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professor190 [17]
4 years ago
12

Which equation(s) represent joint variations?

Mathematics
2 answers:
Helen [10]4 years ago
8 0

Answer- It's the last two, D & E

Step-by-step explanation:

ale4655 [162]4 years ago
4 0

Answer:

d and e

Step-by-step explanation:

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Which is the correct algebraic expression after combining like terms? 6+8x-7-x
Anarel [89]

Answer:

7x -1 is correct after combining like terms

Step-by-step explanation:

6+8x-7-x

To simplify algebraic expression we combine like terms

In the given expression

-x  or -1x  are same

8x  and -1x  are like terms

6 and -7 are also like terms

8x-1x= 7x

6 - 7 = -1

So 7x -1 is correct after combining like terms

3 0
3 years ago
A French class has a total of 26 students. The number of females is 6 less than the number of males. How many males and how many
kramer

Answer:

Step-by-step explain:

total-females=males

26-6=20

there are 20 males in the class.

I got subtraction because it says less females.

8 0
3 years ago
What is the equation for a circle with a center at (5,-2) and passes through (4,0)?
Kisachek [45]

Step-by-step explanation:

since you said equation I'm assuming it's in terms of x and y Just as a general equation

since the centre of the circle isn't at 0, you have to take that into account using the formula above. solve for the radius of the circle by substituting (4,0) into the formula and get your r value to replace in the original formula

8 0
3 years ago
What are the solution(s) to the quadratic equation 40 - x2 = 0?
Julli [10]

Answer:

x = ±2√10

Step-by-step explanation:

40 - x² = 0

⇌  

(√40 - x)(√40 + x) = 0  

⇌

x = √40  or  x = -√40

we can go further and say that √40 = 2√10

5 0
4 years ago
Please help it’s only one question! For FIVE points!
stepan [7]

Answer: <em>67.8, i think :)</em>

8 0
3 years ago
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