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2 years ago

Help fast!!!

Mathematics

1 answer:

torisob [31]2 years ago

5 0

Expected is -3
Expect to lose $3… bad game right there!

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PLEASE HELP!!!! 20 POINTS!!!

Vlad1618 [11]

Mass = density* volume
since density= mass/volume then mass/volume*volume=mass
= 4.5*0.4 = 1.80g

6 0

3 years ago

The parabola y = x² - 4 opens: <br> A.) up <br> B.) down<br> C.) right<br> D.) left

fomenos

Answer:

Step-by-step explanation:

Here the easy rules to remember the orientation of the parabolas are

a) If x is squared it opens up or down. And its coefficient of { $x^{2}[tex] is negative it opens down.b) If y is squared it opens side ways right or left. It its coefficient of [tex]y^{2}$

Hence in our equation of parabola

$y = x^ 2-4$

x is squared and its coefficient is positive , hence it opens up towards positive y axis.

3 0

2 years ago

What is the solution to the compound inequality in interval notation?

Eduardwww [97]

First solve the 2 inequalities for x:-

x > 0 or x <= -5

The last choice is the correct one.

5 0

3 years ago

Read 2 more answers

A washer and dryer cost a total of $1152. The cost of the washer is two times the cost of the dryer. Find the cost of each item.

ASHA 777 [7]

Answer: 576 for both

Step-by-step explanation:

5 0

3 years ago

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What is the actual height of the building shown in the model?

julsineya [31]

Answer:

The actual height is 150ft

Step-by-step explanation:

Given

$Width : Height = 2cm : 5cm$

$Actual\ width = 60ft$

Required

Determine the actual height

Substitute 60ft for width in: $Width : Height = 2cm : 5cm$

$60ft:Height =2cm:5cm$

Express as fraction

$\frac{60ft}{Height} =\frac{2cm}{5cm}$

$\frac{60ft}{Height} =\frac{2}{5}$

Make height the subject

$Height = \frac{5}{2} * 60ft$

$Height = 5 * 30ft$

$Height = 150ft$

7 0

3 years ago

Read 2 more answers