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galina1969 [7]
3 years ago
5

Most evenings after dinner Duarte spends 30 minutes playing chess with his dad.

Mathematics
1 answer:
olasank [31]3 years ago
7 0
T= total played
e= # evenings played
m= # minutes played

Total equals number of evenings played multiplied by number of minutes plated per evening.

EQUATION:
t=e * m

EQUATION (if 30 minutes per evening):
t=30e

Example:
3 nights, 30 minutes played

t= 3 * 30
t=90 minutes total played

Hope this helps!  :)
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Word problem with multiplication and
natta225 [31]
6x26=156-7= 149

answer: 149
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Which option/bubble is it??
jek_recluse [69]
The option is the 3rd bubble
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3 years ago
In the following exercises, multiply the binomials. Use any method.<br> 255. (a + b)(2a + 3b)
Alex_Xolod [135]

Answer:

Hence the expression $$(a+b)(2a+3b)=2a^2+5ab+3b^2$$

Step-by-step explanation:

Explanation

  • The given expression is (a + b)(2a+3 b).
  • We have to multiply the given expression.
  • Multiply the (a + b) by 3b, multiply the (a + b) by 2a then add like terms.

$$\begin{matrix}{} & {} & {} & {} & a & + & b \\ \times & {} & {} & {} & 2a & + & 3b \\ \end{matrix}$$

___________________

$$\begin{matrix}{} & {} & {} & {} & 3ab & + & 3{{b}^2} \\ {} & {} & 2{{a}^2} & + & 2ab & {} & {} \\ \end{matrix}$$

___________________

$$\begin{matrix}{} & {} & 2{{a}^2} & + & 5ab & + & 3{{b}^2} \\ \end{matrix}$$

7 0
1 year ago
24s2 - 30s + 12 ÷ 6s​
Inessa [10]

Answer:

24x2

with MDAS :

=48/6

=30-7

=23+12

without MDAS:

=48-30

=18+12

=30/6

8 0
3 years ago
Read 2 more answers
PLEASE HELP I WILL GIVE YOU BRAINLIST I NEED HELP PLEASE
bearhunter [10]

Answer:

One Solution

Step-by-step explanation:

Do distributive property

3k+6+3+7k=2k+4+3k

Combine like terms

10k+9=5k+4

Subtract 5k from 10k

5k+9=4

Subtract 9 from 4

5k=-5

Divide

k=-1

Hope this helped, Have a Wonderful Day!!

3 0
3 years ago
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