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9966 [12]
3 years ago
15

Write the base-ten number for 400 + 50+ 1.​

Mathematics
1 answer:
TiliK225 [7]3 years ago
8 0

Answer:

451

Step-by-step explanation:

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Sam draws two polygons that are similar. The
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scale:\frac{10}{16}=\frac{5}{8}\\\\Solution:\frac{5}{8}\times4cm=\frac{5}{2}cm=2.5cm
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3 years ago
How do you do number 1?<br>Whenever I tried to answer it, I always get fraction. help me.​
Flura [38]

Answer:

The pairs are (13,15) and (-15,-13).

Step-by-step explanation:

If n is an odd integer, the very next odd integer will be n+2.

n+1 is even (so we aren't using this number)

The sum of the squares of (n) and (n+2) is 394.

This means

(n)^2+(n+2)^2=394

n^2+(n+2)(n+2)=394

n^2+n^2+4n+4=394               since (a+b)(a+b)=a^2+2ab+b^2

Combine like terms:

2n^2+4n+4=394

Subtract 394 on both sides:

2n^2+4n-390=0

Divide both sides by 2:

n^2+2n-195=0

Now we need to find two numbers that multiply to be -195 and add up to be 2.

15 and -13 since 15(-13)=-195 and 15+(-13)=2

So the factored form is

(n+15)(n-13)=0

This means we have n+15=0 and n-13=0 to solve.

n+15=0

Subtract 15 on both sides:

n=-15

n-13=0

Add 13 on both sides:

n=13

So if n=13 , then n+2=15.

If n=-15, then n+2=-13.

Let's check both results

(n,n+2)=(13,15)

13^2+15^2=169+225=394.  So (13,15) looks good!

(n,n+2)=(-15,-13)

(-15)^2+(-13)^2=225+169=394.  So (-15,-13) looks good!

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3 years ago
Jenny determined 18% of the students in school take their lunch. There are 2000 students in the school. How many students take t
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Answer:

111 students because they like to drink good water

Step-by-step explanation:

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The sixth grade class sold sweatshirts with their school logo to raise money for a field trip they bought 220 sweatshirts for $8
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They made a profit of $1,430. Simple math. Multiply 8*220 to see how much they spent. Then multiply 14.50*220 to see how much they received from all the sweatshirts. Lastly, subtract how much they spend versus how much the made.<span />
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Negative ten is no less than two times a number plus fourteen <br> can you please solve it
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Answer:

-12≥x

Step-by-step explanation:

-10≥2x+14

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-12≥x

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