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Anvisha [2.4K]
3 years ago
15

In right triangle ABC, mZC=90 , and sin A = 3/5, what is the value of cos B?

Mathematics
1 answer:
SpyIntel [72]3 years ago
6 0
It’s b because it’s correct
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What is the length of side AC as shown on the coordinate plane? 5 4 3 NO A 00 2 3 5 X O 1 units O 3 units O 4 units Suo​
kobusy [5.1K]

the coordinates are (-2,1) (-2,-3) that is the answer

6 0
3 years ago
A salesperson earns $450.20 per week plus 15% of her weekly sales. Which of the following describes the sales necessary for the
lapo4ka [179]
First we must construct an equation to model the problem. (In this case we will use an inequality instead) This is what I came up with:
         450.20+0.15s>=600.10

This equation shows how if her base earnings ($450.20) are added to 15% of her sales, represented by s, then the total will be greater than or equal to $600.10
Next, we simply solve for s. (steps shown below)

1) 450.20+0.15s>=600.10 (simply restating the inequality)
2) 0.15s>=149.90 (here I isolated the variable)
3)0.15s/0.15>=149.90/0.15 (Finally I solve for s by dividing both sides by 0.15, this will isolate s on the left and leave the answer on the right)
4) s>=999.33... (here I found the total sales the salesperson would need to reach his/her goal of earning a minimum of $600.10; the 3's after the decimal are repeating so in the next step I will round up to the nearest hundredth (b/c this is what money is rounded to and if I round down he/she would make less than her goal. This means i must round up.))
5) s>=999.34 (simple rounding; once again I rounded up b/c rounding down would slightly bring the total earnings to less than the goal)

<u>Therefore, the salesperson would need his/her sales to be $999.34 in order for his/her total earnings for the week to be at least $600.10</u> (greater than or equal to $600.10)

<u>Hope this helped!</u>
4 0
3 years ago
What is the value of z in the equation 2(4z − 3 − 1) = 166 − 46?
shepuryov [24]

Refine 2(4z-3-1)

= 2(4z-4)

Refine : 166 - 16 = 120

therefore:

2(z-4) = 120

Divide both sides by  2 :

\frac{2(z-4)}{2} =  \frac{120}{2}

4z-4 = 60

add 4  to both sides:

4z-4+4 = 60+4

4z = 64

Divide both sides by 4 :

\frac{4z}{4} =  \frac{64}{4}

z = 16

hope this helps!


8 0
3 years ago
Read 2 more answers
Can you please help me which one has the same value as 1.303​
olya-2409 [2.1K]

Answer:

the answer is B

Step-by-step explanation:

6 0
3 years ago
A game room has a floor that is 120 feet by 75 feet.A scale drawing of the floor on grid paper uses a scale of 1 unit:5 feet.Wha
erik [133]
We know,
1 unit : 5 feet

so, 120 ft = (120 / 5) units
                = 24 units
  
        75 ft = (75 / 5) units
                = 15 units

∴ Dimensions of scale drawing is 24 units by 15 units.

8 0
3 years ago
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