3 years ago

Write Two Different Addition Equations That Have 12 As The Solution.

Mathematics

2 answers:

siniylev [52]3 years ago

7 0

Answer:

8 + 4 = 12

9 + 3 = 12

kow [346]3 years ago

5 0

6+6=12
8+4=12

or if you mean algebraic equation:

6+x=12
x+4=12

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Can you plz help on this

svp [43]

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3 years ago

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Simplify (3x – 5) + (5x + 1)

Archy [21]

Answer:

8x-4

Step-by-step explanation:

(3x-5)+(5x+1)

=3x-5+5x+1

=8x-4

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3 years ago

each pail of plaster covers 90 square feet of ceiling. What is the least number of pails of plaster you would need to buy to cov

Dominik [7]

The area of the ceiling:
A = 14² = 196 ft²
We need plaster to cover 196 ft².
196 : 90 = 2.17778
Answer: We have to buy 3 pails of plaster.

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3 years ago

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I need some help with these two questions please help!

antoniya [11.8K]

Answer:

Step-by-step explanation:

-10.6*0.5=m+11.7

-5.3=m+11.7

-5.3-11.7=m

-17=m

14.2=2(-5.8+t)

14.2=-11.6+2t

14.2+11.6=2t

25.8=2t

25.8/2=t

12.9=t

6 0

2 years ago

Find values of x and y for which ABCD must be a parallelogram. The diagram is not drawn to scale.

Arturiano [62]

ANSWER
$x=4, y=8$

EXPLANATION

If ABCD is a parallelogram, then

line AB is parallel to line DC .

This means that,

$(x + 2) \degree$
and

$(2x - 2) \degree$
are alternating angles.

Alternate angles are congruent.

This implies that,

$2x - 2 = x + 2$

We group like terms to obtain,

$2x - x = 2 + 2$

This simplifies to,

$x = 4$

Also, if ABCD is a parallelogram then,

BC is parallel to AD. This means that,

$5y - 8 = y + 24$

We group like terms to get,

$5y - y = 24 + 8$

This simplifies to,

$4y = 32$

We divide both side by 4 to get,

$y = 8$

6 0

3 years ago

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