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Nana76 [90]
2 years ago
7

Factor the expression 4b^2+28b+49

Mathematics
1 answer:
Mkey [24]2 years ago
8 0
(2b + 7(2b + 7) : the factor to this expression
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Pleaseeee helpp❗️❗️❗️❗️
liq [111]
4 is b( do on your calculator)
5 is b(do on your calculator)
6 is a
4 0
3 years ago
What quadratic formula do I need to use to solve 3x(x+6)=-1
timofeeve [1]

Answer:

\Large  \boxed{x_1=\frac{9+\sqrt{51} }{3}  \ \  ;  \ \ x_2=\frac{9-\sqrt{51} }{3} }

Step-by-step explanation:

\displaystyle \Large \boldsymbol{} 3x(x+6)=-10  \\\\3x^2+18x=-10 \\\\3x^2+18x+10=0 \\\\D=324-120=204 \\\\ x_{1;2}=\frac{18\pm2\sqrt{51} }{6} =\frac{9\pm\sqrt{51} }{3}

3 0
2 years ago
Can someone please help
Masteriza [31]
19 hours is your answer
 
8 0
3 years ago
Read 2 more answers
Lorene plans to make several open-topped boxes in which to carry plants. She makes the boxes from rectangular sheets of cardboar
Katen [24]

Answer:

29 feet in length, 5 feet in width and 12 feet in height

Step-by-step explanation:

We have that for the volume of a quadrangular prism is:

V = l * w * h

Ie length times width times height

In this case, the height is determined by the squares that you put in each corner, taking into account that a square has all the same sides, the height is 12 inches. h = 12

they tell us that the length is 24 inches more than the width, that is, l = 24 + w

replacing we have:

1740 = (24 + w) * w * 12

1740 = 12 * w ^ 2 + 288 * w

12 * w ^ 2 + 288 * w - 1740 = 0

if we calculate the root, we have w = 5 or w = -29

only works when w = 5

Thus:

l = 24 + 5

l = 29

which means that the dimensions are:

29 feet in length, 5 feet in width and 12 feet in height

5 0
3 years ago
Find the value of x round to the nearest tenth 11.2 12.6 17.5 35.7
Mashcka [7]

Answer: It’s not 17.5 I can tell you that:(( just got it wrong

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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