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makkiz [27]
3 years ago
9

The product of 10 and half of A

Mathematics
1 answer:
lions [1.4K]3 years ago
5 0

Answer:

Step-by-step explanation:

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If a+1,2a+1,4a-1 are in A.P, then the value of a is
Digiron [165]

Answer:

a = 2

Step-by-step explanation:

In an AP  the difference between consecutive terms is common (equal), thus

t₂ - t₁ = t₃ - t₂ , that is

2a + 1 - (a + 1) = 4a - 1 - (2a + 1) ← distribute and simplify both sides

2a + 1 - a - 1 = 4a - 1 - 2a - 1

a = 2a - 2 ( subtract 2a from both sides )

- a = - 2 ( multiply both sides by - 1 )

a = 2

6 0
3 years ago
25 is 36% of what number
ch4aika [34]

Answer:

x = 69.44

Step-by-step explanation:

We have, 36% × x = 25

or, 36/100 × x = 25

Multiplying both sides by 100 and dividing both sides by 36,

we have x = 25 × 100/36

x = 69.44

If you are using a calculator, simply enter 25×100÷36, which will give you the answer.

4 0
2 years ago
A jar of tickets for a drawing contains 22 winning tickets and 63 non-winning tickets. What are the odds against winning in the
Darya [45]

Answer:

B.

Step-by-step explanation:

You have to find the total of tickets which is 85 and find the non-winning tickets which is 63. So, the answer is 63:85.

8 0
3 years ago
In a right triangle sin A=
kherson [118]

Answer:

sinA=\frac{opposite}{hypotenuse}

Step-by-step explanation:

Soh-cah-toa is a great way to remember:

sin=\frac{opposite}{hypotenuse}\\ cin=\frac{adjacent}{hypotenuse}\\ tan=\frac{opposite}{adjacent}

You just remember the first letters : sine= opposite/hypotenuse , for example.

6 0
3 years ago
Read 2 more answers
700=132.69x-25.96 <br> solve please
Damm [24]

Answer:

x = 5.5 (rounded)

Step-by-step explanation:

Equation: 700 = 132.69x - 25.96

Add 25.96 to both sides: 700+25.96 = 132.69x -25.96 + 25.96

Simplify: 725.96 = 132.69x

Isolate x

Divided both sides by 132.69: \frac{725.96}{132.69} = \frac{132.69x}{132.69}

Simplify: x = 5.5 (rounded)

7 0
3 years ago
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