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4 years ago

How many ten and ones are in 26

Mathematics

1 answer:

Sidana [21]4 years ago

3 0

Answer:2 tens and 6 ones

Step-by-step explanation:

10+10=20+6=26

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It takes george 1 hour longer to mow the lawn than it takes henry. working together, using two mowers, they can mow the lawn in

Nikolay [14]

I think it’s 22 minutes because it says that George take 1 hour longer than Henry to mow a lawn. When they work together, it takes them 1 hour and 12 hours, do 1 hour and 12 minutes - 1 hour is 12

5 0

3 years ago

Solve cos(2x)=1-sin(x)

Vedmedyk [2.9K]

Given:

$cos(2x)=1-sin(x)$

Expanding using double angle formula,

$1 - 2 \sin^{2} (x) = 1 - \sin(x)$

Rearranging into a single equation,

$1 - 2 \sin^{2}(x) - 1 + \sin(x) = 0$

Combining like terms,

$- 2 \sin^{2} (x) + \sin(x) = 0$

Now multiplying each term by -1,

$2 \sin^{2} (x) - \sin(x) = 0$

Factor greatest common factors out,

$\sin(x)(2 \sin(x) - 1) = 0$

Applying Zero property rule,

$\sin(x) = 0 \: or \: 2 \sin(x) - 1 = 0$

• Solve the trignometric equation to find a particular solution,

$x = 0 \: or \: x = π$

$= > x = 2nπ \: or \: x = π + 2nπ$

• Find the union of the solution sets,

$x = nπ$ }

• Rearrange unknown terms to the left side,

$2 \sin(x) = 1$

• Divide both sides of the equation by the coefficient of variable,

$\sin(x) = \frac{1}{2}$

• Solve the trignometric equation to find a particular solution,

$x = \frac{π}{6} \: or \: x = \frac{5π}{6}$

$= > x = \frac{π}{6} + 2nπ \: or \: x = \frac{5π}{6} + 2nπ,n∈Z$

}

☆ Now finding the union of both sets

$x = nπ \: or \: x = \frac{π}{6} + 2nπ \: or \: x = \frac{5π}{6} + 2nπ,n∈Z$

Hence, the answer is $x = nπ \: or \: x = \frac{π}{6} + 2nπ \: or \: x = \frac{5π}{6} + 2nπ,n∈Z$

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3 years ago

When Catherine marries Edgar where do the two reside

Rudik [331]

Back at the city with the bar and the milkshakes

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3 years ago

Is y=10x^2 a linear equation

vitfil [10]

No, it is an exponential equation. It has an exponent.

8 0

2 years ago

Read 2 more answers

Plz help me with all of this :(

gizmo_the_mogwai [7]

4. <

5. <

6. >

7. =

8. <

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10. >

11. >

12. =

13. Well after I checked it over and over again, the accurate answer is actually 6 o'clock. That's the only number on a clock that's the only one that's opposite each other.

HOPE THIS HELPS!

HAVE A GR8 DAY ;-)

6 0

3 years ago