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alekssr [168]
2 years ago
8

NEED HELP PLZZZZxxxx

Mathematics
1 answer:
nexus9112 [7]2 years ago
8 0
If you use rise/run, the answer is 3/4. Up 3, over 4
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PLEASE HELP ASAP
Naya [18.7K]

The equivalent expression of 25 - 64 are "a), b) and c)"

The given expression is:

25 - 64

To find, the equivalent expressions are:

a) 25 + 40x - 40x - 64

=  25 - 64, is the equivalent expression.

b) 25 + 13x - 13x - 64

=  25 - 64, is the equivalent expression.

c) (5 + 8)(5 - 8)

Using the algebraic identity,

(a + b)(a - b) =

=

=  25 - 64, is the equivalent expression.

d) ( + 13)( - 13)

Using the algebraic identity,

(a + b)(a - b) =

=

=   - 169, is not a equivalent expression.

e)

Using the algebraic identity,

,  is not a equivalent expression.

∴ The equivalent expression of 25 - 64 are "a), b) and c)".

4 0
2 years ago
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Debora plans to sew 3 blankets for each of her nieces.
Sauron [17]

Answer:15

Step-by-step explanation: Debora has to take the numbers 3 and 5 and multiply. 3x5= 15

8 0
2 years ago
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You buy 2,000 shares of stock for $25.43 and sell them for $44.10 per share. What
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I hope this picture helps you!

5 0
2 years ago
GEOMETRY HELP PLS! 50 POINTS!!
icang [17]

Answer:

the answer is c

Step-by-step explanation:

6 0
2 years ago
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PLEASE HELP!! Dee bought 6 dolls and 2 toy trains for $55. At the same prices, Joy bought 4 dolls and 7 toy trains for $65. What
GuDViN [60]

Answer:

The cost of 1 doll   =  $ 7.5

and The  Cost of 1 toy train =   $ 5

Step-by-step explanation:

Let the price of 1 doll  = $ x

The price of  1 toy train  = $ y

Now, according to the question:

6 x + 2 y  = $ 55

and  4 x   + 7 y = $ 65

Solving the given system of equation,

From (1), we get

x= \frac{55 - 2y}{6}

4 ({\frac{55 - 2y}{6}} )  + 7y = 65

or, solving for y , we get

110y - 4y + 21 y = 195

or, 17 y = 85

⇒ y= 85/17 = 5

This implies :  6 x + 2 (5)   =55

or, 6x = 55 - 10 = 45

or, x =  45/ 6 = 15/2

Hence, the cost of 1 doll  = x = $ 7.5

and the Cost of 1 toy train =  y = $ 5

5 0
3 years ago
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