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murzikaleks [220]
2 years ago
15

ASAP MARK BRAINLIEST!! ALL PROBLEMS PLS SHOW WORK THX

Mathematics
1 answer:
damaskus [11]2 years ago
5 0

Answer:

1.  42.0 meters

2. 16.8

3.  2.3

4.  24.7

5. a. 42.4  b. 10.7

6.4.01

Step-by-step explanation:

1.    so by using soh cah toa: tan40 = x/50

multiply both sides by 50 :  (tan40)50=x

simplify: 42.0m

2. same concept but different values:  tan35=x/24

multiply 24 to both sides: (tan35)24=x

simplify : 16.8m

3. tano^-1 = 20/100

multiply both sides by tan^-1: the angle = tan^-1 (20/100)

Simplify: 2.3 degrees

4. cos o^-1 = 4.6/10

multiply both sides by cos^-1: the angle= cos^-1 (4.6/10)

simplify: 24.7

5. a. tan23= x/100

multiply 100 to both sides: x= 100(tan23)

simplify :42.4

b. you have to find the total height of the building with the antenna and then subtract the height of the building that you found in part a.

tan28=x/100

multiply 100 to both sides : (tan28)100=x

simplify 53.1

subtract the answer to part from 53.1:

53.1-42.4=10.7

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otez555 [7]

The statement is totally false.

\neg P\lor\neg Q \equiv \neg(P \land Q) \not\equiv P\land Q

because (P and ¬P) is a contradiction.

4 0
2 years ago
-4a+14+7a-9<br> will give 88 points in first 10 minutes
TEA [102]

Answer:

3a+5

Step-by-step explanation:

add-4a and 7a

3a+14-9

subtract 9 from 14

3a+5

4 0
2 years ago
How do you solve?<br>Evaluate a + b for a = 34 and b = negative 6.
Darina [25.2K]
A+b
34+(-6)
34-6
28
I think I did this write
4 0
3 years ago
Insert &lt;,&gt;,or = to make the following sentence true. square root of 17 and 4
JulijaS [17]

we can insert > to make the following sentence true that is \sqrt{17} > 4

we have to solve the following sentence

\sqrt{17} --- 4     ( insert <,>, = to make the following sentence true)

what is square root ?

The square root of a number is the factor that we can multiply by itself to get that number. The symbol for square root is  \sqrt{} .

we know that

square root of 17 is 4.12310563

which is 4+ 0.12310563

that is if we add 4+0.12310563 we get 4.12310563

therefore square root of 17 is greater than 4

that is \sqrt{17} > 4  

since 4.12310563 > 4

hence,   we can insert > to make the following sentence true that is \sqrt{17} > 4

learn more about of square root here

brainly.com/question/1387049

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6 0
1 year ago
The accompanying data are the caloric contents and the sugar contents (in grams) of 11 high-fiber breakfast cereals. Find the eq
Slav-nsk [51]

The regression equation based on the information given about the sugar contents will be 0.18x - 20.84.

<h3>How to explain the regression?</h3>

It should be noted that from the information, the accompanying data are the caloric contents and the sugar contents of 11 high-fiber breakfast cereals.

The sugar content will be:

a. 160 calories

= 0.18x - 20.84.

= 0.18(160) - 20.84

= 7.96

b. 90 calories

= 0.18x - 20.84.

= 0.18(90) - 20.84

= -4.64

c. 175 calories

= 0.18x - 20.84.

= 0.18(175) - 20.84

= 10.66

d. 208 calories

= 0.18x - 20.84.

= 0.18(208) - 20.84

= 16.6

Therefore, the sugar contents is illustrated above.

Learn more about regression on:

brainly.com/question/25987747

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8 0
1 year ago
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