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belka [17]
3 years ago
13

FOURTH TIME POSTING! EXTRA POINTS! Complete each function. ( y = -x )

Mathematics
2 answers:
Blizzard [7]3 years ago
4 0
Y = -x means y would be the opposite of x

-2 = 2
-1 = 1
0 = 0
1 = -1
2 = -2
Sergio039 [100]3 years ago
3 0
Y = -x  
so 
 x          y
-2         2
 -1        1
0          0
1          -1
2         -2
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Cameron is older than Hassan. Their ages are consecutive integers. Find Cameron's
Alexxandr [17]

Answer:

25

Step-by-step explanation:

So consecutive integers, just means they're separated by a value of 1. This can be generally expressed as "a, a+1" where these two values would be consecutive integers assuming "a" is an integer.

So let's express Hassan's age as the variable "x", since it's unknown. Since Cameron is older, and by definition of a consecutive integer, Cameron's can be expressed as "x+1"

So the equation we need to set up is Cameron's age + 5(Hassan's age) = 145

So we can substitute the variables we defined to express Cameron and Hassan's age: (x+1) + 5(x) = 145

Distribute the 5: x+1+5x

Add like terms: 6x+1 = 145

Subtract 1 from both sides: 6x=144

Divide both sides by 6: x=24

Since we used "x" to represent Hassan's age, Hassan's age is 24. Since we used "x+1" to represent Cameron's age, Cameron's age is "24+1" which is just 25

6 0
1 year ago
Y = 7/8u + 9, solve for u
vivado [14]

Answer:

u=\frac{8y-72}{7}

Step-by-step explanation:

Flip the equation.

\frac{7}{8}u+9=y

Add -9 to both sides

\frac{7}{8}u+9(-9)=y(-9)

\frac{7}{8}u=y-9

Divide both sides by 7/8

u=\frac{8y-72}{7}

hope this helps

3 0
3 years ago
The temperature at noon on a winter day was 8°C. At midnight, the temperature had dropped 15°C. What was the temperature at midn
klio [65]
All you have to look at is the word "dropped" and you know it's a subtraction problem. In this case, it would be 8 - 15.

8 - 15 = -7

It would be -7<span>°C at midnight. I hoped this helped! :)</span>
6 0
3 years ago
Write each fraction as a decimal use bar note if nessasary
weeeeeb [17]

Answer:

i think its .625

Step-by-step explanation:

all you need to do to make a fraction into a decimal is divide the nominator by the denominator

5 0
3 years ago
Multiply (x-2) (2x+4)
Bas_tet [7]

Answer:

2x {}^{2}  - 8 = 0

Step-by-step explanation:

(x-2) (2x+4)  = 0\\ 2x {}^{2}   +  4x - 4x - 8 = 0 \\ 2x {}^{2}  - 8 = 0

5 0
3 years ago
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