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Tanya [424]
3 years ago
12

Can somebody please help me with 11 and 17

Mathematics
1 answer:
Nookie1986 [14]3 years ago
3 0
11.\\2p+5r=q\ \ \ \ |subtract\ 5r\ from\ both\ sides\\\\2p=q-5r\ \ \ \ |divide\ both\ sides\ by\ 2\\\\\boxed{p=\dfrac{q-5r}{2}}


17.\\\dfrac{2}{5}(z+1)=y\ \ \ \ |multiply\ both\ sides\ by\ \dfrac{5}{2}\\\\z+1=\dfrac{5}{2}y\ \ \ \ |subtract\ 1\ from\ both\ sides\\\\\boxed{z=\frac{5}{2}y-1}
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5x – (13 – x) >_9x – 7
ad-work [718]

Answer:

x<_2

Step-by-step explanation:

first off solve this like a regular equation the >_ dosent matter till later

so basically first multiply - by 13 and -x so you get -13 and x (multiplying two negatives = a positive)

so its 5x-13+x>_9x-7

add 5x and x to get 6x-13 on one side

then you get 6x-13>_9x-7 then subtract -9x from both sides

so its now -3x-13>_-7 add 13 so you get -3x>_6

then divide both sides by -3 (when you divide an equation with a >< or <_ >_ by a negative number that sign switches) so it will now be x<_2

that your final answer hope this helps :)

6 0
3 years ago
Write an equation of a line, in slope-intercept form, that is perpendicular to the line y=2x+5 and passes through the point (8,-
Eva8 [605]

Answer:

22

Step-by-step explanation:

7 0
3 years ago
Ok I need help with this. Which of the following are solutions to the inequality below? Select all that apply. q &lt; 5 q = 8. q
Brrunno [24]

Answer:

q=1, q=2

Step-by-step explanation: Both values are less than 5 and the others are either equal or higher, which is not included in the inequality. I hope this helps. :)

8 0
3 years ago
Solve for n.
nika2105 [10]

The answer shall be known as n=11

(☞゚ヮ゚)☞n = 11☜(゚ヮ゚☜)

6 0
3 years ago
Read 2 more answers
If 2000 dollars is invested in a bank account at an interest rate of 6 percent per year, find the amount in the bank after 7 yea
AfilCa [17]

Answer:

$3007.26

Step-by-step explanation:

Step one:

given data

Principal= $2000

rate= 6%= 0.06

time= 7years

Required:

The final amount A

Step two:

the expression for the compound interest is

A= P(1+r)^t

substituting we have

A= 2000(1+0.06)^7\\\\A= 2000(1.06)^7\\\\A=2000*1.50363\\\\A=3007.26

6 0
3 years ago
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