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Svetllana [295]
3 years ago
9

HELP HELP HELP HELP 15 Points

Mathematics
2 answers:
stich3 [128]3 years ago
5 0
W=2j, m=5w, (m+4)=6(j+4)  

using w from first in second you get:

m=5(2j)=10j, m+4=6j+24

m=10j, m=6j+20, since m=m we can say

10j=6j+20

4j=20

j=5, and since m=10j

m=50

So the man is 50 years old
postnew [5]3 years ago
4 0
If you look at the numbers of the age differences you can figure out that the man is 50 years old, wendy is 10, and julia is 5.

pls mark brainliest
 
PLEASE

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Akimi4 [234]

Answer:

\huge\boxed{-8+8i}

Step-by-step explanation:

2(-36-3i)+(5+2i)(12-2i)\\\\\text{use the distributive property and FOIL}\\\\=(2)(-36)+(2)(-3i)+(5)(12)+(5)(-2i)+(2i)(12)+(2i)(-2i)\\\\=-72-6i+60-10i+24i-4i^2\\\\i=\sqrt{-1}\to i^2=-1\\\\=-72-6i+60-10i+24i-4(-1)=-72-6i+60-10i+24i+4\\\\=(-72+60+4)+(-6-10+24)=-8+8i

7 0
3 years ago
The mean of 4 numbers is 19. What would the new mean be if the number 30 is added to the data set?
german

Answer:

B 21.2

Step-by-step explanation:

Im not sure at all tho. But I hope this helps :/

8 0
2 years ago
a weather forecast predicts a 30% chance of rain for each of the next three days. describe a way to simulate the chance that it
topjm [15]

Answer:

Draw a pie chart looking wheel with 30% and 70% and spin the wheel three times and see what it lands on each time

Step-by-step explanation:

5 0
3 years ago
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\frac{1.49+1.64+1.74+1.52+1.66}{5}
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3 0
3 years ago
Pls answer this I will give 10 points and brainlest for 4 to 6 answers
artcher [175]

Answer:

wheres the question

Step-by-step explanation:

4 0
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