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GuDViN [60]
3 years ago
15

Can someone please answer this i Dont understand ​

Mathematics
2 answers:
Tcecarenko [31]3 years ago
8 0
The answer is c.use pemdas❤️
svp [43]3 years ago
3 0

Answer:

C

Step-by-step explanation:

Going by order of PEMDAS (parenthesis, exponents, multiplication, division, addition, subtraction), you add the 2 and the 9 first due to them being in parenthesis. You then multiply by 5.

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If tan x=2021<br> x=20/21 <br> and <br> π&lt; x &lt; 3π/2<br> what is cos⁡(x+π/2)?
Flura [38]

Answer:

42Sin

Step-by-step explanation:

Speed it up

7 0
4 years ago
A store purchased a DVD for $12.00. The store charged a 50% markup on the purchase price. The customer was also charged a 7% tax
stira [4]

Answer:

19.26$

Step-by-step explanation:

Sold DVD for

50

%

more of the purchase price of

12

$

so

12

+

50

100

(

12

)

=

12

+

6

18

So customer will pay

7

%

tax on

18

$

Hence he will pay

18

(

1.07

)

$

=

19.26

$

8 0
3 years ago
Giving twenty points! (: (10 points each!)
mrs_skeptik [129]
A. given
b. distributive property (a(b+c)=ab+ac)
c. addition or commutative property (a+b=b+a)
d. subtraction property of equality (if a=b, then a-c=b-c)
e. division property of equality (if a=b, then a/c=b/c)
f. equality property (if a=b, then b=a)
4 0
3 years ago
Read 2 more answers
Find the value of 9x + 4y when x = 4 and y = -3
Serga [27]

Answer:

24

Step-by-step explanation

since the values are given, we can rewrite this equation.

(9 x 4) + (4 x -3)

36 + -12

24

5 0
3 years ago
Read 2 more answers
21. Mickey earned $475 from mowing lawns last summer. He deposited this money in an
Dennis_Churaev [7]

Answer:

first, u need to know the formula for compound interest, which is:

A = P(1 + \frac{r}{100})^{n}

where A is the final amount

P- initial amount

r- percent compounded(interest)

and

n- number of years

so

we have

A = 475(1 + \frac{3.8}{100})^{4}

3.8/100 = 0.038

1+0.038 =1.038

1.038^4 = 1.160885573136

475 * 1.160885573136 = 551.4206472396‬

approximately $551.42

5 0
4 years ago
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