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denpristay [2]
3 years ago
10

4(m + 2) = 40 solve the equation please

Mathematics
2 answers:
MakcuM [25]3 years ago
8 0
4(m+2) = 40
4m + 8 = 40
4m = 40 - 8
4m = 32
m = 8
NARA [144]3 years ago
6 0

Answer:

m = 9.5

Step-by-step explanation:

Use the distributive property, so now the equation should look like:

4m + 2 = 40

      -2      -2

-------------------

4m = 38

÷4       ÷4

-----------------

m = 9.5

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Express number 9 as a unit rate, you can also round
Katena32 [7]
125/200= 0.625 cents

0.625 cents to the nearest cent= 0.63

The unit rate is 0.63 miles.

Hope this helps!







6 0
3 years ago
A shop keeper has offered an item for sale. Its label price is Rs . It is not sold in one-month period and after one month its l
BigorU [14]

Answer:

x = Rs 20,833.33

the value of x is Rs 20,833.33

Step-by-step explanation:

Let x,y and z represent the price of the item initially, after one month and after two months respectively.

Given that;

after one month its label price is reduced by 20%

y = x - 20% of x

y = x - 0.20x

y = 0.80x ........1

after 2 months its reduced price is further reduced by 10% and then sold it for Rs 15000.

z = y - 10% of y

z = y - 0.10y

z = 0.90y ........2

Substituting equation 1 into 2;

z = 0.90(0.80x)

z = 0.72x

Also z = Rs 15000

So,

z = 0.72x = Rs 15000

0.72x = Rs 15000

x = Rs 15000/0.72

x = Rs 20833.33333333

x = Rs 20,833.33

the value of x is Rs 20,833.33

5 0
3 years ago
Why would "-7" in the expression (x^2+3)-(x-7) become positive?
ryzh [129]
You would use the distributive property with the negative. So the second x becomes negative, but since the 7 is already negative it becomes positive. Think of it as if you put the two dashes together you can make a plus sign.
5 0
3 years ago
Read 2 more answers
1.In triangle TRS, VZ = 6 inches. What is RZ?
Hunter-Best [27]
1. C
2. B,C,E

Hope that helps.
4 0
3 years ago
Read 2 more answers
Hello I would like help on my math homework, thanks!
Greeley [361]
Since angle QST is 45°, RQST is a square.

Therefore, QR = QT = 6.2

P.S. Good job trying to do Trigonometry tho :D
3 0
3 years ago
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