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2 years ago

13

Darlene had 1.56 pounds of beads to make bracelets. She gave 0.978 pounds to her friends. How many pounds of beads does she have

left?

1 answer:

MArishka [77]2 years ago

7 0

Answer:

0.582 pounds of bread left

Step-by-step explanation:

1.56 - 0.978 = 0.582

(could i have brainliest if right thanks)

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A rectangular solid with a square base has a volume of 4096 cubic inches - determine the dimensions that yield the minimum surfa

Bumek [7]

Answer:

side of base, a = 10.1 inches, height, h = 40.1 inches

Step-by-step explanation:

Volume of rectangular solid, V = 4096 cubic inches

Let the side of base is a and the height is h.

$V = a^2h\\\\4096 = a^2 h ..... (1)$

surface area of the solid

$S = 2a^2 + 4 ah \\\\S = 2a^2 + 4 \times a \times \frac{4096}{a^2} from (1)\\\S = 2a^2 + \frac{4096}{a}\\\\\frac{dS}{da}= 4 a - \frac{4096}{a^2}\\\\4 a - \frac{4096}{a^2} = 0 \\\\a^3 = 1024\\\\a =10.1 inches$

So, h = 40.2 inches

5 0

2 years ago

15s^11-25s^4 factorised <br><br> plz tell me. :)

saveliy_v [14]

For the numeric part, you'll have to find the GCD of 15 and 25, which is 5. So, we can factor a 5 and we have

$5(3s^{11}-5s^4)$

As for the literal part, you can factor $s^4$ because it's the power of s with the smallest denominator. So, we have

$5s^4(3s^7-5)$

8 0

2 years ago

I need help on this.. First person to answer this correctly gets a BRANLIST

arlik [135]

Answer: The relation is a function.

Step-by-step explanation: Since there is one value of y for every value of x in (-2,4), (3,7), (0,8), (5,8), and (1,6), this relation is a function.

I hope this helps you out!

7 0

2 years ago

Three consecutive whole numbers are such that if they be divided by 5,3 and 4 respectively, the sum of the quotient is 40. What

Alja [10]

$\dfrac{x}{5}+\dfrac{x+1}{3}+\dfrac{x+2}{4}=40\\
12x+20(x+1)+15(x+2)=2400\\
12x+20x+20+15x+30=2400\\
47x=2350\\
x=50\\
x+1=51\\
x+2=52$

Then umbers are 50,51,52

4 0

2 years ago

What is 5 minus 7/16

nekit [7.7K]

$Hello.
$
$Convert.$
$5 = 80/16$
$80/16 - 7/16 = 73/16$
$Simplify.$
$73/16 = 4 \frac{9}{16}$
$Thus, 5 - 7/16 = 4 \frac{9}{16}$
You're welcome.

3 0

2 years ago