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guapka [62]
2 years ago
15

-7z - 59 = -10 what does z =?

Mathematics
2 answers:
Shtirlitz [24]2 years ago
8 0

Answer:

-7

Step-by-step explanation:

liberstina [14]2 years ago
5 0

Answer:

z = - 7

Step-by-step explanation:

-7z = 49 (you add up -59 and -10, 2 - signs = +)

-z = 7 (you do 49 divided by 7)

z = - 7

I think this is right

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at a country concert,the ratio of number of the Boys to the number of girls is 2:7 if there are 250 more girls than boys how man
sergey [27]

Answer:

100

Step-by-step explanation:

Ratio is a fraction, so ratio of boys to girls would be written as [let boys be "b" and girls be "g"]:

\frac{b}{g}=\frac{2}{7}

Also, there are 250 more girls than boys, so we can write:

g = 250 + b

Lets substitute this into "g" of the ratio we wrote and cross mulitply and solve for b:

\frac{b}{g}=\frac{2}{7}\\\frac{b}{250+b}=\frac{2}{7}\\7b=2(250+b)\\7b=500+2b\\5b=500\\b=\frac{500}{5}=100

The number of boys = 100

3 0
3 years ago
Which are are solutions for x^2 + 5x – 1 > 6
Eddi Din [679]

Answer:

it might be b and d

Step-by-step explanation:

6 0
2 years ago
How can you make 2 cups of chocolate milk a gallon?<br> I know that 32 = a gallon
const2013 [10]
Well you could use the equation 32=2x or 32=(2*x) but if you're looking for an answer that is other than turning this into an equation, then it would be impossible to find an answer. I hope this helped ^^
5 0
2 years ago
How many 2/3 are in 3 1/3
NeTakaya

Answer: 5

Step-by-step explanation: baddabing baddaboom

8 0
3 years ago
wendy is logging the number of video game levels she wins per hour. she has determined the function to be f(x) = 6x + 9, where x
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