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NemiM [27]
2 years ago
10

A man is now twice as old as his son. Fifteen years ago he was three times as old as his son was then. How old is the son now?​

Mathematics
1 answer:
marysya [2.9K]2 years ago
7 0

Answer:

20 is the answer to that question

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The sum of five times a number and 6 more than the number is the same as the difference between -18 and twice the number. What i
goblinko [34]
N = -3
5n + n + 6 = -18 - 2n
6n + 6 = -18 - 2n
-6 to both sides
6n = -24 - 2n
+2n to both sides
8n = -24
divide 8 to both sides
n = -3

4 0
3 years ago
Read 2 more answers
Which point is NOT part of the solution of the inequality y>= -|x-4|-3
Ksivusya [100]
Hello,

0>=-|0-4|-3==>0>=-4-3==>0>=-7 True
1>=-|-1-4|-3==>1>=-5-3==>1>=-8 True
-4>=-|4-4|-3==>-4>=0-3==>-4>=-3 FALSE
2>=-|-3-4|-3==>2>=-7-3==>2>=-10 True

Answer C

6 0
3 years ago
Read 2 more answers
Evaluate.<br> 6[5(3-9)-1]+2 the answer of this divided by the answer of this one 7(8-2)+4
Snowcat [4.5K]


According to PEMDAS, these are the steps for evaluating this equation -

3-9=-6

-6 x 5 = -30 - 1 = -31

-31 x 6 = -186, + 2 = -184

Now our first answer is -184 (I think this is correct)

Next thing we'll do is the second equation

8-2 = 6

6 x 7 = 42

42 + 4 = 46

Now, we can divide :)           -184 / 46 equals -4

Hope this helps :D!

6 0
3 years ago
<img src="https://tex.z-dn.net/?f=%20%5Csqrt%5B3%5D%7B%28%20%5Cfrac%7B1%7D%7B8%7D%20%20-%20x%29%7D%20%20%3D%20%20-%20%20%5Cfrac%
Rashid [163]

∛(1/8 - <em>x</em>) = -1/2

Take the 3rd power of both sides and solve:

(∛(1/8 - <em>x</em>))³ = (-1/2)³

1/8 - <em>x</em> = -1/8

2/8 = <em>x</em>

<em>x</em> = 1/4

7 0
3 years ago
I need help with geometry
Ede4ka [16]

Answer:

corresponding angles

the angles are equal

equation: 9x+8 = 4x+18

x=2

angle measurements: 26⁰

Step-by-step explanation:

solve your equation

9x+8 = 4x+18

subtract 4x from each side

5x + 8 = 18

subtract 8 from each side

5x = 10

divide by 5

x = 2

insert x=2 into original equations to make sure you get the same answer.

9(2) + 8 = 26

4(2) + 18 = 26

8 0
3 years ago
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