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kramer
3 years ago
7

4cos(x) = 3 solve this

Mathematics
1 answer:
katen-ka-za [31]3 years ago
6 0

Answer:

41.4 degrees

Step-by-step explanation:

Find cos x by dividing both sides of this equation by 4:

cos x = 3/4 = 0.75

Using a calculator's inverse cosine function, find x:

arccos 0.75 = 0.723 radian, or

0.723 rad     180 deg

--------------- * ------------- = 41.4 degrees

        1             pi rad

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Blain exchanges $100 for yen before going to Japan. If each U.S. dollar is worth 88.353 yen, how many yen should Blain receive?
Tcecarenko [31]
To figure out how many yen all ya have to do is multiply 88.353 by 100 to get the answer 8835.3 yen.
5 0
3 years ago
Read 2 more answers
ABC is an isosceles triangle in which ab and ac are equal if d is a the midpoint of BC prove that ABD=ADC​
jeka94

Answer:

Step-by-step explanation:

Given that,

ABC is an Isosceles triangle.

In an Isosceles triangle the opposite sides ( AB =AC) are equal; Their base angles ( < ABD = < ACD) are also equal to each other.

It is als given that D is the mid point of BC.

i.e., BD = CD

Therefore,

By SAS theorem of congruency of triangles,

ABD = ACD

If this is the answer required, hope it helps...

4 0
3 years ago
Pittsburgh International airport had approximately 714,587 passengers in august 2009. write a number that is greater than 714,58
OLga [1]

Answer:

800,000

Step-by-step explanation:

8 0
3 years ago
two warehouse employees need to move microwave ovens and television that weigh 45 pounds and 85 pounds, respectively, using a fr
Zinaida [17]

The maximum number of microwave ovens the two employees can take on the elevator is 7.

<h3>How to find the maximum number of microwave ovens the two employees can take on the elevator?</h3>

To solve the question, we have to find the simple equation showing the relationship between all the weights an the maximum weight the elevator can carry

Let

  • x = number of microwave ovens

Since the micro wave weighs 45 pounds, the total weight of microwave ovens is W = 45x.

Also, there are 20 televisions on the elevator. If each television weighs 85 pounds, the total weight of televisions is W' = 20 × 85 = 1700 pounds

Also, the weight of the equipment and the two employees is W" = 400 pounds.

Since the maximum weight on the elevator is 2400 pounds, we have that the required simple equation is

W + W' + W" = 2400

45x + 1700 + 400 = 2400

45x + 2100 = 2400

45x = 2400 - 2100

45x = 300

x = 300/45

x = 6.67

x ≅ 7

So, the maximum number of microwave ovens the two employees can take on the elevator is 7.

Learn more about simple equation here:

brainly.com/question/26184005

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7 0
2 years ago
Multiply. What is the value of the second partial product 27x108
jeyben [28]
<h2>Answer:</h2><h2>The  partial products of (27) (108) are 216 , 0 , 27.</h2>

Step-by-step explanation:

To find the value of the second partial product 27x108,

Here the multiplicand = 27

The multiplier = 108

The partial products of the multiplication are :

(27) (8)   =  0 2 1 6

(27) (0)   =  0 0 0

(27) (1)    =  2 7

Adding the terms, we get 2916.

The partial products are 216 , 0 , 27.

5 0
3 years ago
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