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Yanka [14]
4 years ago
7

Plzzzzzzzz help!!!!!!!!!

Mathematics
1 answer:
aev [14]4 years ago
7 0

Answer:

20

Step-by-step explanation:

The ratio is 3:5, so 3x4 equals 12, then 5x4=20.

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A rectangle measures 15 cm by 4 cm what's it's area
schepotkina [342]
The way you find area is multiplying width times height, so you have to multiply 15 by 4 which equals 60. Therefore the answer is 60
5 0
3 years ago
Find all integers $n$ for which $\frac{n^2+n+1}{n-1}$ is an integer.
Grace [21]
\dfrac{n^2+n+1}{n-1}=\dfrac{(n-1)^2+3(n-1)+3}{n-1}=n-2+\dfrac3{n-1}

The remainder term \dfrac3{n-1} will never vanish, and will always be rational as long as the denominator is not 1, 3, or -3.

n-1=1\implies n=2
n-1=3\implies n=4
n-1=-3\implies n=-2
7 0
3 years ago
Please answer this correctly
Romashka-Z-Leto [24]

Answer:

5/6

Step-by-step explanation:

There are 5 numbers that fit the rule, 2, 4, 5, 6, 7. There are 6 numbers total so there is a 5/6 chance spinning on one of them.

7 0
3 years ago
Read 2 more answers
58 is the difference of Janelle's height and 24.
abruzzese [7]

Answer:

Janelle's height is 82 units.

Step-by-step explanation:

Let j represent Janelle's height.

It is mentioned that, 58 is the difference between Janelle's height and 24.

Mathematically, we can write it as :

j-24 = 58

We can solve it as follows :

Adding 24 both sides,

j-24+24 = 58+24

j = 82

Hence, Janelle's height is 82 units.

3 0
2 years ago
please help i am so confused! need answer fast and thank you soo much! get full points and help your girl out!
Mnenie [13.5K]

Answer:

238 ft³

Step-by-step explanation:

Volume = Length × Width × Height

V = 8.5 × 4 × 7

V = 238 ft³

6 0
3 years ago
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