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Lunna [17]
3 years ago
6

What is the value of ( 2 1/4 ) ?

Mathematics
1 answer:
castortr0y [4]3 years ago
3 0

Answer:

2.25

Step-by-step explanation:

1/4 (one quarter) is equal to .25 or 25% of 100

2+.25=2.25

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Identify the constant of proportionality in the equation.
nikitadnepr [17]

Answer:

12

Step-by-step explanation:

4y = 48x

Divide each side by 4

4y/4 = 48/4

y = 12x

The constant is 12

8 0
3 years ago
Read 2 more answers
Andrea's dad is 57 kilograms heavier than Andrea. Andrea weighs 34 kilograms. how much does Andrea's dad weigh?
lys-0071 [83]
Too solve this, you just do 57 + 34 which is 91.
6 0
2 years ago
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Solve for x, given the equation Square root of x-5+7=11
denis-greek [22]

\sqrt{x-5+7} = 11\\x-5+7 = 11^2\\x-5+7 = 121\\x + 2 = 121\\x = 119

Check the answer:

\sqrt{119-5+7} \\\sqrt{114+7} \\\sqrt{121} \\11

This answer is correct,

x = 119

6 0
2 years ago
Refer to the accompanying data set of mean​ drive-through service times at dinner in seconds at two fast food restaurants. const
Anton [14]

Step-by-step explanation:

Assuming the data is as shown, restaurant X has a mean service time of 180.56, with a standard deviation of 62.6.

The standard error is SE = s/√n = 62.6/√50 = 8.85.

At 95% confidence, the critical value is z = 1.960.

Therefore, the confidence interval is:

180.56 ± 1.960 × 8.85

180.56 ± 17.35

(163, 198)

Restaurant Y has a mean service time of 152.96, with a standard deviation of 49.2.

The standard error is SE = s/√n = 49.2/√50 = 6.96.

At 95% confidence, the critical value is z = 1.960.

Therefore, the confidence interval is:

152.96 ± 1.960 × 6.96

152.96 ± 13.64

(139, 167)

4 0
3 years ago
How much is 2000 × 36 =? help my please ​
PIT_PIT [208]

Answer:

72000 should be your answer

Step-by-step explanation:

Got it off of g o o g l e so it should be right!

4 0
2 years ago
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