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Olenka [21]
3 years ago
13

PLEASE ANSWER THIS QUESTION !! 20 POINTS AND BRAINLIEST !!

Mathematics
2 answers:
Anastaziya [24]3 years ago
8 0

Answer:

x^2+7x+12

Step-by-step explanation:

(x+3) (x+4)

FOIL

first: x*x = x^2

outer: 4x

inner: 3x

last: 3*4 =12

Add them together

x^2 +4x+3x+12

x^2+7x+12

NemiM [27]3 years ago
5 0

x^2 + 7x + 12

or A

Hope this helpsss

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See the question attached. Please help
Lelu [443]

Answer:

1) 36

2) 190

3) 72 units

Step-by-step explanation:

1)  2x4 = 8 units area for rectangle

(4-2) x4 /2 = 4 units

6 x 4 = 24 units

8 + 4 + 24 = 36

2) 3 x 10 / 2 = 15 units

   5 x 10 /2 = 25 units

   15 x 10 = 150 units

   150 + 25 + 15 = 190 units

3) 6 x 3 / 2 = 9 units

   6 x 9 = 54 units

   6 x 3 / 2 = 9 units

9 + 9 + 54 = 18 + 54 = 72 units

3 0
2 years ago
Read 2 more answers
Can anyone explain these?
Paul [167]
The perimeter , width and length are all one dimensional so the preimeter of the resulting rectangle  will be 2.5 * 36 = 90.

The area  is 2 dimensional  whereas the vase and height are one dimensional so the area will be increased by a factor of 5^2  ( or 25)
New  rea =  36*25 =  900

solids are 3 dimensional  so the ratio of thereir volumes is  5^3 : 3^3
= 125:27

to answer the last 2 use the formula Volume = pi r^2 h  where r = radius and h = height of a cylinder
5 0
3 years ago
Can you please help me with this problem!!
Black_prince [1.1K]

Answer:

.

Step-by-step explanation:

4 0
3 years ago
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What value of t is a solution to this equation?<br> -t + 2<br> ------- = 1<br> 3
____ [38]

Answer:

-1

Step-by-step explanation:

you mutiply the 3 on both sides and then you subtract the 2 from both sides.

-t=1

then u divide by negative 1 which will make the right side number negative

7 0
3 years ago
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Independent Practice
choli [55]

Answer:

A.

|19 | = |–19|

Step-by-step explanation:

6 0
3 years ago
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