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3 years ago

HELP PLSSS HURRY PLS

Mathematics

1 answer:

nignag [31]3 years ago

6 0

Answer:

Step-by-step explanation:

because it gives us the perimeter, we add all the sides

4z-1+4z-1+5z+3+5z+3=166

8z-2+10z+6=166

18z+4=166

18z=162

z=9

side PS is 5z+3

plug in z to get 45+3=48

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Pls help me with 19,20 pls thx and show me how u did it

Anastasy [175]

For number 19:
"at least 150" means either 150 ≤ ? or ? ≥ 150

plus 3 so +3x

The answer would be 150 ≤ 100 + 3x

Number 20:

A is at -2.5. The inverse is the opposite so 2.5

7 0

3 years ago

PLEASE HELP!!!!!!!!!!!!

mina [271]

There's a theorem for this: the angle made by two intersecting secants of a circle has a measure equal to half the difference of the arcs the secants intercept. In this case,

x = (130° - 30°) / 2 = 50°

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3 years ago

kupik [55]

Answer:

Nadia's total earnings in month is $3196.1

Explanation:

Given salary of Nadia is $3,300 per month including a 3.25% commission

The salary consists of fixed salary and commission

Therefore, Salary = Fixed salary + Commission

Assume the fixed salary to be x

Putting values in equation

3300 = x + 3.25% of x

3300 = x + $\frac{3.25}{100} x$

3300 * 100 = 103.25x

x = $\frac{3300 * 100}{103.25}$

x = $3196.1 per month

Therefore, the fixed salary of Nadia is $3196.1 per month

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3 years ago

3 1 _______ x 1 1 15

DedPeter [7]

Answer:

Step-by-step explanation:

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3 years ago

If 130 calories in 1/3 cup how many in 1/2 cup

Brrunno [24]

Hello.

1/3 cup = 130 cal
1/2 cup = [(1/2) x 130] / (1/3) = 195 cal

Have a great day!

4 0

3 years ago