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aalyn [17]
3 years ago
5

The express the area of the entire rectangle

Mathematics
1 answer:
Sonja [21]3 years ago
5 0

Answer:

area= x^2+8x+7

Step-by-step explanation:

a=l*w

l=x+7

w=x+1

a=(x+7)(x+1)

a= x^2+8x+7

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When two fair dice are rolled, what is the probability that at least one of the numbers will be even??
netineya [11]
The probability would be 1/4. The probability of rolling an even number on each die is 1/2. Since there are two dice you would multiply the probability of each die together. 1/2*1/2=1/4. The reason you would this is because you could roll two odd numbers that equal an even number such as 3 and 5.
4 0
3 years ago
Is (x+1) a factor off (x)=x3+x2−4x−4? <br><br> A) Yes<br> B) No
satela [25.4K]

Remainder theorem again...

p(x)=x^3+x^2-4x-4

p(-1)=(-1)^3+(-1)^2-4(-1)-4=0

So Yes, x+1 is a factor.

4 0
3 years ago
Read 2 more answers
Explain why 173 degrees cannot be an interior angle from any regular polygon.
Rus_ich [418]

Answer:

A regular polygon with each interior angle of 170 deg will have each exterior angle as 180–170 = 10 deg. Hence the number of sides in the regular polygon = 360/10 = 36 sides.

Hope this helps

Step-by-step explanation:

8 0
2 years ago
A ball bounces three-fourths the height of its fall. the ball bounces 12ft.,how high does it bounce on the first bounce?
Fynjy0 [20]
16 feet is the answer to your question
8 0
3 years ago
which ordered pair is a solution to the system?. {x+4y=19. {y=-2x-4. . a) (-5, 6). b) (-2, 0). c) (3, 4). d) (7,3)
jarptica [38.1K]

Apply substitution

x+4(-2x-4)=19

x – 8x – 16 = 19

-7x = 19 + 16

-7x = 35

x = -5

Then substitute this value to the other equation

y=-2x-4

y = -2(-5) – 4

y = 10 – 4

y = 6

the answer is then letter A. (-5,6)

3 0
3 years ago
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