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FinnZ [79.3K]
3 years ago
15

One number is twice another number. If the larger is diminished by 10, the result is 2 more than the smaller. Find the numbers.

Mathematics
1 answer:
Stolb23 [73]3 years ago
8 0

2x-10=2. (Answer=6)

2x=12 (you move the -10 to the other side of the equation to make it positive)

Then you divide by 2

2x divided by 2 equals x 12 divided by 2 is 6

So your number is 6. x=6

And you can check this by redoing the equation but putting 6 instead of x

2(6)-10=2

12-10=2

2=2

This equation is true therefore, your unknown number is 6

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If 3/4 of the 200 seeds sprouted, how many seeds did not sprout?​
katen-ka-za [31]

Answer:

The exact answer is 16.6666666667. Rounded would be about 17.

Step-by-step explanation:

Hope i was right and this helped!

5 0
3 years ago
Read 2 more answers
Need help with 15, 16, 17 and 18. Please provide an explanation. Also list in least to greatest. Thank you in advance!
EleoNora [17]
15. 99%, 0.95, 5/9, 9.5%
Make all decimals: .99, .95, .55, .095
List: Zero is less than 9 or 5 so it's first than 5 and than 9, you have two 9's so 5 is less than 9: .095, .55, .95, .99

16. 3/8, 50%, 0.35, 38%
Same steps: .375, .50, .35, .38
3 is less than 5 and 5 is less than 8 or 7 so: .35, .375, .38, .5

And do the same thing for the other two problems :)
8 0
3 years ago
Draw a graph of the circle with equation x²+y²=9.What are the solutions to the system of circle and line when the circle is give
aleksandrvk [35]

Answer:

(-2.23606, 2) and (2.23606, 2)

Step-by-step explanation:

x^2+y^2=9

y=2

The circle has its center situated at the origin and radius of 3 units

Applying the value of y to the first equation

x^2+2^2=9

\Rightarrow x^2=9-4

\Rightarrow x^2=5

\Rightarrow x=\sqrt{5}

\Rightarrow x=\pm 2.23606

So, the points where the line will intersect the circle is (-2.23606, 2) and (2.23606, 2)

6 0
3 years ago
The product of a number and -5 is at least 35. Write as an inequality.
sineoko [7]

<em>Product hints at multiplication so -5n is AT LEAST meaning that it is at or greater than 35....</em>

<em />

-5n ≥ 35

3 0
3 years ago
Read 2 more answers
Four times the sum of half a number and 6 is 48
katrin [286]

Answer:

<h3>The number is 12</h3>

Step-by-step explanation:

Let the number be x

Half a number is written as 1/2x

So we have

Four times the sum of half a number and 6 is 48 is written as

4( \frac{1}{2} x + 6) = 48 \\ 2x + 24 = 48 \\ 2x = 48 - 24 \\ 2x = 24

Divide both sides by 2

That's

\frac{2x}{2}  =  \frac{24}{2}

We have the final answer as

<h3>x = 12</h3>

Hope this helps you

6 0
3 years ago
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