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3 years ago

15

HEY GUYS HELP I HAVE NO CLUE AND I HAVE TO TURN IT IN AT 25 MINUETS

1 answer:

suter [353]3 years ago

3 0

Answer:

elevator 1 ends at floor 23. Elevator 2 ends at floor 42.

Step-by-step explanation:

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Estimate a 15% tip on a dinner bill of $61.31 by first rounding the bill amount to the nearest ten dollars.

Harlamova29_29 [7]

Answer:

The Tip amount is $ 9

Step-by-step explanation:

Given as :

The total dinner bill = $ 61.31

Rounding the bill to nearest ten dollars

The value of bill after rounding it to ten dollars = $ 60

Now The percentage of tips = 15% of dinner bill

So, The amount given as tip = 15% × $ 60

Or, The amount given as tip = $ 9

Hence The Tip amount is $ 9 Answer

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3 years ago

Please answer this question!! 30 points and brainliest!

Anarel [89]

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Step-by-step explanation:

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3 years ago

Districts tax is 2.5% of households income and the smith household earns $80,000 per year. How much do the smiths pay in school

Olin [163]

You will take the income and multiply it by the percent in decimal form:

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3 years ago

dusya [7]

Step-by-step explanation:

$(3m - 2m)(9m {}^{2} + 6m + 4 {m}^{2} )$

2.

$(p + 5q)( {p}^{2} - 5qp + 25q {}^{2} )$

3.

$25(2x + 1) {}^{2}$

4.

$\: (2x - 1)(x + 5)$

5.

$(a + 5b)( {a}^{2} - 5ba + 25 {b}^{2} )$

6.

$(x - 3)(2x - 5)$

7.

$(x + 2)(x + 8)$

8

$(x - 3)(x - 6)$

9.

$(x - 6)(x + 4)$

10.

$(x - 9)(x - 4)$

11.

$(3x +5 )(x - 2)$

12.

$(2x - 3)(x - 5)$

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$(8x + 1)(x + 2)$

4 0

3 years ago

What is the answer ?

Len [333]

Answer:

Thus, option (c) is correct.

β = 61.5

Step-by-step explanation:

Given , $\sin (\frac{x}{2}+20x)=\cos(2x+\frac{15x}{2})$ , we have to solve for x, and then find the value of β ( β > α )

Consider $\sin (\frac{x}{2}+20x)=\cos(2x+\frac{15x}{2})$ ,

First solve for x ,

$\Rightarrow \sin (\frac{x}{2}+20x)=\cos(2x+\frac{15x}{2})$

$\Rightarrow \sin (\frac{x+40x}{2})=\cos(\frac{4x+15x}{2})$

Thus, $\Rightarrow \sin (\frac{41x}{2})=\cos(\frac{19x}{2})$

Also, $\sin (90-\theta)=\cos \theta$ , we get,

Thus, $\Rightarrow \cos (90-\frac{41x}{2})=\cos(\frac{19x}{2})$

since, LHS = RHS thus, angle must be equal,

$\Rightarrow 90-\frac{41x}{2}=\frac{19x}{2}$

$\Rightarrow 90=\frac{19x}{2}+\frac{41x}{2}$

$\Rightarrow 90=\frac{19x+41x}{2}$

$\Rightarrow 90=\frac{60x}{2}$

$\Rightarrow x=3$

Thus, $\frac{x}{2}+20x=\frac{3}{2}+20(3)=\frac{3}{2}+60=61.5$ ,

Other angle can be found using angle sum property, as sum of angle of a triangle is 180°

Let third angle be y, then ,

90 + 61.5 + y = 180°

y = 180° - 151.5°

y = 28.5°

Since ( β > α ) ⇒ β= 61.5 and α = 28.5

Thus, option (c) is correct.

⇒ β = 61.5

7 0

3 years ago