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Makovka662 [10]
2 years ago
6

Pythagorean theorem round to the nearest tenth !!

Mathematics
1 answer:
IRINA_888 [86]2 years ago
8 0

Answer:

8,06

Step-by-step explanation:

c = Va^2+b^2 = V4*4+7*7 = v65 = 8,06

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5. Louis has 21 coins in his pouch, how many nickels and<br> dimes does he have if he has $1.35?
PolarNik [594]
N + d = 21
0.5n + 0.10d = 1.35
5n + 10d = 135
d = 21-n
5n + 210 - 10n = 135
-5n = -75
n = 15
d = 6
3 0
3 years ago
Jenny bought a 5 notebooks and 2 pencils, and the total was 9 dollars.
weeeeeb [17]
You would solve this with simultaneous equations, so if we write it as:
5n + 2p = 9
3n + 2p = 6
(subtract)
2n = 3
÷ 2
notebooks = 1.5

Now you would substitute it in:
(3 × 1.5) + 2p = 6
4.5 + 2p = 6
- 4.5
2p = 1.5
÷ 2
pens = 0.75

So your final answer is notebooks are $1.50 and pens are $0.75, I hope this helps!
6 0
3 years ago
A 9.3 m<br> b. 13.3 m<br> C. 18 m<br> d. 21 m<br><br> Which answer is it
Novosadov [1.4K]

Answer:

I would say A

Step-by-step explanation:

hmu if you need more help

7 0
3 years ago
HELP PLEASEEEEEEEE!!!!!!!!!!!!!!!!!
mariarad [96]
Plus or minus 3. (The 1st answer)

x^2 means (-3*-3) which equals 9

x^2 means (3838) which also equals 9

6*9=54

7 0
3 years ago
Read 2 more answers
Please help asap!!! i’ll give lots of points
Harrizon [31]

Answer:

all you have to do is multiply it through and divide it out.

Step-by-step explanation:

8 0
3 years ago
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