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igomit [66]
3 years ago
13

(8th grade question.) 40 points. Write all names that apply to each number.

Mathematics
2 answers:
Oksanka [162]3 years ago
8 0
HEYA!!!


The answers are :-

(i)121 upon square root of 121.
(ii)pi upon 2.

Hope it helps you.

:)
goldenfox [79]3 years ago
7 0

8. 121 over the root of 121

9. pi over 2

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Find the dimensions of a rectangle with a perimeter of 52cm if it’s length is 4cm more than its width
Zina [86]
So the perimeter(P) of a rectangle would be:
P= 2L+2W
L being the length and W being the width.
The problem says the length is 4cm more than the width, so L= 4+W.
So if we substitute L with 4+W, we get:
P= 2(4+W) + 2W
Use the Distributive Property
P= 8+2W+2W
Combine like terms
P=8+4W
Since we're given the perimeter, we could replace P with 52. So:
52=8+4W
Subtract 8 to both sides
44=4W
Divide 4 to both sides
11=W
Therefore, the width is 11cm
And since the length is 4cm more than the width, we could add 4cm to 11cm to find that the length is 15cm
Thus, the dimensions of the rectangle are 15cm by 11cm
5 0
3 years ago
In a bag of marbles you have 3 green, 2 yellow, 6 blue, and 9 red marbles. What is the probability of picking a yellow marble fr
slamgirl [31]
The answer is 2 in 20 or 1 in 10, all you have to do is add up the total number of marbles and then have the number of yellow in the total. So 2 in 20. Hope this helps you!
4 0
3 years ago
A submarine is traveling at a constant speed below sea level . The equation y = -50x-75 can be used to represent this situation
ki77a [65]

Answer:

From a starting location of 75 feet below sea level, the submarine is descending 50 feet per hour. Answer is.D

Step-by-step explanation:

Used an Calculator  

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5 0
2 years ago
Read 2 more answers
How much lighter is 345 g than 1,1 kg​
NemiM [27]

Answer:

755 gram lighter

Step-by-step explanation:

Convert 1.1kg into gram by multiplying it with 1000

1.1 x 1000= 1100 and we take this amount and subtract it with 345g

1100-345= 755g

3 0
3 years ago
Algebra help. Zoom in if you can
Artist 52 [7]
Answers:

Pair-1: log_{2}x = 5 ↔ 32
Pair-2: log_{10}x = 3 ↔ 1000
Pair-3: log_{4}x = 2 ↔ 16
Pair-4: log_{5}x = 4 ↔ 625

Explanation:

Pair-1:
log_{2}x = 5 \\  \frac{ln(x)}{ln(2)} = 5 \\ ln(x) = 5 * ln(2) \\ x = e^{5*ln(2)} \\ x = 32

Pair-2:
log_{10}x = 3 \\ \frac{ln(x)}{ln(10)} = 3 \\ ln(x) = 3 * ln(10) \\ x = e^{3*ln(10)} \\ x = 1000

Pair-3:
log_{4}x = 2 \\ \frac{ln(x)}{ln(4)} = 2 \\ ln(x) = 2 * ln(4) \\ x = e^{2*ln(4)} \\ x = 16

Pair-4:
log_{5}x = 4 \\ \frac{ln(x)}{ln(5)} = 4 \\ ln(x) = 4 * ln(5) \\ x = e^{4*ln(5)} \\ x = 625
7 0
3 years ago
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