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poizon [28]
3 years ago
11

Seven increased by the product of two numbers

Mathematics
1 answer:
Kobotan [32]3 years ago
8 0

Answer: x ≥ 5

Step-by-step explanation:

7 is increased by the product of a number and 3:  7 + 3x

Is at least 22:  ≥ 22

 

Your equation is: 7 + 3x ≥ 22

subtract 7 from both sides

3x ≥ 15

divide both sides by 3

x ≥ 5

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(4)
Jet001 [13]

Answer:

Step-by-step explanation:

Let the number of cockles be c and that of winkles be w.

From the first relation,

w = 2c ..........(I)

From the second relation, 6 winkles are accidentally split.

This in equation form means the following:

c/w- 6 = 3/5

By cross multiplication,

5c = 3(w - 6)...........(ii)

We know w = 2c , let’s substitute this into the second equation.

5c = 3(2c - 6)

5c = 6c - 18

Collecting like times, c = 18

And w = 2c = 2(18) = 36

Hence, there were initially 18 cockles and 36 winkles

7 0
3 years ago
What is (6^3)^4 simplified
Sophie [7]

Step-by-step explanation:

( {6}^{3})^{4}   =  {6}^{3 \times 4}  =  {6}^{12} \\

7 0
3 years ago
How do I solve (2x^3)^4?
larisa86 [58]
Hello There!

You would have to do work out 2 to the fourth power.
Also, 3 x 4.
The rules of powers are:
If you have to multiply, you add them
If you have to divide, you subtract them
If they are in brackets like this ^^, you multiply them.

Therefore, your answer is 16^{12}

Hope This Helps You!
Good Luck :) 

- Hannah ❤
8 0
3 years ago
Read 2 more answers
21 students in a dass wear spectacles. This is 60% of the total number of
wlad13 [49]

Answer:

There are 35 students in the class

Step-by-step explanation:

We would divide 21 by 60%

21/0.6 = 35 students.

7 0
3 years ago
Read 2 more answers
Can you please help me
trapecia [35]
X = 70 and y = 35, I hope this helps
5 0
3 years ago
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