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allochka39001 [22]
3 years ago
6

Solve. Don't forget the $ sign! *

Mathematics
1 answer:
Leno4ka [110]3 years ago
5 0

Answer:

$3, 661.60

Step-by-step explanation:

1703.44 + 1958.16

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I need help please?!!
Sveta_85 [38]

Answer:

72

Step-by-step explanation:

8 0
3 years ago
at a lunch stand, each hamburger has 50 more calories than each order of fries. if 2 hamburgers and 3 orders of fries have a tot
CaHeK987 [17]

The correct answer is 370. A system of equations can be used, where h represents the number of calories in a hamburger and f represents the number of calories in an order of fries. The equation <span> 2</span> h plus 3 f equals 1,700 represents the fact that 2 hamburgers and 3 orders of fries contain a total of 1700 calories, and the equation  h<span> equals f plus 50</span> represents the fact that one hamburger contains 50 more calories than an order of fries. Substituting  f plus 50 for h in  2 h plus 3 f equals 1,700 gives  <span>2, parenthesis, f plus 50, close parenthesis, plus 3</span> f, equals 1,700. This equation can be solved as follows:

 

 2 f plus 100 plus 3 f equals 1,700

 5 f plus 100 equals 1,700

 5 f equals 1,600

 f equals 320



<span>The number of calories in an order of fries is 320, so the number of calories in a hamburger is 50 more than 320, or 370.</span>

6 0
3 years ago
100 points! Will mark brainliest! Only answer if u know it!
Svetlanka [38]

Step-by-step explanation:

Hey there!

The 1st equation is;

y= 1/2 x-8.............(i)

Comparing the equation y= mx+c. We get;

Slope (m1) = 1/2

The equation of point which moves through point (-3,-4).

(y-y1) = m2 (x-x1). {Use one-point formula to find out the equation}

(y+4) = m2 (x+3)..………(ii)

Now, we need to find m2.

So, the condition of perpendicular lines: m1*m2= -1.

\frac{1}{2}  \times m2 =  - 1

m2 =  - 2

Therefore, m2 = -2.

So, let's keep value of m2 in eqaution (ii).

y+4 = -2(X+3)

y+4 = -2x-6

y = -2x -10.

Therefore, the eqaution is y= -2x-10.

<em><u>Hope</u></em><em><u> it</u></em><em><u> helps</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em>

4 0
3 years ago
Read 2 more answers
A random sample of n people selected from a large population will be asked whether they have read a novel in the past year. Let
Arisa [49]

Answer:

Option 2) A binomial variable with 25 independent trials                  

Step-by-step explanation:

We are given the following in the question:

Sample size = n

R: the number of people from the sample who answer yes to the question whether they have read a novel in the past year.

var(R) = 6

p =0.40

Then, the random variable R follows a binomial distribution:

  • There are n independent trials.
  • Each trial have two results either they have read the book or they have not read the book
  • Probability of success for each trial is same.

var(R) = npq\\6 = n(0.4)(1-0.4)\\\\n = \dfrac{6}{0.4\times 0.6}\\\\n = 25

Thus, R is a binomial variable with 25 independent trials.

6 0
4 years ago
Factorize the following:<br> 9{p-q}²-25{q-r}²
Gekata [30.6K]
My answer is in the picture

5 0
2 years ago
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