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MArishka [77]
3 years ago
5

Mr. Petrov was trying to choose between two different plans for dollhouses for his daughter.

Mathematics
2 answers:
marissa [1.9K]3 years ago
8 0
I need help with this too what is the answer

VARVARA [1.3K]3 years ago
3 0

Yeah that guy was right it's the first, the fourth, and the fifth.

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5W + 13 = 34Solve the equation
astra-53 [7]

To answer this question, we have to follow the next steps:

1. Subtract 13 to both sides of the equation:

5W+13=34\Rightarrow5W+13-13=34-13\Rightarrow5W=21

2. Divide the resulting equation by 5 to both sides of the equation:

\frac{5W}{5}=\frac{21}{5}\Rightarrow W=\frac{21}{5}=4.2

Therefore, the value that solves this equation is W = 21/5 or W = 4.2 (using a decimal expression.)

7 0
1 year ago
Find the height of the cone if the volume is 400pi in.^3
muminat
42.44inches if the radius is 3 ( I think it’s 3 as it’s the only other number )
7 0
3 years ago
The brain volumes ​(cm cubedcm3​) of 50 brains vary from a low of 922922 cm cubedcm3 to a high of 14961496 cm cubedcm3. use the
vesna_86 [32]
The range rule of thumb is that the range is four times the standard deviation. The range in this case is 922 cubic cm to 1496 cubic cm, i.e., 574 cubic cm.
Therefore, according to the rule, the standard deviation is 574 cubic cm/4 = 
143.5 cubic cm. The actual standard deviation is 161.7 cubic cm. The difference is 161.7 - 143.5 = 18.2. Since this is greater than 15 cubic cm, the rule in this case is not accurate.
4 0
3 years ago
X2 + 5x - 50 = 0<br><img src="https://tex.z-dn.net/?f=%20%7Bx%7D%5E%7B2%7D%20%20%2B%205x%20-%2050%20%3D%200" id="TexFormula1" ti
love history [14]

Answer:

x = -10

x = 5

Step-by-step explanation:

{x}^{2}  + 5x - 50 = 0 \\ (x + 10)(x - 5) = 0 \\  \\ x =  - 10 \\ x = 5

8 0
3 years ago
For each sequence, find the first four terms and the 10th term.<br> A) 3n+4<br> B) 4n-5
Lelechka [254]
A) 3n+4= 7n
B) 4n-5= -1n
You do a normal equation just add the N
5 0
3 years ago
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