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Helga [31]
3 years ago
15

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

Mathematics
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

8 0
3 years ago
Please answer this question!! 30 points and brainliest!
Anarel [89]

Answer:B

Step-by-step explanation:

6 0
2 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:

80000(.025)= $2,000 paid in taxes each year
6 0
3 years ago
Please help
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)

13.

(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
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