3 years ago

What is a reasonable estimate for the volume of a number cube: 8 cm3, 27 in?, or 1 ft??

Mathematics

1 answer:

LuckyWell [14K]3 years ago

3 0

Answer:

just beweve

Step-by-step explanation:

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Judith went shopping with $50 and spent $45. What percentage of her money did she<br> spend?

juin [17]

Answer:

90%

Step-by-step explanation:

50x2=100, 45x2=90, if 45/50=90/100, thats your %

5 0

4 years ago

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Explain-Carmen is making homemade root beer for an upcoming charity fundraiser.

NeTakaya

Answer:

1.5lb/ounces

Step-by-step explanation:

Given:

Mass of dry ice Carmen uses = 12lb

Mass of root beet = 8ounces

Unknown:

Ratio/Proportional constant for number of pounds to number of ounces of root beer extract = ?

Solution:

To solve this problem,

Ratio = $\frac{number of pounds of dry ice}{Ounce of root beer}$

Ratio = $\frac{12lb}{8ounces}$ = 1.5lb/ounces

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3 years ago

A lotion is made from an oil blend costing $1.50 per ounce and glycerin costing $1.00 per ounce. Four ounces of lotion costs $5.

vovikov84 [41]

Answer:

A=(4-g) 1.5

Step-by-step explanation:

Let g be the amount of glycerin in the lotion. We know that there are 4 ounces total of lotion; this means that there are 4-g ounces of the oil blend.

The oil blend costs $1.50 per ounce; this gives us the expression (4-g)1.5 for the oil blend.

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4 years ago

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1000 student and 0.825 participants in sports how many students participate

kondaur [170]

825
You just multiply 1000 × 0.825 = 825 students

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4 years ago

Prove that<br> cos^4∆ - sin^4∆ = 2cos^2∆ - 1

GarryVolchara [31]

$\cos^{4} x-\sin^{4} x\\\\=(\cos^{2} x+\sin^{2} x)(\cos^{2} x-\sin^{2} x)\\\\=\cos^{2} x-\sin^{2} x\\\\=\cos^{2} x-(1-\cos^{2} x)\\\\=2\cos^{2} x-1$

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2 years ago