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QveST [7]
3 years ago
6

Mary has 55 pens. Frazerhas 12 pens. What is thedifference?*436067​

Mathematics
1 answer:
Helen [10]3 years ago
5 0

It is given that,

→ Mary has 55 pens.

→ Frazer has 12 pens.

We have to,

find what is the difference.

The formula we use,

→ Mary's pens - Frazer's pens

Let's subtract,

→ 55 - 12

→ 43 pens

Hence, difference is 43 pens.

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How to solve this question
Viefleur [7K]

Answer:

7x+21 = 7x + 21

Step-by-step explanation:

7(x+3)=6-(-7x - 15)

L.H.S

=7(x+3)

=7x+21 (multiply 7 by (x+3))

R.H.S:

=6-(-7x - 15)

= 6+7x+15 (multiply the -ive sign in the bracket)

= 7x + 21 ( adding 15 and 6)

now compare the two sides

7x+21 = 7x + 21 hence we prove that L.H.S= R.H.S

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3 years ago
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Answer: y= x-2

Step-by-step explanation:

Perpendicularity entails the slope of line a is -1 divided by the slope of line b

m1= (-1/m2)

From y=Mx +c

We compare with x-4y=7

y=(1/4)x-7/4

Meaning m2= 1/4

m1= -1/(1/4)= -1*4= -4

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x1= 2, y1= -4

((y-(-4))/(x-2))= -4

((y+4)/(x-2))= -4

Cross multiply

y+4= -4(x-2)

y= x-2

3 0
3 years ago
Tom bought 7 new baseball trading cards to add to his collection the next day his dog ate half of his collection. There are now
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Answer: 83 cards

Step-by-step explanation:

38 x 2 + 7 = 83

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I hope this helps

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