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xxTIMURxx [149]
3 years ago
10

Simplify the following. (7+5i)^2−(3+2i)=

Mathematics
1 answer:
Ivahew [28]3 years ago
7 0

Answer:

hope that will help you

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Find the volume of a hemisphere with a radius of 8. Round to the nearest tenth.
skad [1K]

Answer:

V(hemisphere) = 1072.3in^3

Step-by-step explanation:

To find the volume of a hemisphere, we will have to take the volume of a sphere as a whole and divide it by 2. This is because a hemisphere is half of a sphere.

The volume of a sphere is:

Let's plug in the radium of 8 into the equation and solve:

Now, divide it by 2

V(sphere) = (2144.660585)/2

V(hemisphere) = 1072.3in^3

I hope this helps!!

6 0
3 years ago
Why is “h” negative in math
tresset_1 [31]

Answer:

Just remember that when it comes to vertex form and parabola transformations a negative h means shift right and positive h left. We anumberd to the number lgraphbitself itself having negative integers on left and positive on right and I can see why this throws people off.

Step-by-step explanation:

can i get brainlist brainly deleted all my answers for no reason

5 0
3 years ago
Read 2 more answers
It costs $8 for each sandwich a family buys, plus $3 for a gallon of milk. How much will the family spend if they buy 4 sandwich
borishaifa [10]

Answer:

$35

Step-by-step explanation:

$8 x 4 = $32 + $3 = $35

7 0
3 years ago
Manuel's dog eats 2/4 bag of dog food in 1 month. His large dog eats 3/4 of dog food in 1 month. How many bags do both dogs eat
Ainat [17]

Answer:

7.5 bags of dog food in 6 months

Step-by-step explanation:

(0.5)(6) = 3 bags for the his smaller dog (0.75)(6) = 4.5 bags for his larger dog... now add 3 + 4.5 and you get 7.5 total bags

8 0
3 years ago
If4 times the reciprocal of a number is 3 more than 5/2 times the reciprocal of that number find the number Show your work
Oliga [24]
x-number\\x\neq 0\\ \\
4 \cdot \frac1x=3+\frac52 \cdot \frac1x\\
\frac4x=3+\frac5{2x}\ / \cdot 2x\\
8=6x+5\\
6x=8-5\\
6x=3\ /:6\\
x=\frac36=\frac12

7 0
3 years ago
Read 2 more answers
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