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Veronika [31]
4 years ago
7

What is 2/5 of 25?? Need helpppppppp

Mathematics
1 answer:
mrs_skeptik [129]4 years ago
3 0
10
Workings out
(2/5)*25=10
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2m+3+4m+5 advice and correct solution
Hunter-Best [27]
Hey there!

On this problem, we have to combine like terms. A like term in this sense doesn't have to have the same coefficient, but it has to have the same variable.

Our like terms are 2m and 4m, along with 3 and 5.

When we add 2m and 4m we get 6m, and when we add 5 and 3 we get eight.
Notice how 5 and three are like terms because they're both whole numbers and don't have any variables.

Your solution is 6m + 8.

My advice to you is pay attention to your like terms and don't mix them up. A strategy is to underline like terms in the same color.

Hope this helps!
6 0
3 years ago
What value of t makes the equation t + 48 =75 true?
alina1380 [7]

Answer:

27

Step-by-step explanation:

27+48=75

7 0
4 years ago
Read 2 more answers
Which of the binomials below is a factor of this trinomial x^2+14x+40
san4es73 [151]
x^2+14x+40=\\
x^2+4x+10x+40=\\
x(x+4)+10(x+4)=0\\
(x+10)(x+4)

So it's D.
8 0
3 years ago
Read 2 more answers
The length of a rectangle is increasing at a rate of 8cm/s and its width is increasing at a rate of 3 cm/s. When the length is 2
Aloiza [94]

Answer:

Step-by-step explanation:

let length=l

width=w

Area A=lw

\frac{dA}{dt}=l \frac{dw}{dt}+w \frac{di}{dt}\\\frac{dl}{dt}=8 cm/s\\\frac{dw}{dt}= 3 cm/s\\\frac{dA}{dt}=20 \times 3+10 \times 8=60+80=140 cm ^{2} /s

8 0
4 years ago
Write a few sentences about different ways to show subtraction for a problem like 32-15.
Sliva [168]
Well the way to subtract 32 by 15 is simple you have to line them up vertically and subtract. You also have to do some borrowing so basically it will look like this 
                                 32
                                -
                                 15
                              ________
                                  17
5 0
4 years ago
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