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inysia [295]
3 years ago
15

write an integer expression that equals 10. it must contain at least 2 positive integers and 2 negative integers. it also must c

ontain at least one addition symbol and one subtraction symbol
Mathematics
1 answer:
11111nata11111 [884]3 years ago
3 0
Ok, well. 12 + 2 -3 -1. Id imagine this counts so here you go.
You might be interested in
Question 3
Elan Coil [88]

Answer:

Domain:  -3\leq x\leq 1

Range:  -4\leq y\leq 0

Step-by-step explanation:

If you find the coordinate of the graph you can get the domain and range

(-3,0), (-2,-4), (-1,-2), (0,0), (1, -4)

Now that we have that find the domain and range

Domain -  x coordinate

Range - y coordinate

Domain: (-3, -2, -1, 0, 1)

Range: (-4, -2, 0)

Since the domain ranges from -3 to 1 you can use the inequality -3\leq x\leq 1 to represent the domain and -4\leq y\leq 0 for the range

7 0
3 years ago
(8x - 35) solve for x
skad [1K]
You must begin by isolating the x.
1. add -35 to the other side of the equation

2. divide by 8 to get x by itself

Hope this helps!
3 0
2 years ago
Use the substitution method to solve the system of equations. Choose the
sertanlavr [38]
The answer is C because if you substitute in X-6 for the y in the first equation (since X-6 is also equal to y), you get 2x=16 which means x=8. There is only one option where 8 is equal to X, but just to check you can substitute it back into either of the original equations to make sure that y=2.
4 0
3 years ago
Students are selling pies for a school fundraiser. Customers can buy cherry pies and apple pies. Jennifer sold 12 cherry pies an
Tpy6a [65]

Answer: A cherry pie costs 9 and an apple pie cost 12

Step-by-step explanation:

Let an apple pie be represented by a

Let an cherry pie be represented by c

Jennifer sold 12 cherry pies and 3 apple pies for a total of 144. This can be written as:

12c + 3a= 144

Jacob sold 2 cherry pies and 9 apple pies for a total for 126. This can be written as:

2c + 9a = 126

12c + 3a= 144 ............. i

2c + 9a = 126 ........... ii

Multiply equation i by 2

Multiply equation ii by 12

24c + 6a = 288 ........ iii

24c + 108a = 1512 ...... iv

Subtract iv from iii

-102a = -1224

a = 1224/102

a = 12

An apple pie costs 12

From equation i

12c + 3a= 144

12c + (3×12) = 144

12c + 36 = 144

12c = 144 - 36

12c = 108

c = 108/12

c = 9

A cherry pie costs 9

7 0
3 years ago
Need help finding intervals where the function is decreasing.
umka21 [38]

f(x)=-5x-5\sin x\implies f'(x)=-5-5\cos x

f is decreasing on some interval (a,b) if f'(x) for all x\in(a,b). Similarly, f is increasing on (a,b) if f'(x)>0 for all x\in(a,b).

On the domain 0\le x\le2\pi, we have

-5-5\cos x=0\implies\cos x=-1\implies x=\pi

as the only critical point. So we need to check the sign of f' on two intervals, (0,\pi) and (\pi,2\pi).

On (0,\pi), pick any test value. Suppose we take x=\dfrac\pi2. Then f'\left(\dfrac\pi2\right)=-5, so f is decreasing on this interval.

On (\pi,2\pi), you'd find that f'>0, so f is increasing on this interval.

8 0
3 years ago
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