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mezya [45]
3 years ago
11

Which expression has a negative value?

Mathematics
1 answer:
7nadin3 [17]3 years ago
4 0

Answer: The answer would be B

Step-by-step explanation:

I had a test like this so I kinda know wut the answer is a few weeks or so ago but u need to multiply -5 • 5 (which would be negative since it has one negative sign) then multiply -5 • -5 (since it has another negative it’s positive) then u just multiply the answers that u got from the times 5 u did -bonus if it’s 1 negatives it’s a negative but if it’s 2 negatives it’s a positive

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a quantity h varies directly with w and inversely with p. if h = 2, w = 4, and p = 6. what is the constant of variation? 1) 1/12
7nadin3 [17]
Hello,

h=k*w/p; if w=4,and p=6 then h=2
2=k*4/6==>k=2*6/4==>k=3

ANswer C
3 0
3 years ago
Read 2 more answers
2x - 3y = 8 // <br><br> Find y
konstantin123 [22]

Answer:

y = -\frac{2}{3} x - \frac{8}{3}

Step-by-step explanation:

2x - 3y = 8\\

Isolate y

-3y = 8-2x\\-3y = -2x+8

Divide both sides of the equation by -3

\frac{-3y}{-3} = \frac{2x}{-3} +\frac{8}{-3} \\\\y = -\frac{2}{3} x - \frac{8}{3}

7 0
3 years ago
Could I also get help on this, I’m giving 15 points, plz by tonight
Alchen [17]
2.) A. 32 cm
3.) D. 6.4
4.) B.) 7
5.) 22.75
6.) 3

I’ll show u a picture of how I solved everything. Ask any questions if needed.

6 0
3 years ago
A French class has a total of 31 students. The number of males is 7 more than the number of females. How many males and how many
Inessa05 [86]

Answer:

12

Step-by-step explanation:

5 0
3 years ago
The Country Buffet restaurant has tables that seat 6 people and booths that can seat 4 people. The restaurant has 38 seating uni
Alina [70]

Answer:

There are 20 booths and (38 - 20), or 18, tables

Step-by-step explanation:

Represent the number of tables with t and the number of booths with b.

We need to find the values of t and b.

(6 people/table)(t) + (4 people/booth)b = 188           (units are "people")

t + b = 38                                                                      (units are "seating units")

Solving the second equation for t, we get 38 - b = t.

Substitute 38 - b for t in the first equation:

(6 people/table)(38 - b) + (4 people/booth)b = 188

Then solve for b:   6(38) - 6b + 4b = 188, or:

228 - 2b = 188, or 2b = 228 - 188, or 2b = 40.  Thus, b = 20   (booths)

There are 20 booths and (38 - 20), or 18, tables.

6 0
4 years ago
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