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Natali [406]
3 years ago
9

Determine the measure of ZA. 45.6° 57.7° 55.2° 32.3°

Mathematics
1 answer:
NemiM [27]3 years ago
3 0

Step-by-step explanation:

Cos A = 40^2 + 25^2- 34^2 ÷ (2×40×25)

= 200+625-1156 ÷ (2000)

= 1069 ÷2000

Cos A = 0.5345

A= cos inverse 0.5345

A = 57.7

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Sin(x)= --0.7 <br> solve in degrees
Rzqust [24]

If \sin x=-(-0.7) then x=\arcsin(0.7)\approx\boxed{44.427^{\circ}}.

Hope this helps.

5 0
3 years ago
Find the midpoint of the line segment with the given endpoints.<br><br> Please help
leonid [27]
Answer: Midpoint: (3,-8)
(WORK SHOWN BELOW)

3 0
3 years ago
Idk how to work this out 6h-11-h+4-27h-2
weqwewe [10]
6h-11-h+4-27h-2
=-22h-9
7 0
3 years ago
At a salesperson nakia is paid $50 per week plus$3 per sale.This week makati hopes to earn at least $100. Write an inequality fo
Inessa [10]

Answer:

The Inequality representing the number of sales needed is 50+3x\geq 100.

Mali need to make at least <u>17 sales</u> for to earn $100.

Step-by-step explanation:

Given:

Amount paid per week = $50

Amount paid on per sale = 3

Total amount to be earned \geq $100

We need to write and solve the inequality to find the number of sales need to be make.

Solution:

Let the number of sales need to be make be 'x'.

Now we can say that;

Amount paid per week plus Amount paid on per sale multiplied by number of sales should be greater than or equal to Total amount to be earned.

framing in equation form we get;

50+3x\geq 100

Hence the Inequality representing the number of sales needed is 50+3x\geq 100.

On Solving above Inequality we get;

Subtracting both side by 50 using Subtraction property of Inequality we get;

50+3x-50\geq 100-50\\\\3x\geq 50

Now Dividing both side by 3 Using Division property of Inequality we get;

\frac{3x}{3}\geq \frac{50}{3}\\ \\x\geq 16.66

Hence Mali need to make at least <u>17 sales</u> for to earn $100.

4 0
3 years ago
An emerald pendant was marked up 150% from an original cost of $488. Last Friday, Cameron bought the emerald pendant and paid an
Marysya12 [62]

Given parameters:

Mark up percentage  = 150%

Original cost = $488

Sales tax = 5%

Unknown:

His total cost  = ?

Solution:

Marking up a good is the amount a sell adds to a product which makes its selling price usually for a profit.

 Since the emerald was marked up by 150%;

   New cost  = (1 + 1.5) x $488 = $1220

Now, the additional tax was 5%;

   Tax = \frac{5}{100} x 1220 = $61

So, the total cost = New cost + tax  = $1220 + $61 = $1281

4 0
3 years ago
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