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coldgirl [10]
3 years ago
11

Is -7.8an irrational number

Mathematics
2 answers:
zhenek [66]3 years ago
7 0

Answer:

yes it is

Step-by-step explanation:

Brums [2.3K]3 years ago
6 0

Answer:

I think so

Step-by-step explanation:

if wrong correct me plsssssss

Mark me brainliest plsss

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Which series of transformations shows that triangle A is congruent to triangle B?
Vilka [71]
I would say A
hope that helps!!!
5 0
3 years ago
Read 2 more answers
How many 100 dollar bills make 2324 dollars
Nikolay [14]

Answer: 24 $100 bills, even though this will add up to more than 2324 dollars, it is the amount needed to cover the price

Step-by-step explanation: divide 2324 dollars by 100

4 0
3 years ago
What system shows the correct numbers to multiply by the coefficients in order to eliminate y from the first two
Ann [662]

Answer:

3 (5x+2y = 0)

2 (2x – 3y = -19)

Step-by-step explanation:

5x+2y=0 (1)

2x-3y=-19 (2)

To eliminate y from the first two equation when applying the linear combination method

We will multiply y Equation (1) and (2) with 3 and 2 respectively so that the coefficients of y in the two equations +6 and -6 respectively

3(5x+2y=0)

2(2x-3y=-19)

We have,

15x+6y=0 (3)

4x-6y= -38 (4)

Add Equation (3) and (4)

19x=-38

x= -2

Substitute x= -2 into (1)

5x+2y=0

5(-2)+2y=0

-10+2y=0

-10= -2y

y=-10/-2

=5

y=5, x=-2

3 0
3 years ago
Work out the value of: 3x + 2y when x equals -3 and y equals -4
Mazyrski [523]

replace the numbers given for x & y so

the equation becomes 3*(-3) + 2*(-4) =

3*-3 = -9

2*-4 = -8

-9 + -8 = -17

6 0
3 years ago
Through [0, -7/5] and perpendicular to 3x-2y=6
Taya2010 [7]
Find a line going through the point
(0, -7/5) and perpendicular to the equation 3x - 2y = 6.

3x - 2y = 6

-2y = -3x + 6

y = (3/2)x - 3

The slope of the equation we seek must be the negative reciprocal of (3/2), which is -2/3.

So, m = -2/3

Use the point-slope formula. See the picture.

8 0
3 years ago
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