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Nataly [62]
3 years ago
7

Don’t understand. I’ve tried to do it and I need some help please.

Mathematics
2 answers:
Novay_Z [31]3 years ago
8 0
You need to use trigonometry
1. Tan37=x/2.1
1.58=x
Irina18 [472]3 years ago
7 0
Remark
It is a calculator problem. All you have to do is make sure your calculator is set to degrees. 

Definition
The Tangent is defined as

Tan(A) = opposite side / adjacent Side

Givens
A = 37°
adjacent = 2.1
opposite = ???

Sub and solve
Tan (37) = 0.75335
0.75335 = x / 2.1 Multiply both sides by 2.1
2.1 * 0.75335 = x
x = 1.58246  <<<<< answer

NOTE NOTE NOTE NOTE NOTE: NO DECIMAL. 
If there is no decimal between the 2 and the 1 in 2.1 then the answer is
15.246 No Decimal <<<<< ANSWER.
 
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Your class is selling boxes of flower seeds as a fundraiser. The total profit p depends on the amount x that your class charges
Slav-nsk [51]

Answer:

$ 22.6

Step-by-step explanation:

Given that

Price charged for each box of seeds = x

Profit gained from from selling boxes of seeds = p

The equation of profit is modeled as

P(x) = 0.5x² + 36x - 179

As per given information if the fundraisers make a profit of  $379 then find the minimum price charged for each box of seed.

Now our above equation becomes

379 = -0.5x² + 36x - 179

Simplifying

379+179 = -0.5x² + 36x

558 = -0.5x² + 36x

0.5x² - 36x + 558 =0

multipying both sides of equation by 2

2(0.5x² - 36x + 558) = 2x0

x² - 72x +1116 = 0

Using quadratic formula we get the following factors

x= 49.4 or x= 22.60

As we can the smalles value is 22.6

So, they can charge 22.6 dollar for each bag of seeds in order to get profit of 379 dollars.



8 0
3 years ago
Read 2 more answers
Find the circumference or distance around a circus ring (circle) with a diameter of 100 feel. Use 3.14 for pi
Brums [2.3K]

Use Formula C= pi(d) so that would be 3.14 x 100 = 314

7 0
2 years ago
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Find the smaller of 2 consecutive intergers, x, if the sum of the smaller and 6 times the larger is -29. Write an equation to de
Irina18 [472]

Answer:

x = -5 and x+1( consecutive integer) = -4

obviously x is smaller than the next integer

Step-by-step explanation:

Let the first integer be x

hence the consecutive integer is x +1

according to the give condition

x + 6(x + 1) = -29

x + 6x + 6 = -29

7x = -29 -6

7 x = -35

x = -35/7

x = -5

x + 1 = -5 + 1 = -4

GOOD LUCK FOR THE FUTURE! : )

8 0
2 years ago
Jen and Maria have dance class at 3:45 . Write the time two different ways. Is it am or pm ? Explain
jonny [76]
Dance class is at 3:45pm, because the dance studio would not be open that early.
6 0
3 years ago
Read 2 more answers
Answer in factored form x^2+11x+7
KATRIN_1 [288]
X² <span>+ 11x + 7

because 7 is a prime number, this doesn't factor prettily. you'll want to use the quadratic formula; if you aren't familiar with it, i'd either research it or look it up in your textbook, because it's clunky and not easily understood in this format:

(-b </span>± √((b)² - 4ac))/(2a)

in your equation x² + 11x + 7 ... a = 1, b = 11, and c = 7. what you do is you take the coefficients of every term, then plug it into your equation:
(-11 ± √((11)² - 4(1)(7))/(2(1))

not pretty, i know. but, regardless, you can simplify it:
(-11 ± √((11)² - 4(1)(7))/(2(1))
(-11 ± √(121 - 28))/2
(-11 ± √93)/2

and you can't simplify it further. -11 isn't divisible by 2, and 93 doesn't have a perfect square that you can take out from beneath the radical. the ± plus/minus symbol indicates that you have 2 answers, so you can write them out separately:

(x - (-11 - √93)/2) and (x + (-11 - √93)/2)

they look confusing, but those are your two factors. they can be simplified just slightly by changing the signs in the middle due to the -11:

(x + (11 + √93)/2) (x - (11 - √93)/2)

and how these would read, just in case the formatting is too confusing for you: x plus the fraction 11 + root 93 divided by 2. the 11s and root 93s are your numerator, 2s are your denominator.
7 0
3 years ago
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