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faust18 [17]
3 years ago
8

Help me, I will give the brainlyest to the smartest and the fastest!

Mathematics
1 answer:
lora16 [44]3 years ago
4 0

Answer:

{(1,4) (2,8) (3,12) (4,16)}

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Which is an example of an expression?<br> O 3,2 – 4.<br> O a = 144<br> 0 10 = 2.5<br> O 2 &lt; 52
cluponka [151]

Answer:

2 - 4

Step-by-step explanation:

no equal sign

4 0
2 years ago
The radius of a cone is 5cm the heigth of the cone is 18 cm what is the volume of the cone
nikitadnepr [17]
6-8 cm is the answer!! Hope this helps!
3 0
3 years ago
I dont understand how to do this inequality 4x +6 &lt;-6
Mama L [17]
4x + 6 < -6

First, subtract 6 from both sides. / Your problem should look like: 3x < -6 - 6
Second, simplify -6 - 6 to -12. / Your problem should look like: 3x < -12
Third, divide both sides by 4. / Your problem should look like: x < -\frac{12}{4}
Fourth, simplify \frac{12}{4} to 3. / Your problem should look like: x < -3

Answer: x < -3
<span />
5 0
4 years ago
20 years ago, father's age was 5 times his son's age. Now his age is 10 years more than twice his son's present age. Find their
Montano1993 [528]

Step-by-step explanation:

x = father's age now

y = son's age now

x = 2y + 10

x - 20 = 5(y - 20) = 5y - 100

using the first in the second equation :

2y + 10 - 20 = 5y - 100

-10 = 3y - 100

90 = 3y

y = 30

x = 2y + 10 = 2×30 + 10 = 60 + 10 = 70

the father is now 70 years old, the son now 30 years old.

6 0
2 years ago
What is the product of (3x + 1)(3x – 4)?<br> Step by step.
kvasek [131]

Answer:

9x^2-9x-3

Step-by-step explanation:

3x*3x=9x^2

3x*-4=-12x

1*3x=3x

1*-4=-3

9x^2-12x+3x-3

9x^2-9x-3

7 0
3 years ago
Read 2 more answers
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