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kap26 [50]
3 years ago
13

Find 30% of 70 please help

Mathematics
2 answers:
Anna [14]3 years ago
8 0

Answer:

21

Step-by-step explanation:

HA GODE

tekilochka [14]3 years ago
3 0

Answer:

21

Step-by-step explanation:

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If x,y and z are the first three terms of an geometric sequence, show that x^2,y^2 and z^2 form another geometric sequence
olganol [36]
<span>x y z are in geometric 
x/y = y/z 
OR y^2=xz 

x^2, y^2, z^2 

x^2, xz, z^2 
If they are in geometric sequence then 
xz/x^2 = z^2/xz 
z/x = z/x 
The ratios are common 
so x^2,y^2 & z^2 is a GP.</span>
8 0
3 years ago
Find the coordinates of the midpoint of TU for T(3,1) and U(5,3)
bixtya [17]
<h3>Answer:  (4,2)</h3>

==========================================================

The given points are T(3,1) and U(5,3)

The x coordinates of these given points are 3 and 5. Add them up to get 3+5 = 8. Then cut this in half getting 8/2 = 4. This is the x coordinate of the midpoint.

The y coordinates are 1 and 3. They add to 1+3 = 4. Then that cuts in half to get 4/2 = 2. This is the y coordinate of the midpoint.

The midpoint is (4,2)

Effectively, we just used the midpoint formula

(x_m, y_m) = \left( \frac{x_1+x_2}{2}, \frac{y_1+y_2}{2} \right)

In short: add the corresponding coordinates, then divide by 2.

3 0
3 years ago
Lin and Noah are solving the equation 7(x + 2) = 91
lidiya [134]
Lin: 7x+14=91, 91-14=7x, 77=7x, divide each side by 7, x=11
noah: x+2=91/7, x+2=13, subtract 2 from both sides, x=11
4 0
3 years ago
What is the answer of <br> 2+4<br> 5+1<br> 1+1<br> 0+0
Dahasolnce [82]

Answer:

14

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Will mark brainliest please help
Sergeeva-Olga [200]

Answer:

445

Step-by-step explanation:

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3 years ago
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