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NNADVOKAT [17]
2 years ago
15

Write the number equal to 5 tens and 13 ones.

Mathematics
1 answer:
tekilochka [14]2 years ago
3 0
Hi, Sthefy! This is just a little bit of adding, not too hard! Okay, 5 tens. What is 1 ten equal to? 10!
 
2 tens? 20!

3 tens? 30!
 
You get the idea? Okay, so now we know that 5 tens are 50. Now, ones. All we need to do now is add 13 + 50! Let's break it down, make it easier.

13.. Hm, what can we do to make this easier? 

Ah! Take away the 3 from 13 for now. So just 10 + 50. That's 60. Now, add the 3. 63! That wasn't hard, was it? I hope I helped you!
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Vika [28.1K]

Answer:

a) X=0

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Step-by-step explanation:

7 0
2 years ago
Use the distributive law and then simplify: (3x -2) (x +1)
jenyasd209 [6]
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Crazy boy [7]

Answer:

x < 7

Step-by-step explanation:

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Find two numbers whose sum is 25 and the sum of whose reciprocals is 1/6
Katen [24]

Answer:

10 and 15

Step-by-step explanation:

Let 'x' and 'y' are the numbers we need to find.

x + y = 25 (two numbers whose sum is 25)

(1/x) + (1/y) = 1/6 (the sum of whose reciprocals is 1/6)

The solutions of the this system of equations are the numbers we need to find.

x = 25 - y

1/(25 - y) + 1/y = 1/6 multiply both sides by 6(25-y)y

6y + 6(25-y) = (25-y)y

6y + 150 - 6y = 25y - (y^2)

y^2 - 25y + 150 = 0 quadratic equation has 2 solutions

y1 = 15

y2 = 10

Thus we have :

First solution: for y = 15, x = 25 - 15 = 10

Second solution: for y = 10, x = 25 - 10 = 15

The first and the second solution are in fact the same one solution we are looking for: the two numbers are 10 and 15 (since the combination 10 and 15 is the same as 15 and 10).

5 0
3 years ago
&gt;
olga nikolaevna [1]

Answer:5

Step-by-step explanation:>

Which exponential function is represented by the

graph?

9

8Hold on, our servers are swamped. Wait for your answer to fully load.

7

6

5

5

4

o f(x) = 2( 3 )

O f(x) = {(2Y

o f(x) = {(

4

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2-

(1.1

61,0.25) 17

7605

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-5 4 3 2 1

1 2 3 4

5

6 0
2 years ago
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