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wel
2 years ago
7

Please show me step by step​

Mathematics
1 answer:
AURORKA [14]2 years ago
7 0

Answer:

Step-by-step explanation:

Picture

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Pls help me if I cabbnnnnsbdhdhdjdjxjkxx
lakkis [162]

Answer:

33.49 mm³

Step-by-step explanation:

The formula of volume of sphere

=  \frac{4}{3} \pi {r}^{3}

The volume of the sphere

=  \frac{4}{3}  \times 3.14 \times  {2}^{3}

=  \frac{100.48}{3}

= 33.4933333...

= 33.49 mm³ (rounded to the nearest hundredth)

3 0
3 years ago
What is -2 = x/-4 + 9
svetlana [45]

<em>I would say that your answer is </em><em>44</em>

4 0
3 years ago
Read 2 more answers
Kayla has 14.5% of her salary placed into an Individual Retirement Account. What fraction is this?
Monica [59]
1. Convert percent into decimal (it will help)
14.5\% = .145
2. Convert Decimal to fraction
\frac{.145}{1000}

4 0
3 years ago
-12(mayor o igual que)5x-9<br> Resolver con inecuaciones<br> ayuda porfa
ivolga24 [154]
-12>/5x-9
+9 A Los dos lados
-3>/5x
÷5 Los dos lados
-3/5 >/ x
x </ -3/5
4 0
3 years ago
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(x+2)(x-3)(x+5) is identical to x^(3)+ax^(2)-11x+b<br> Find the value of a and the value of b
lutik1710 [3]

Answer:

a = 4 and b = - 30

Step-by-step explanation:

Expand the left side and compare like terms on both sides, that is

(x + 2)(x - 3)(x + 5) ← expand the first pair of factors using FOIL

= (x² - x - 6)(x + 5) ← distribute

= x³ + 5x² - x² - 5x - 6x - 30 ← collect like terms

= x³ + 4x² - 11x - 30

Compare like terms with x³ +ax² - 11x + b

4x² and ax² ⇒ a = 4

+ b and - 30 ⇒ b = - 30

3 0
3 years ago
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