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sveta [45]
3 years ago
12

If z=3, what is 30-z ?

Mathematics
2 answers:
Tomtit [17]3 years ago
7 0
The answer is 27! Happy to help :)
love history [14]3 years ago
5 0

Answer:

10 and I dont know if you mean the equal sign in this "30-z"......so i'm not sure

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Triangle BCD is similar to triangle ACE. If the triangles are isosceles, what is the length of AB?
zzz [600]

\frac{2.75}{22}  =  \frac{5}{ac}  \\ ac = 5 \div ( \frac{2.75}{22} )  = 40 \\ ab = 40 - 5 = 35
Correspondind sides, similar triangles
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3 years ago
Write an equation that expresses the following relationship: x varies directly as p and inversely as the difference between y an
dsp73
X = kp/y-c

cross multiply 

xy-xc = kp

factor out the x

x(y-c) = kp

divide entire equation by x

y-c = kp/x

isolate y since we are solving for y
we do this by adding c to both sides which ultimately gives us the answer

y = kp/x + c
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3 years ago
What's the ratio of 75 to 80?
oksano4ka [1.4K]

Answer:

75:80   OR    15:16

Step-by-step explanation:

7 0
3 years ago
Rewrite the following equation in slope-intercept form.
Roman55 [17]

The following equation, y − 8 = 15 (x + 5) is in the slope-intercept form and will be y=15x+83.

<h3>What is a straight line?</h3>

A straight line is a combination of endless points joined on both sides of the point.

The slope 'm' of any straight line is given by:

A linear equation has the form y = mx + b in the slope-intercept format. X and Y are the variables in the equation. The values m and b represent the line's slope (m) and the value of y when x is 0.

\rm m =\dfrac{y_2-y_1}{x_2-x_1}

It is given that the equation is,

y − 8 = 15 (x + 5)

y=15(x+5)+8

y=15x+75+8

y=15x+83

A linear equation has the form y = mx + b in the slope-intercept format.

Thus, the following equation, y − 8 = 15 (x + 5) is in the slope-intercept form and will be y=15x+83.

Learn more about the straight line here:

brainly.com/question/3493733

#SPJ1

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1 year ago
What form is 950,000 written in ?
inna [77]
950000 is written in standard form

5 0
4 years ago
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