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Mrac [35]
3 years ago
11

PLEASE HELP MEEEEEEEE ILL MARK YOU BRAINLIEST

Mathematics
2 answers:
Rudiy273 years ago
8 0

Answer:

5.60

Step-by-step explanation:

To find what 10 pens cost we have to go down to the cost of 1 pen first.

If 3 pens costs 1.68 then the cost of 1 pen is 1.68 divided by 3.

\frac{1.68}{3} = 0.56  

If one pen costs 0.56 then 10 pens cost 0.56 multiplied by 10.

0.56 × 10 = 5.60

Andre45 [30]3 years ago
5 0

Answer:

16.8

Step-by-step explanation:

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Choose the best graph that represents the following systems of linear inequality.
kondor19780726 [428]

Answer:

C

Step-by-step explanation:

using the power of elemination,looking at the first equation,we singled out the top 2, now looking at the 2nd equation, we see the y intercept is 2 meaning it has to be graph c

7 0
2 years ago
Please give an explanation on how you got this answerI'm not sure if it's too late or what, but I can't get it.
Alona [7]
Step 1: multiple the second equation by 2 so that you get -1/4 for the coefficient of y, the same as in equation 1
equation 2 multiply by 2: 1/4 x - 1/4 y=38  ..........name this equation 3
subtract equation 1 from equation 3: (1/4 x -1/2 x)=38-10
-1/4 x = 28
x=-112
plug in x=-112 in any of the equation, you will get y=-264
so the answer is A
8 0
3 years ago
i need help with this question aka all the little questions in it. Will give brainliest!! Worth 10 pts but EXTRA if needed as pa
polet [3.4K]
A: x= 2.5
b: y= 12.9
c: z= 12
d: w= 2.75
e: t= 4
(Lemme know if it’s wrong)
6 0
2 years ago
Read 2 more answers
Jocelyn and her children went into a bakery and she bought $9 worth of cookies and brownies. Each cookie costs $0.50 and each br
Yuliya22 [10]

Jace bought 4 cookies and 2 brownies from the bakery.

Let x represent the number of cookies and y represent the number of brownies.

Since he bought $9 worth of cookies and brownies. Each cookie costs $0.75 and each brownie costs $3. hence:

0.75x + 3y = 9      (1)

Also, he bought twice as many cookies as brownies, hence:

x = 2y

x - 2y = 0     (2)

Solving equation 1 and 2 simultaneously gives x = 4, y = 2

Hence Jace bought 4 cookies and 2 brownies from the bakery.

6 0
3 years ago
When you subtract one square number from another the answer is 3 what are the two square numbers
dimulka [17.4K]
The numbers are 1 and 2

1 squared = 1 because 1 x 1 = 1
2 squared = 4 because 2 x 2 = 4

4 - 1 = 3
5 0
3 years ago
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