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3 years ago

Solve 4 y = 18 . PPPPPPPPLLLLLLLLZZZZZZZZZZ

Mathematics

2 answers:

AURORKA [14]3 years ago

5 0

Answer:

y=4.5

if you are happy with my answer, please give brainliest :)

Step-by-step explanation:

18/4=4.5

KATRIN_1 [288]3 years ago

4 0

Answer:

Exact form= 9/2

Decimal form = 4.5

Mixed number form = 4 1/2

Hopes this helps UwU

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Please help it’s due in like 10 minutes, i’ll give you brain

neonofarm [45]

Answer:

I think it's B, I might be wrong though

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3 years ago

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A recipe calls for 2 cups of flour to make 24 cookies. Write and solve a proportion to find how much flour is needed to make 54

horrorfan [7]

For the answer to the question above,
when you put it into a proportion it would be 2/24 = x/54
multiply 2 and 54 which equals 108
and multiply 24 and x which equals 24x
so you have 24x=108 divide 24x by 24 so you have x standing alone but what you do to one side you have to do to the other so divide 108 by 24 and get 4.5 which is 4 1/2 cups of flour.
So the answer is 2/24 = x/54; x = 4 1/2 cups

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3 years ago

Elisa has 6/14 pounds of flour. She would like to divide the flour equally into 5 bags. How much flour will be in each bag?

spayn [35]

(6/14)/5

5 in fraction form is 5/1.

To divide fractions, you flip the second fraction and multiply. This problem becomes:

6/14 * 1/5

6*1=6

5*14=70

6/70=3/35

There will be 3/35 pounds of flour in each bag.

Hope this helps!!

7 0

4 years ago

A machine produces 3-inch nails. A sample of 10 nails is obtained and the lengths determined. After some calculation, the sample

gtnhenbr [62]

Answer:

The 90% confidence interval for the population mean length of nails produced by the machine.

(2.91562, 3.04438)

Step-by-step explanation:

Step:1

Given that the size of the sample 'n' = 10

Given that the mean of the sample (x⁻) = 2.98

Given that the standard deviation of the sample (s) = 0.09

Degrees of freedom = n-1 = 10 -1 = 9

t₀.₁₀ = 2.2621

Step:2

The 90% confidence interval for the population mean length of nails produced by the machine.

$(x^{-} - t_{9 , 0.10} \frac{S}{\sqrt{n} } , x^{-} + t_{9,0.10} \frac{S}{\sqrt{n} } )$

$(2.98 - 2.2621(\frac{0.09}{\sqrt{10} } , 2.98 + 2.262 \frac{0.09}{\sqrt{10} } )$

(2.98 - 0.06438 , 2.98 + 0.06438)

(2.91562 , 3.04438)

Final answer:-

The 90% confidence interval for the population mean length of nails produced by the machine.

(2.91562, 3.04438)

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3 years ago

A plane travels at a constant speed. It takes 6 hours to travel 3,360 miles. What is the plane’s speed in miles per hour? At thi

irina1246 [14]

The planes speed would be 560 miles/hour.
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