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Andru [333]
2 years ago
5

Simplify 5 – 2y + (-8y) + 5.5.

Mathematics
2 answers:
AveGali [126]2 years ago
7 0

Answer: 10.5 -10y

Step-by-step explanation: You have to add similar numbers and variables. 5+5.5 is 10.5. -2y +-8y is -10y.

zavuch27 [327]2 years ago
3 0

Answer:

-10y + 10.5

Step-by-step explanation:

5 - 2y + (-8y) + 5.5

5 - 2y - 8y +5.5

-10y + 10.5

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The measure of one of the small angles of a right triangle is 14 more than 3 times the measure of the other small angle. Find th
anzhelika [568]

Step-by-step explanation:

Lets assume that angle of right angle trangles are <a,<b and <c

here one of the angle is 90°

so, <a=90°

now,

By the question

<c=3×<b+14

again,

<a+<b+<c=180° (being sum of interior angles of trangles)

90°+<b+(3×<b+14)=180° ( including the value of <a and <c)

90°+<b+3<b+14=180°

4<b=180-90-14

<b=86/4

<b=19°

<c=3×<b+14

=3×19+14

<c=71

smallest angle is 19°

and another small angle is 71°

3 0
3 years ago
there are 3 slices of pie left, and the angle measurement is 72 degrees, how many slices was the pie cut in to
Daniel [21]
15; this is because 3 pies make up 72
with this you can make it so that 3x=72 
After this you need to find x which is a single pie
so; (3x/3)=(72/3)
      x= 24
Since you know a circle is 360 degrees all around the center
You can do 360/24 making it 15 pies. 
7 0
3 years ago
Can -5 be the base of an exponential function?
sleet_krkn [62]
No, because negative base sometimes results in non-real or imaginary value.

5 0
3 years ago
The area of a rectangle is 3,878 square centimeters. If the rectangle has a width of 14 centimeters, what is its length?
astra-53 [7]

Answer:

277 cm

Step-by-step explanation:

A=l*w\\3,878=l*14\\l=\frac{3,878}{14} \\l=277

7 0
3 years ago
Find the value of x.
erastovalidia [21]

Answer:

60 = x

Step-by-step explanation:

180-144 = 36

36+84 = 120

180-120 = 60

7 0
2 years ago
Read 2 more answers
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