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Zigmanuir [339]
2 years ago
7

The product of 7,x, and y is represented by the expression 7xy. If the value of x is negative, what

Mathematics
2 answers:
Sergio [31]2 years ago
8 0

Answer:

it must be negative

Step-by-step explanation:

7xy = a positive number

7 is positive.

x is a negative number.

y must be negative for 7xy to be positive.

(+) * (-) * (-) = +

The product of two negative numbers is positive.

Sphinxa [80]2 years ago
5 0

Answer:

In the expression of 7xy, if x is negative, then y must also be negative for the product to be positive.

Let me know if this helps!

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The point (2,–5), when reflected across the origin, maps onto the point _______. answers : (–5,2) (5,–2) (–2,5) (2,5)
Inessa [10]

Answer:

(-2, 5)

Step-by-step explanation:

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6 0
3 years ago
How many matches are needed to form figure number 9 and 17? explain​
saveliy_v [14]

Answer:

Please find the complete question in the attached file.

Step-by-step explanation:

For point 1:

At this point we make up triangles for the first one makes up by 3 matches figure 2 make up by 5 matches figure 3 makes up by 7 matches.

For point 2:

 4 \ \ 5\ \   6\ \   7\ \   8  you can try to  

9 \ \  11\ \ 13 \ \ 15 \ \ 17 draw to find  values  

For point 3:

number of matches= 1+2 \times \ figure\  number\\\\

For point 4:

1+2 \times 9=19 \ \ (use \ law \ of\  (iii)) \\\\1+2 \times 17=35

3 0
3 years ago
8s in 5,188 what is the answer
Karo-lina-s [1.5K]

Answer:

648.5

Step-by-step explanation:

5188/8

648.5

Good luck!

5 0
3 years ago
PLEASE HELP NEED ANSWER SUPER QUICK<br> solve for y<br> -140=18+4(5y-2)<br><br> y=?
Virty [35]
Y= -7.5 that is the answer youre welcome
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3 years ago
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