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Oksi-84 [34.3K]
3 years ago
7

Write -15 as a rational number

Mathematics
1 answer:
LiRa [457]3 years ago
7 0
-15 is already rational itself, but it as a fraction:
-15/1
You might be interested in
6 - 2 to the third power + (-9 + 5) · 2.
Alexxx [7]

Answer:

40

Step-by-step explanation:

6- 2 = 4 / 4*4*4 = 32

-9+5=4/4*2=8


32 + 8 = 40

Could really use brainliest if thif helps

5 0
3 years ago
Read 2 more answers
Suppose c was a total membership cost for m the two equations that model c are c=30m+50 an c=20m+100
Maksim231197 [3]

Answer:

5 months

Step-by-step explanation:

Given

c = 30m + 50

c = 20m + 100

Required [Missing from the question]

At what month will the cost be equal

To do this, we equate both expressions

c = c

This gives:

30m + 50 = 20m + 100

Collect like terms

30m - 20m = 100 - 50

10m = 50\\

Solve for m

m = \frac{50}{10}

m = 5

8 0
3 years ago
Solve using substitution.<br> y = -10x-10<br> y = -3x + 4
Nikolay [14]
-10x-10 = -3x+4
+3x +3x
————————
-7x-10 = 4
+10 +10
————————
-7x = 14
then divide -7 on both side of the equal sign
you’ll get x=-2

then plug in -2 as x into one of the equations ( it doesn’t matter which one)

y= -10(-2)-10 = 20-10= 10

so y=10


4 0
3 years ago
A group of friends decided to buy a bulk of chocolate from a candy store if some friends each want 1 half of a kilogram of choco
notsponge [240]
12 People would be able to have 1 half kilogram of chocolate. 
In order to solve this problem you have to multiply 6 by 2. There are two halves in a whole. 6 times 2 is equal to 12. 
7 0
4 years ago
Steve said that [5, 12) is the interval notation that represents the set of all real numbers greater than or equal to 5 and less
RideAnS [48]

Answer:

Steve

Step-by-step explanation:

Because it means greater than or equal to

3 0
3 years ago
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