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ipn [44]
3 years ago
12

4 times a number plus 4 is twice the number​

Mathematics
1 answer:
nekit [7.7K]3 years ago
7 0

Answer:

idk go back to 5th grade you might learn how to add but for ur answer is 8

Step-by-step explanation:

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Hari earns Rs 4300 per month. He spends 80% from his income. How much does he save in a year? ​please give answer in step by ste
kondaur [170]
  • Ravi earns per month=Rs4300
  • Spends=80%

Saving percentage=100-80=20%

Saving amount:-

\\ \sf\longmapsto 4300\times 20\%

\\ \sf\longmapsto 4300\times \dfrac{20}{100}

\\ \sf\longmapsto 43\times 20

\\ \sf\longmapsto 860

<h3>saving per year=Saving per month×12</h3>

\\ \sf\longmapsto 12\times 860

\\ \sf\longmapsto Rs10320

7 0
2 years ago
Read 2 more answers
An orange cone has a exact volume of 120π ft³. What is the height of the cone if the radius is 6ft?
Ber [7]

Answer:

10 ft

Step-by-step explanation:

Given:

  • Radius ⇒ 6 feet
  • Formula of cone ⇒ V = 1/3πr²h

Plug in the values given:

  • 120π=1/3π(6²)h

Cancel π from both sides and simplify:

  • 120 = 1/3 36h
  • 120 = 12h

Answer:

  • Height = 10
4 0
2 years ago
Daniel has $30 in a savings account that earns 5%
kaheart [24]

If Daniel has $30 in a savings account that earns 5% annually and the interest is not compounded,then he will get $33 after 2 years.

Given that Daniel has $30 in a savings account that earns 5% annually and the interest is not compounded.

We are required to find the amount of money that Daniel will get after 2 years.

Since the amount is not compounded so interest will be same in all years as if in the first year.

The interest will be 2*30*0.05=3

The total amount including interest=30+3

=$33

Hence if Daniel has $30 in a savings account that earns 5% annually and the interest is not compounded,then he will get $33 after 2 years.

Learn more about compounding at brainly.com/question/24924853

#SPJ9

8 0
1 year ago
What is the measure of
posledela
The triangle is isosceles so m∠A and m∠C are the same. 

So to find ∠B, we do 74 + 74 + b = 180

148 + b = 180
b = 180 - 148
b = 32

Answer B is the right choice. 
3 0
3 years ago
A regression by a sample of 10 observations gives: Score=49.5+1.96 Study Hours. The sample mean of study hour is 10.5 and sum of
amm1812

Answer:

0.1463

Step-by-step explanation:

Number of observations = 10

Sample mean = 10.5

Sum of standard deviation = 264.5

X = 14

We are to calculate The leverage statistic for study hour 14 using the data above

= 1/10 + (14-10.5)²/264.5

= 1/10 + 3.5²/264.5

= 0.1 +12.25/264.5

= 0.1+0.04631

= 0.1463 is the leverage statistic for the study

4 0
3 years ago
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