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4 years ago

I need help with the answers to the questions

Mathematics

1 answer:

natulia [17]4 years ago

8 0

I already did that page number 1 is 30

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Square root of complex number -14?

Wittaler [7]

Answer:

square root(-14) =

3.74165739

Step-by-step explanation:

7 0

3 years ago

Which expression can be written as 5 ⋅ ( 2 + 7 )?

miskamm [114]

The correct answer for this question would be choice C) (5*2) + (5*7) or the third option since 5 * (2 + 7) and option C) both have the same solution which is 45, can both be classified as equivalent expressions.

3 0

3 years ago

Read 2 more answers

You roll a fair die three times. What is the probability of each of the following? a) You roll all 2's. b) You roll all odd

Elanso [62]

Answer:

$\frac{1}{6}$ × $\frac{1}{6}$ × $\frac{1}{6}$ $=\frac{1}{72}$

$\frac{1}{2}$ × $\frac{1}{2}$ × $\frac{1}{2} =\frac{2}{8}$

$\frac{4}{6}$ × $\frac{4}{6}$ × $\frac{4}{6} =$ $\frac{8}{27}$

$\frac{1}{6}$ × $\frac{1}{6}$ × $\frac{1}{6}$ $=\frac{1}{72}$

$\frac{8}{27}$

5 0

3 years ago

If you pay $3.36 in tax, what was the original price at an 8% sales tax

yanalaym [24]

Answer:

Step-by-step explanation:

Given

8% = $3.36
100% = x

Cross multiply and solve for x:

x = $3.36*100/8 = $42

4 0

3 years ago

Help!! Thank you so much!!

Orlov [11]

The volume we're looking for is the volume of both cones in the figure.

The volume of a cone is $V=\pi r^2\frac{h}{3}$ .

So, $V_{tot} = V_{1} + V_2$ .

Cone 1's variables:

r = 2.6

h = 5

Cone 2's variables:

r = 2.6

h = 3

Now we can just plug and chug!

$V_{tot} = [(3.14)(2.6^2)(\frac{5}{3} )] + [(3.14)(2.6^2)\frac{3}{3} )]\\V_{tot} = [(3.14)(6.76)(1.67)] + [(3.14)(6.76)(1)]\\V_{tot} = (35.45) + (21.23)\\V_{tot} = 56.68$

V = c. 56.6 cubic units

5 0

3 years ago