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BARSIC [14]
2 years ago
5

Please help it a quiz ASAP

Mathematics
2 answers:
ss7ja [257]2 years ago
7 0
Answer:
True
False
False
True
Merry Christmas
sattari [20]2 years ago
5 0

Answer:

True

False

False

True

Step-by-step explanation:

9/16 / 27/4

9/16*4/27

36/432

1/12

True

7/9 / 2/3

7/9*3/2

21/18

7/6

False

Clearly false

True

Have a nice day!

:)

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Solve 7r+ 2 = 5(r – 4) ​
AveGali [126]

Multiply the bracket by 5

I used PEMDAS

P= parenthesis

E= exponents

M=multiplication

D= division

A= addition

S= subtraction

7r+2= 5(r-4)

7r+2= 5r-20

Move 5r to the left hand side . Positive 5r changes to negative 5r

7r-5r+2= 5r-5r-20

2r+2=- 20

2r+2-2= -20-2

Move positive 2 to the right hand side. Changes to negative -2

2r+2-2= -20-2

2r= -22

Divide by 2 for 2r and -22

2r/2= -22/2

r= -11

Answer is r= -11

6 0
3 years ago
Read 2 more answers
Let U={q, r, s, t, u, V, W, X, Y, Z},
trapecia [35]

Answer:

Ooh is theis unions I did it but

3 0
2 years ago
Lee is thinking of two Numbers,the product is 18. the quotient is 2
defon
X, y - the numbers

The product is 18.
xy=18

The quotient is 2.
\frac{x}{y}=2 \ \ \ |\times y \\
x=2y

Substitute 2y for x in the 1st equation:
2y \times y=18 \\
2y^2=18 \ \ \ |\div 2 \\
y^2=9 \\
y=\pm \sqrt{9} \\
y=3 \ \lor \ y=-3 \\ \\
x=2y \\
x=2 \times 3 \ \lor \ x=2 \times (-3) \\
x=6 \ \lor \ x=-6 \\ \\
(x,y)=(6,3) \hbox{ or } (x,y)=(-6,-3)

The numbers are 6 and 3 or -6 and -3.
6 0
3 years ago
Read 2 more answers
Combine the like terms to create an equivalent expression<br> -k - ( - 8k)
Svetllana [295]

____________________________________________________

Answer:

7k

____________________________________________________

Step-by-step explanation:

We are trying to combine like terms with the expression: -k - ( - 8k)

We are pretty much solving it.

Solve:

-k - ( - 8k)

The "- ( -" turns into a plus sign.

So it would look like:

-k - -8k or -k + 8k

Now, you would finish solving

-k + 8k = 7k

____________________________________________________

3 0
3 years ago
Read 2 more answers
10times10times10times10times10times10
BARSIC [14]

Answer:

1000000

Step-by-step explanation:

10x10x10x10x10x10=1000000

7 0
3 years ago
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