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2 years ago

Use counters to add -2 + -3. You start with: You add:

Mathematics

1 answer:

jok3333 [9.3K]2 years ago

3 0

it equals take the l

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Donald can type 240 words in 6 minutes. How long will it take him to type a 1000-word essay if he types at the same rate? (Pls I

lukranit [14]

Answer:

a : 6

b : 240

c : 166.7 or 166.666666667

Step-by-step explanation:

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2 years ago

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Wxyz is a rectangle. what is zx?

Nitella [24]

ZX is the diagonal :)
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3 years ago

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Х g(x) -7 -4 -3 -4 *2 1 1 2 -h statement in truon

s2008m [1.1K]

Answer:

and I have to be a good guy and a great guy and a good man to help him out and

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3 years ago

Which of the following is a solution of x2 + 2x + 8?

zubka84 [21]

Using the quadratic equation we get:
$\frac{ - 2 + - \sqrt{4 - 32} }{2} = \frac{ - 2 + - \sqrt{ - 28} }{2}$

Factoring out 2 we get
$\frac{ - 2 + - 2\sqrt{ - 7} }{2} = - 1( + - ) \sqrt{ - 7}$
Factoring out the imaginary number:
$- 1 + \sqrt{7} i \: (and) \: - 1 - \sqrt{7} i$
So b.

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2 years ago

These cylinders are similar. Find the volume of

Basile [38]

Answer:

$V_s=85\ cm^3$

Step-by-step explanation:

Let $V_s\ and\ V_b$ be the volumes of the smaller and bigger cylinder.

The formula for the volume of a cylinder is given by :

$V=\pi r^2 h$

As the two triangles are similar, the cube of their ratio would equal the ratio of their volume i.e.

$\dfrac{V_s}{V_b}=(\dfrac{h_s}{h_b})^3\\\\\dfrac{V_s}{V_b}=(\dfrac{3}{5})^3\\\\\dfrac{V_s}{V_b}=0.216\\\\V_s=393\times 0.216\\\\V_s=84.8\\\\or\\\\V=85\ cm^3$

So, the volume of the smaller cylinder is equal to $85\ cm^3$ .

3 0

2 years ago

Use counters to add -2 + -3. You start with: You add:​

Use counters to add -2 + -3. You start with: You add: