All categories

3 years ago

How does writing an equation help you solve a problem ?

2 answers:

6 0

When you write an equation, it tells you, that you know what the math problem is and your steps of solving. For example if the math problem was that:

Trina invited 9 girls and 10 boys to her birthday. 2 girls didn't come and 1 boy didn't come. What is the total amount of people that came to Trina's birthday party.

Equation: 9+10-2-1=?

Answer would be: 9+10=19
19-4=15.

So only 15 people came to Trina's birthday party!

:) Hope I helped!

AlekseyPX3 years ago

3 0

It makes everything clear from a mathematical point , much easier to solve the question in equation form than trying to figure it out from a long word problem

You might be interested in

Simplify the expression. HELP PLEASE!!

ddd [48]

$\sqrt[2]{81} + \sqrt[3]{64} = 9 + 4 = 13

Answer : 13$

8 0

3 years ago

Read 2 more answers

The midpoint of segment AB is M(26, -111). The coordinates of one endpoint is

butalik [34]

Did you find the answer yet?

4 0

2 years ago

Read 2 more answers

YO PLS HELP IM STUCK!

lisov135 [29]

Answer:

thats what she said

Step-by-step explanation:

5 0

3 years ago

Decide if the expression is positive or negative. Explain in words how you know, please.

AysviL [449]

Step-by-step explanation:

The first expression is :

$-11\times \dfrac{2}{3}$

Numerator = -11×2 = -22

Denominator = 3

So, answer will be :

$-11\times \dfrac{2}{3}=\dfrac{-22}{3}$ (negative)

The second expression is:

$-11\times \dfrac{-2}{3}$

Numerator = -11×-2 = 22

Denominator = 3

So, the answer will be :

$-11\times \dfrac{-2}{3}=\dfrac{22}{3}$ (positive)

Hence, this is the required solution.

7 0

2 years ago

Slav-nsk [51]

Let k be the scale factor relating two similar prisms $P_{1}$ and $P_{2}$ , such that for corresponding parts of prisms $P_{1}$ and $P_{2}$ (for heights, in particular) we have $k= \frac{height\ of \ P_{1} }{height \ of\ P_{2} }$ . In our case $k= \frac{4}{10} = \frac{2}{5}$ .
For surfaces area we have $\frac{Surface \ area \ of \ P_{1} }{Surface \ area \ of \ P_{2}} = k^{2} =( \frac{2}{5} )^{2}= \frac{4}{25}$ .
So, the right answer is 4:25 (choice B)

4 0

3 years ago