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Anestetic [448]
3 years ago
8

Helpppppppppppppp plzzzzzzz helpppppp

Mathematics
1 answer:
borishaifa [10]3 years ago
5 0
180 degrees= a whole line
180-102=78
So m13 should equal 78°
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ABC is isosceles.<br> m X = [?]<br> please help!!
Rashid [163]

Answer:

  x = 4

Step-by-step explanation:

The base angles of an isosceles triangle are congruent, as shown in the figure.

Equating their measures, we have ...

  ∠A = ∠C

  8x -7 = 25 . . . . substitute the given expressions

  8x = 32 . . . . . add 7

  x = 4 . . . . . . divide by 8

6 0
2 years ago
Which equation represents the line that passes through (-8,11) and (4,7/2)
Masja [62]

Answer:

Step-by-step explanation:

7 0
3 years ago
Factorise: 4x squared - 9y squared
kicyunya [14]
Here is your great answer Simplifying
4x2y + 12xy2 + 9y3

Reorder the terms:
12xy2 + 4x2y + 9y3

Factor out the Greatest Common Factor (GCF), 'y'.
y(12xy + 4x2 + 9y2)

Factor a trinomial.
y((2x + 3y)(2x + 3y))

Final result:
y(2x + 3y)(2x + 3y)
4 0
3 years ago
Mae Ling earns a weekly salary of $325 plus a 7.5% commission
max2010maxim [7]

Answer:

$760

Step-by-step explanation:

Given data

weekly = $325

commission= 7.5%

if she sold $5,800 worth of merchandise

Her earnings will be

Week earning= base salary+ 7.5% of sales

Week earning= 325+ 7.5/100*5800

Week earning= 325+ 0.075*5800

Week earning= 325+ 435

Week earning= $760

7 0
2 years ago
Nember 1: 2/7 as decimal
MariettaO [177]

Answer:

Number 1: <em>0.28571428571429</em>

Number 2: <em>2.1666666666667</em>

Number 3: <em>0.1875</em>

Number 4: <em>0.75</em>

Number 5: 0.5

Number 6: <em>13.875</em>

Number 7: <em>8.66666666667</em>

Number 8: <em>0.625</em>

Step-by-step explanation:

To get decimal

You have to divide numarator with denominator

2 : 7

5/10 = 5:10 = 0.5

When you have mixed number you have to multiply number not fraction with denominator and then add numarator

2 1/6 = 12 + 1 / 6 = 13/6 = 13 : 6 = 2.1666667

2x6 + 1

It doesn't matter how many numbers you'll add. At the end of the Number is best to add this

_

6

It means that number is repeating. You can still round it tho :-)

We can also say that

6

-- is same as 6:12

12

Solutions:

2/7 = 2:7 = 0.28571428571429

2 1/6 = 12 + 1 / 6 = 13/6 = 13 : 6 = 2.1666667

2x6 + 1

3/16 = 3 : 16 = 0.1875

3/ 4 = 3 : 4 = 0.75

5/10 = 5 : 10 = 0.5

13 7/8 = 104 + 7/8 = 111/8 = 111 : 8 = 13.875

13 x 8

8 10/15 = 120 + 10/15 = 130/15 = 130 : 15 = 8.66667

5/8 = 5:8 = 0.625

Maybe it can seems hard but it's pretty easy! I hope you will read whole explanation :-)

Have a nice day!

<em>P.S.: If you have any questions write me on Amino Ayleena :-) </em>

8 0
2 years ago
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