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BARSIC [14]
3 years ago
6

-5.7+2.6d=-14.02 answer

Mathematics
1 answer:
zavuch27 [327]3 years ago
8 0

<u><em>d=-16/5 is the right answer. </em></u><em> </em>First, you had to multiply by 100 from both sides of the equation. And it gave us -5.7*100+2.6d*100=-14.02*100. Then, you had to refine. And it gave us -570+260d=-1402. Third, you can also add by 570 from both sides of the equation, and it gave us-570+260d+570=-1402+570. Then simplify and it gave us, 260d=-832. Next, you had to divide by 260 from both sides of equation. And it gave us, \frac{260d}{260}= \frac{-832}{160}. And finally, simplify it's should be the right answer. And it gave us the answer is <u><em>d=-16/5 is the right answer. </em></u> Hope this helps! Thank you for posting your question at here on brainly. And have a great day! -Charlie

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X=2π/3
Marina86 [1]

Answer:

cos{\frac{2\pi}{3}}=-\frac{1}{2}.

Reference angle is \frac{\pi}{3}

Step-by-step explanation:

Given the value of x. we have to find the correct value of cosx.

x=\frac{2\pi}{3}

Now, we have to find the exact value of cos{\frac{2\pi}{3}}

cos{\frac{2\pi}{3}}=cos(\frac{\pi}{2}+\frac{\pi}{6})

                =-sin(\frac{\pi}{6})

                 =-\frac{1}{2}

Now, we have to find the reference angle of x=\frac{2\pi}{3}.

Since the angle x=\frac{2\pi}{3} lies in second quadrant, the reference angle formula is

Reference angle= \pi-given angle.

                           =\pi-\frac{2\pi}{3}=\frac{\pi}{3}

3 0
3 years ago
742 hard boiled egg into cartons for a community farm fundraiser. Each carton holds 12 eggs.
ch4aika [34]

Answer:

I am assuming you want to know how many total cartons will be used which is about 61 cartons with a remainder of 10 eggs.

Step-by-step explanation:

To solve for this problem we have to divide 742 by 12:

742/12 = 61.833333...

This means that the "whole" number of cartons will be 61

If you want to find the remaining eggs not in decimal form, you have to mulitlpy 12 by 61 and take this number away from 742 to find the remainder:

**Note: 12 * 61 can also be written as 61 * 12

12 * 61 = 732 → 742 - 732 = 10 eggs


I hope this helps!

8 0
3 years ago
Micheal models an experiment. He places a model car on a tramp that can be adjusted to different heights. Each time the model ca
Nadusha1986 [10]

Answer:A

Step-by-step explanation:

because i just know iot is

8 0
1 year ago
At a video arcade action video games usually cost $12.50. This week they are on sale for 30% off. What is the sale price of the
Juliette [100K]

Answer: 8.75


Step-by-step explanation:

12.50 x 30% or .03

= 3.75

3.75 - 12.50

= 8.75

5 0
3 years ago
Read 2 more answers
-6(-4x + 3) = 2(10x + 3)
Naya [18.7K]

Answer:

x = -6/11

Step-by-step explanation:

-6(-4x + 3) = 2(10x + 3)

-6 * -4x = -24x

-6 * 3 = -18

2 * 10x = 20x

2 * 3 = 6

-24x - 18 = 20x + 6

-20x           -20x

-44x - 18 = 6

+18           +18

-44x = 24

-------   ------

 -44      -44

24/-44 = -24/44

-24/44 = -6/22

x = -6/11

8 0
3 years ago
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