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Maksim231197 [3]
3 years ago
11

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Mathematics
1 answer:
DiKsa [7]3 years ago
7 0

a. 7j + 14

b. -8x + 24

c. -4 + c

d. -11 - 2b

You might be interested in
15y+5y-19y+2=4 what is y
Mumz [18]

Answer:

y=2

Step-by-step explanation:

15y+5y-19y+2=4

y+2=4       Add similar elements

y+2-2=4-2 Subtract 2 from both sides

y=2   Simplify

7 0
3 years ago
Read 2 more answers
Find the volume of each composite solid figure.
Mama L [17]
Break up the shape into two so you have:

A rectangular prism dimensions 4x2x5
A rectangular prism dimensions 5x3x14

Now you can find the volume of each:

4·3·5 = 60
5·3·14 = 210

Add the two volumes up to get the volume of the composite figure:

210 + 60 = 270
5 0
4 years ago
Read 2 more answers
And put her dog Simon on a diet for three weeks. Simon lost 3 pounds the first week, gained 1.75 pounds the second week, and los
Romashka-Z-Leto [24]
This is easy enough for you to do on your own. 
6 0
3 years ago
Read 2 more answers
Un comerciante de algodón de azúcar gana 40 cm por cada algodón vendido pero si no lo logra venderlo pierde 50 céntimos. un día
gayaneshka [121]

Answer:

He fails to sell that day 10 cottons.

Step-by-step explanation:

We are given that a cotton candy merchant earns 40 cents for each cotton sold, but if he cannot sell it he loses 50 cents.

One day when he made 120 cottons, he made a profit of 39 soles.

Let the number of cottons merchant is able to sold be 'x' and the number of cottons merchant is not able to sold be 'y'.

So, according to the question;

  • The first condition states that he made 120 cottons on one day, that is;

                                   x + y = 120

                                   x = 120 - y    ---------------------- [Equation 1]

  • The second condition states that merchant earns 40 cents for each cotton sold, but if he cannot sell it he loses 50 cents and due to which he made a profit of 30 soles, that is;

                               0.40x - 0.50y=39

                               40x - 50y=3900

                               40(120-y) - 50y=3900  

                               4800-40y - 50y=3900

                               90y=4800-3900

                                90 y = 900

                                  y=\frac{900}{90}=10

This means that the merchant is not able to sell 10 cottons.

4 0
3 years ago
Need help with math's home work
Aleonysh [2.5K]
1. The best thing to do is to find out what 1% is. 235/100= 2.35
As you're looking for 27%, you then multiply 2.35*27= 63.45
As you're increasing it, you've then got to add this to the original amount.
235+63.45= 298.45

2. Again, find 1%. 24/100= 0.24
0.24*9= 2.16
24+2.16= 26.16

3. Find 1%. 1120/100= 11.2
As you're looking for 13.5%, you then multiply this by 13.5
11.2*13.5= 151.20
As you're subtracting, you then take this away from the original number.
1120-151.20= 968.80

4. This time, you can find 10%.
0.057/10= 0.0057
0.0057*5.5= 0.03135.
You've then got to subtract this as you're decreasing the number.
0.057-0.03135= 0.02565.

Sally's investment is now worth £585. (Find the 30% and add it on) and Susie's investment is now worth £585 (Find the 10% and subtract). They both have the same amount of money.

Hope this helps :) 
8 0
4 years ago
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