2 years ago

Can someone please help me

Mathematics

2 answers:

Ludmilka [50]2 years ago

4 0

Is it number 21 you need help with?

Zanzabum2 years ago

3 0

Assuming you're talking about 13 cups = ___ pints

There are 2 cups for every 1 pint, so 13 cups would be 6.5 pints

Therefore your solution is 13 c = 6.5 pt

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judith wants to buy her mother flowers. juidth earn $4 a week doing chores. If each flowe cost $2, how many flowers can judith b

g100num [7]

3x4=$12 $12/$2=6

Judith can buy 6 flowers for her mom.

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3 years ago

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The circle below has a radius of 16 inches.

torisob [31]

2*16*3.14=100.48
Answer D
Explanation:
Circumference = 2*pi*radius

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3 years ago

86[]×[]=2325

forsale [732]

Answer:

235

Step-by-step explanation:

The square root of 55,225 is = 235

because,

235 x 235 = 55,225

8 0

3 years ago

Solve the equations for all values of x by completing the square x^2+62=-16x

lorasvet [3.4K]

Answer:

$x = \sqrt{2} - 8\\x = -\sqrt{2} - 8$

Step-by-step explanation:

To complete the square, we first have to get our equation into $ax^2 + bx = c$ form.

First we add 16x to both sides:

$x^2 + 16x + 62 = 0$

And now we subtract 62 from both sides.

$x^2 + 16x = -62$

We now have to add $(\frac{b}{2})^2$ to both sides of the equation. b is 16, so this value becomes $(16\div2)^2 = 8^2 = 64$ .

$x^2 + 16x + 64 = -62+64$

We can now write the left side of the equation as a perfect square. We know that x+8 will be the solution because $8\cdot8=64$ and $8+8=16$ .

$(x+8)^2 = -62 + 64$

We can now take the square root of both sides.

$x+8 = \sqrt{-62+64}\\\\ x+8 = \pm \sqrt{2}$

We can now isolate x on one side by subtracting 8 from both sides.

$x = \pm\sqrt{2} - 8$

So our solutions are

$x = \sqrt{2} - 8\\x = -\sqrt{2} - 8$

Hope this helped!

4 0

2 years ago

Which of the following numbers are divisible by 3? 225, 8,399, 7,392, 9,830 (can be more than one answer) I'm very busy so I jus

soldier1979 [14.2K]

225 and 7392 can both be divided by 3.

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2 years ago

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