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zysi [14]
2 years ago
15

1. -3+9y = 36

Mathematics
1 answer:
exis [7]2 years ago
3 0

90% of people marry there 7th grade love. since u have read this, u will be told good news tonight. if u don't pass this on nine comments your worst week starts now this isn't fake. apparently if u copy and paste this on ten comments in the next ten minutes you will have the best day of your life tomorrow. you will either get kissed or asked out in the next 53 minutes someone will say i love

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A banner is in the shape of a right triangle. the area is 63 inches. The height of the banner is 4 in less than twice the width
Blizzard [7]
Area=1/2 times base times height
note:bh=base times height

a=1/2bh
b=width

h=-4+2w
h=2w-4
subsitute
a=1/2w(2w-4)
a=1/2(2s^2-4w)
a=w^2-2w
a=63
63=w^2-2w
subtract 63 from both sdies
0=w^2-2w-63
factor
find what 2 numbers multiply to get -63 and add to get -2
the numbers are -9 and 7
so
0=(w-9)(w+7)
if xy=0 then x and/or y=0

so
w-9=0
w+7=0

solve each
w-9=0
add 9 to both sdies
w=9

w+7=0
subtract 7 from both sides
w=-7
width cannot be negative so this can be discarded

width=9

subsitute
l=2w-4
l=2(9)-4
l=18-4
l=14


legnth=14 in
width/base=9 in
5 0
3 years ago
Solve the equation for x.
valentina_108 [34]

Answer:

Solve for  

x

by simplifying both sides of the equation, then isolating the variable.

Exact Form:

x

=

5 /4

Decimal Form:

x

=

1.25

Mixed Number Form:

x

=

1  1/4

Step-by-step explanation:

THE ANSWER IS C

4 0
2 years ago
Which graph represents the solution set of the inequality -14.5
Alex73 [517]

Answer:

c

Step-by-step explanation:

edge 2020-2021 <3

( ilysm and im so proud of everything you've done have an amazing day )

8 0
2 years ago
Last spring, the drama department at Manchester High School had 12 students audition for the musical. This spring, there were 15
tamaranim1 [39]

Answer:

25%

Step-by-step explanation:

The percent of increase can be calculated using following formula:

\text{Percent Increase}=\dfrac{\text{Final Amount-Initial Amount}}{\text{Initial Amount}}\cdot 100\%.

In your case,

  • Initial amount = 12 students;
  • Final amount = 15 students,

then

\text{Percent Increase}=\dfrac{15-12}{12}\cdot 100\%=\dfrac{3}{12}\cdot 100\%=\dfrac{1}{4}\cdot 100\%=25\%.

3 0
3 years ago
22 points )Todd went out for lunch and ordered the taco dinner for $7.95and a soda for $1.50 the total cost included a 6% tax ra
-BARSIC- [3]
You need to first add up the total cost which is 12.45, then find 6% of 12.45 which is .747 or rounded to.75.(tax) then you need to add it to get 13.20. so the tip was 13.20
7 0
3 years ago
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