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saveliy_v [14]
3 years ago
7

Simplify each expression(OOF PLEASE HURRY FGHJHGFGHJ):

Mathematics
1 answer:
Svetach [21]3 years ago
6 0
(1) -(5y - 2)= -5y+2

(2) -5 (3n + 1)= -15n - 5

(3) too long to do
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5. CD has an endpoint at (2, -1) and a midpoint at (8,3). Which measure is closest to the length of CD?
Alexus [3.1K]

Answer: C

Step-by-step explanation:

the equation for X is

\frac{2+x}{2} =\frac{8}{1}  use proportion to solve

2 + x = 16

x = 14

(14,y)

The equation for Y is

\frac{-1+y}{2} =\frac{3}{1} use proportion to solve

-1 + y = 6

y = 7

(14,7)

now use the distance formula

(14,7) (2,-1)

which gets you 14.4 or C

8 0
2 years ago
Help help help help
Alex

Answer:

<h3>b=\frac{t-5}{4}</h3>

Step-by-step explanation:

4b+5=t

First, you must get the variable alone! Substract 5 from both sides!

4b<u>+5=t </u>

    -5  -5

The 5 cancels out because 5-5=0

The new equation is 4b=t-5

You must divide by 4 to get the variable alone since your solving for b!

<u>4b=t-5</u>

4      4

b= \frac{t-5}{4} \\

This is your answer!

5 0
3 years ago
An airplane pilot over the Pacific sights an atoll at an angle of depression of 5. At this time, the horizontal distance from th
kotykmax [81]
B) 405 m
tan(5) = x/4629
4629tan(5) = 404.9
Round up
x=405 m
4 0
3 years ago
Housing costs are what percentage of monthly net income? Use the budget sheet to calculate. Round your answer to the nearest who
schepotkina [342]

Answer:

See below  

Step-by-step explanation:

The formula for calculating percent is

% = (cost of item/total cost) × 100 %

% = (cost of item/1875) × 100 %

% = (cost of item/18.75) %  

You can use the same formula to calculate the percent for each item in the budget. For example,

Housing: % = 420/18.75 = 22 %

You can do this for each budget item and get the table below.

\begin{array}{lrr}\text{Expense} & \text{Cost} & \%\\\text{Housing} & 430 & 22\\\text{Food} & 300 & 16\\\text{Utilities} & 125 & 7\\\text{Transportation} & 320 & 17\\\text{Savings} & 500 & 27\\\text{Other} & 200 & 11\\\text{TOTAL} & 1875 & 100\\\end{array}

4 0
3 years ago
Help help math math ASAP ASAP
Virty [35]

Answer:

\displaystyle y = 4x + 12

Step-by-step explanation:

−4x + y = 12

+ 4x + 4x

_________

\displaystyle \boxed{y = 4x + 12}

I am joyous to assist you at any time.

6 0
2 years ago
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