0.62 miles so 10 km would be around 0.62*10 = 6.2 miles

So definitely 9 miles IS GREATER than 10 km.

THis is true.

So answer choice A is false, only.

4 0
3 years ago
Steps for solving 3x+18=54 are shown explain how step 1 helps solve the equation
Dennis_Churaev [7]

Answer:

The answer is x=12.

Step-by-step explanation:

First, to solve this equation you need to isolate the x variable. To isolate the variable, you must, subtract the other term from both sides. Subtracting 18 from both sides, you are left with 3x = 36. Since 3 times x = 36, dividing both sides by 3 gets you, x=12.

4 0
3 years ago
Solve 2 log3 x + log3 5 =125​
zepelin [54]

Answer:

x = √(3^125/ 5)

approx 2.9552445 * 10^29.

Step-by-step explanation:

2 log3 x + log3 5 =125​

log3 x^2 + log3 5 = 125

log3 (5x^2) = 125

3^125 = 5x^2

x^2 = 3^125/ 5

x = √(3^125/ 5)

This is a huge number

An approximation of it is 2.9552445 * 10^29.

3 0
3 years ago
What is 35% of 98? I need Help with this problem?
elena55 [62]
35% of 98 is 34.3

Change the percentage (35) into a decimal by dividing over 100:

35 / 100 = 0.3

Multiply the decimal and 98:

0.35 × 98 = 34.3
8 0
2 years ago
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