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oksian1 [2.3K]
3 years ago
5

2x8-3^2+2? I know the answer but I don’t know how I got to it

Mathematics
2 answers:
nordsb [41]3 years ago
6 0

Answer:

9 or 27

Step-by-step explanation:

2x8 -3 ^2 + 2

2x8  -9 + 2

16 - 9 + 2

= 9

or

2 x 8 - 3^2 + 2

2 x 8 + 9  + 2

16 + 9 + 2

= 27

givi [52]3 years ago
6 0

Answer:

9 is the answer of your question

Step-by-step explanation:

  • 2×8 -3²+2
  • 16-9+2
  • 18-9
  • 9

Hope it is helpful to you

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Solve 6/25x = 9/10 <br><br><br> ———
kompoz [17]

Answer:

x = 15/4

Step-by-step explanation:

5 0
3 years ago
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Miss lead says that if y varies directly with x and y=15 when x=-3, then y=-20 when x=4. Is she correct? Answer in complete sent
gizmo_the_mogwai [7]

Answer:

Yes,  she is correct.

Step-by-step explanation:

y = kx   is direct variation

15 = k*-3

k = -5.

So the equation of variation is

y = -5x

When x = -4:

y -5*-4 = 20.

6 0
2 years ago
A construction company wants to build an auditorium on a trapezium shaped plot measuring 410m2. One of the parallel sides of the
Assoli18 [71]

Answer:

other parallel side is 23m

Step-by-step explanation:

Let's assume other parallel sides as 'x'

One of the parallel sides of the trapezium plot measure 18m

so, y=18

distance between the two parallel sides measure 20m

so, h=20

now, we can use area of trapezium formula

A=\frac{1}{2}\times h \times (x+y)

now, we can plug values

A=\frac{1}{2}\times 20 \times (x+18)

we can set A=410

and then we can solve for x

410=\frac{1}{2}\times 20 \times (x+18)

10\left(x+18\right)=410

x+18=41

x=23


6 0
3 years ago
What is the value of the expression (3/7)(-2/5 •9/11)
Alex787 [66]

The answer is 54/385, or 0.14025974025974.

Hope this helps!

7 0
3 years ago
How many inches are in feet
GaryK [48]
Answer: 12 inches

Explanation:

12 inches = 1 feet
3 0
3 years ago
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