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ohaa [14]
3 years ago
14

HELP ME PLEASE IM SO FRSTRATED

Mathematics
1 answer:
miv72 [106K]3 years ago
3 0

Answer:

x = 13.3

Step-by-step explanation:

Use the cosine law:

x^2 = (8)^2 + (18)^2 -2(8)(18)cos43

= 64 + 324 - 288cos43

= 177.3

x = 13.3

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0.123.09 + 0.098 + 1.25 + 57=Please answer
Georgia [21]

Answer:

<h2>58.561</h2>

Step-by-step explanation:

The question is not properly formatted, here is a correct format

0.123+0.09 + 0.098 + 1.25 + 57

This is an addition problem, given the numbers to be added

0.123+0.09 + 0.098 + 1.25 + 57

58.561

the answer to the sum of the numbers 0.123+0.09 + 0.098 + 1.25 + 57 is

58.561

5 0
3 years ago
 student found the slope of a line that passes through the points (1, 14)and (3, 4) to be 5. What mistake did she make?
vladimir2022 [97]
Y2-y1/x2-x1
(1,14) & (3,4)
y2= 4
y1=14
x2=3
x1=1

So....

(4-14)/(3-1) = -10/2 = -5

The answer should be negative instead of positive, she probably subtracted 4 from 14 instead.
5 0
3 years ago
Joey built a model sailboat that is similar to his real sailboat. The triangular sail on
lord [1]

Answer:

31.25

Step-by-step explanation:

25/12=2.083333

15 x 2.0833333=31.24999999995

round up to get 31.25

3 0
3 years ago
Six more than the product of a number and 3 is 7. Use the variable x for the unknown number.
frez [133]

Answer:

my x = ⅓

Step-by-step explanation:

6 + 3x = 7 \\ 3x = 7 - 6 \\ 3x = 1 \\ x =  \frac{1}{3}

4 0
3 years ago
PLEASE HELP ME. I know I ask a lot, but I don’t know what I should come up with
Artemon [7]

Answer:

equation :

1. b + 5 = 3

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3. 10b = -20

1. b = 3 - 5 = - 2

2. 3b/3 = - 6/3 = - 2

3. 10b / 10 = - 20 / 10 = - 2

5 0
3 years ago
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