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Anettt [7]
2 years ago
14

What is the value of x in the following equation? 2 (x - 4) + 15 = 21

Mathematics
1 answer:
viktelen [127]2 years ago
5 0
The answer would be x=7.
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Fill in the missing term and select the missing description. Simplify any fractions.
mina [271]

Answer:

t = 18/2

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Sorry only thing I know is this!!

6 0
3 years ago
!!!PLEASE HELP I'LL GIVE BRAINLIEST AND 30 POINTS!!!
zepelin [54]

If two events are independent, then P(A and B) = P(A) x P(B).

In your situation, you need to solve 0.185 = 0.25 x P(B).

Can you take it from there?

8 0
2 years ago
A sum amount <br>to rupees 34476 in two and a half years at 4% CI. the sum is ​
Kruka [31]

Given:

Amount = Rs. 34476

Rate of compound interest = 4%

Time = 2\dfrac{1}{2}=2.5 years

To find:

The principal value.

Solution:

Formula for amount is

A=P\left(1+\dfrac{r}{100}\right)^t

Where, P is principal value, r is rate of interest and t is time in years.

Putting the given values, we  get

34476=P\left(1+\dfrac{4}{100}\right)^{2.5}

34476=P\left(1+0.04\right)^{2.5}

34476=P\left(1.04\right)^{2.5}

\dfrac{34476}{\left(1.04\right)^{2.5}}=P

Now,

P=31256.0090

P\approx 31256

Therefore, the value of sum or principal value is Rs.31256.

6 0
2 years ago
In a school 40% are boys and 900 are girls. find the total number of students of the school and the number of boys
My name is Ann [436]

Answer:

1500 students

600 boys

Step-by-step explanation:

40% are boys, so 60% are girls.

Writing a proportion:

900 / 60% = x / 100%

x = 1500

There are 1500 students in the school, which means there are 600 boys in the school.

6 0
3 years ago
Can someone plz help me with this one problem pls I really need to get to and 85 !!
leonid [27]

Answer:

I think it’s  28.3

Step-by-step explanation:

Sorry If I’m wrong

4 0
3 years ago
Read 2 more answers
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