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Step2247 [10]
2 years ago
10

Jamal used 7.56 liters of milk to make milkshakes for him and 11 friends. Each milkshake used the same amount of milk. How much

milk is in each milkshake? *
Mathematics
1 answer:
kirill115 [55]2 years ago
8 0

Answer:

0.63 Liters, or, if needed in fraction form, about 2/3 of a Liter per milkshake

Step-by-step explanation:

7.56 liters in total /divided by 11(+1 for Jamal) friends/ = ).63 liters per shake

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A university researcher wants to estimate the mean number of novels that seniors read during their time in college. An exit surv
lys-0071 [83]

Answer:

Population mean = 7 ± 2.306 × \frac{2.29}{\sqrt{9} }

Step-by-step explanation:

Given - A university researcher wants to estimate the mean number

            of  novels that seniors read during their time in college. An exit

            survey was conducted with a random sample of 9 seniors. The

            sample mean was 7 novels with standard deviation 2.29 novels.

To find - Assuming that all conditions for conducting inference have

              been met, which of the following is a 94.645% confidence

              interval for the population mean number of novels read by

              all seniors?

Proof -

Given that,

Mean ,x⁻ = 7

Standard deviation, s = 2.29

Size, n = 9

Now,

Degrees of freedom = df

                                = n - 1

                                = 9 - 1

                                = 8

⇒Degrees of freedom = 8

Now,

At 94.645% confidence level

α = 1 - 94.645%

   =1 - 0.94645

  =0.05355 ≈ 0.05

⇒α = 0.5

Now,

\frac{\alpha}{2} = \frac{0.05}{2}

  = 0.025

Then,

t_{\frac{\alpha}{2}, df }  = 2.306

∴ we get

Population mean = x⁻ ± t_{\frac{\alpha}{2}, df } ×\frac{s}{\sqrt{n} }

                           = 7 ± 2.306 × \frac{2.29}{\sqrt{9} }

⇒Population mean = 7 ± 2.306 × \frac{2.29}{\sqrt{9} }

3 0
3 years ago
Read 2 more answers
Susan threw a softball 42 yards on her first try and 51 1/2 yards on her second try.
ivolga24 [154]

Answer:

the answer is 9 ft 12in here is a simple formula to find how many inches are In a yard

1 yard = 24 inches and half of 24 equals 12

5 0
3 years ago
In triangle UVW, UW is extended through point W to point X, angle VWX = (7x + 10), angle WUV = (2x + 20°, and angle UVW = (2x +
kow [346]

Serious Question That may give you 100% Verify right answer:

Do you have a Image since I already answer here the answer

Answer

5.0/5

7

oeerivona

Answer:

The value of x is 9°

Step-by-step explanation:

The given parameters are;

ΔUVW with side UW extended to X

m∠UVW = (3x + 4)°

m∠VWX = (8x -12)°

m∠WUV = (x + 20)°

We have that m∠UVW + m∠WUV  + m∠VWU = 180° (Sum of the interior angles of a triangle theorem)

∴ m∠VWU = 180° - (m∠UVW + m∠WUV)

Also we have that m∠VWX and m∠VWU are supplementary angles, (The sum of angles on a straight line)

∴  m∠VWX + m∠VWU = 180° (Definition of supplementary angles)

m∠VWU = 180° - m∠VWX

∴ m∠VWX = (m∠UVW + m∠WUV)

Substituting the values, gives;

(8x -12)° = (3x + 4)° + (x + 20)°

8x - 3x - x = 4 + 20 + 12

4x = 36

x = 36/4 = 9

x = 9°.

4 0
3 years ago
The sum of four consecutive odd numbers is 80 find the number
Setler [38]

Answer:

Let the numbers are

x, (x+2), (x-2) and (x+4)

Step-by-step explanation:

x + x +2 +x - 2+x+4 = 80

4x +4 = 80

4x =80-44x = 76

4x = 76

x = 76/4

x = 19x

x=19

(x+2) =19+2=21

(x-2) = 19-2=17

(x+4)=(19+4)=23

hope it helps

mark me brainliest pls

4 0
2 years ago
Your soccer team is holding a silent auction dinner as a fundraiser to pay for the team uniforms. The list shows all the expense
Naddik [55]

Answer:

The answer to this problem would be 900$.

WHY?:

I already did this question myself!!

3 0
3 years ago
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