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Andru [333]
3 years ago
13

Second time...40 pts! Find the surface area of the model below (image included).

Mathematics
1 answer:
charle [14.2K]3 years ago
5 0
5•8=40•2=80+(8•8)=144
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What is the smallest of three consecutive positive integers if the product of the smaller two integers is 10 more than 4 times t
r-ruslan [8.4K]
The smallest is 6
Three consecutive integers
X. Smallest 6
X+1. 7
X+2. Largest 8

X(X+1)= 4(X+2)+10
X^2+X= 4x+8+10
X^2+X-4x-18=0
X^2-3x-18=0

( X+3)(X-6)
X=-3. X=6
Don't use the negative

Check 6(7)= 4(8)+10
42=42
8 0
3 years ago
Hello, I gotta turn it turn in this question today, help!!!!!!
Sladkaya [172]

Answer:

2 or -2

Step-by-step explanation:

If x² - 8x = -12

Step 1

We find x by solving

x² - 8x = -12

We equate to zero

x² - 8x + 12 = 0

We factorise

x² - 6x - 2x + 12 = 0

x(x - 6) -2(x - 6) = 0

(x - 6) (x - 2) = 0

x - 6 = 0, x = 6

x - 2 = 0, x = 2

x = 6 or 2

Step 2

What is x - 4?

When x = 6

= 6 - 4 = 2

When x = 2

= 2 - 4 = -2

Therefore, x - 4 = 2 or -2

3 0
3 years ago
What is (2x-6)(3x-5) equaled to?
Luba_88 [7]

Answer:

6x^2-28x+30

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Which fraction is greatwr than -7/12
True [87]

Answer:

There are infinite fractions greater then -7/12. An example is 7/8.

5 0
3 years ago
The First aircraft has 80 more seats than the second aircraft. The third aircraft has 61 fever seats than the second aircraft. i
kotykmax [81]

Step-by-step explanation:

b=a-80

c=b-61

c=a-141

a+b+c=3a-221=430

3a=651

a=217 & b =137 & c=76

3 0
3 years ago
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