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Marizza181 [45]
3 years ago
7

1 2 TIME REMAIN 50:24 How could Theo check his work? Check all that apply. Theo solved n + 5 = 11 for the unknown. The steps he

took are shown. He started with 5 tiles. He could substitute 5 forn in the original equation and add. He could substitute 6 for n in the original equation and add. Then he added tiles as he counted up to 11. He could subtract 5 from 11 and check that the answer is 6. He realized he added 6 more tiles to his original 5 to make 11. So he found the unknown to be 6. He could subtract 11 from 5 and check that the answer is 6. O He could put all the tiles in 1 pile to count them to see if there are 11 in all.​
Mathematics
1 answer:
elena-14-01-66 [18.8K]3 years ago
3 0

Answer:

so first you do the work than check

Step-by-step explanation:

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How are the numbers 342 and 324 alike? How are they different
barxatty [35]
The difference between 342 and 324 is different because the digits 2 and 4 are flipped. 


342 and 324 are alike because they have the same amount of digits. hope that helped.
4 0
3 years ago
music magic offers live streaming for $9.99 a month with downloads at $0.50 a song. You have $30 a month budgeted for this servi
marin [14]

Step-by-step explanation:

The equation 0.5s+ 9.99=30 describes the situation.

9.99 is the fixed amount

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Here 's' represents the number of songs download

0.5s+ 9.99=30 means

0.5 times the number of songs plus the fixed cost 9.99 should be equal to 30 dollars.

The solution to this equation is s=40.02.

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8 0
3 years ago
A jet moving at constant speed traveled 6,600 km in 3 hours. What was the speed of the jet?
DanielleElmas [232]

Answer:

The speed of the jet is 2,200\frac{km}{h}

Step-by-step explanation:

The speed traveled by the jet can be found using the relationship between distance and time. Because the problem gives the values for distance and time, they must be replaced in the equation and in this way the requested speed will be found.

1. Write the general equation for the speed:

Speed=\frac{Distance}{Time}

2. Replace the values of distance and time on the general equation for the speed and make the mathematical operations:

Speed=\frac{6,600km}{3hours}

Speed=2,200\frac{km}{h}

Therefore the speed of the jet is 2,200\frac{km}{h}

3 0
3 years ago
Read 2 more answers
2/3(12x+30)-12=0.4(15x+10)
nikdorinn [45]
Isolate the variable by dividing each side by factors that don’t contain variable.

Answer: x = -2

Hope this helps!
Have a great day!
7 0
3 years ago
Read 2 more answers
PLZ HELP ASAP SOLVE SIMMILAR TRIANGLES (BASIC)
GuDViN [60]

<span>By similarity of triangles we have the following relationship:</span>

<span> (x) / (6) = (18) / (9)</span>

<span> Simplifying we have:</span>

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<span> Clearing the value of x we have:</span>

<span><span> x = 6 * 2</span></span>

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<span><span> Answer:</span></span>

<span><span> The value of x for this case is equal to:</span></span>

<span><span> <span>X = 12</span></span>
</span>

5 0
4 years ago
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