3 years ago

Abby read 1/10 of a novel in 1/2 an hour how long will it take her to read one novel

Mathematics

2 answers:

stepan [7]3 years ago

5 0

Answer:

5 hours

Step-by-step explanation:

bearhunter [10]3 years ago

4 0

Answer:

5 hours

Step-by-step explanation:

multiply by 10 on each side

t = 10 x 1/2 =

t = 5

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PLEASE HELP ASAP WILL MARK BRAINLIEST Solve the quadratic equation 18x^2 -153x -172 =0

Vika [28.1K]

Answer:

The answer is : x = 9.505 and x = -1.005

Step-by-step explanation:

To solve the quadratic equation use the formula :

$x=\frac{-b+\sqrt{b^{2}-4ac } }{2a}$

Where a is the coefficient of x² , b is the coefficient of x and c is the numerical term

∵ a = 18 , b = -153 and c = -172

∴ $x=\frac{-(-153)+\sqrt{(-153)^{2}-4(18)(-172) } }{2(18)}$

$x = \frac{18+\sqrt{35793} }{36} &x=\frac{18-\sqrt{35793} }{36}$

∴ x = 9.505 and x = -1.005

8 0

3 years ago

The equation P = 21 + 2w can be used to find the perimeter of a rectangle. A 1 point rectangular shaped playground is enclosed b

nalin [4]

Answer:

130 m

Step-by-step explanation:

Given:

P = 2l + 2w
P = 500 m

Length is:

l = 120 m

Substitute values and solve for w:

500 = 2*120 + 2w
2w = 500 - 240
2w = 260
w = 260/2
w = 130 m

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3 years ago

mrs. diaz has 9 eggs. she cooks 5 eggs for breakfast. how many eggs are left? which model shows the problem?

melomori [17]

Answer:

Step-by-step explanation:

Because 9 = 5 +4

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3 years ago

Find the qoutient 13 divided by 1649 plz for me

kumpel [21]

13/1649= 0.0078835658

7 0

4 years ago

Need help asap!

Alik [6]

Answer:

Step-by-step explanation:

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3 years ago

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