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disa [49]
3 years ago
14

Is x+x+x+x=4x true or false

Mathematics
1 answer:
Mkey [24]3 years ago
4 0

Step-by-step explanation:

X + x + x + x = 4x

4x = 4x

It is true

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The given triangles are similar. Solve for x.
Maru [420]
The first one is 21.93 rounded up to 22.
8 0
3 years ago
Express this is scientific notation
Vitek1552 [10]
Place the decimal point right after the first nonzero digit, which is 3. 

So you'll go from this 0.003045 to this 3.045 after this move.
 
Now ask yourself: "how many spots must I move the decimal point to get back to 0.003045?"

The answer is "3 spots to the left"

The exponent of the final answer is -3
The negative indicates "move left" and the 3 tells us how many places to move the decimal

Therefore, 0.003045 = 3.045 \times 10^{-3}

Answer: Choice C)
This is assuming you meant to write the -3 as an exponent
6 0
3 years ago
Solve please? I don't understand this please help
Zigmanuir [339]

Answer: 8

Step-by-step explanation: Found the ratio of 6/12, which is 1/2, so I used ?/16, plugged it in.

4 0
2 years ago
Mr. Ortiz pays a state tax of 10.4% on certain purchases. Which expression is the same as the total cost of p, a purchase of $14
Nata [24]

Answer:

idk

Step-by-step explanation:

IDK

4 0
3 years ago
Rectangle ABCD has vertices A(15, 18), B(−5, 3), C(1, −5), and D(21, 10).
erastova [34]

Answer:

1. 25

2. 10

3. 250

Step-by-step explanation:

Distance formula :√ (x2 - x1)² + (y2 - y1)² √ ()²  + ()²  

1. LENGTH OF AB :

A = 15,18

B = -5,3

√ (-5 - 15)²  + (3 - 18)²  

= √ 400 + 225

= 25

2. LENGTH OF AD :

A = 15,18

D = 21,10

√ (21 - 15)²  + (10 - 18)²  

= √36 + 64

= 10

AREA :

A=w x l

10 x25 = 250

4 0
2 years ago
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