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wariber [46]
2 years ago
13

Step by step Help plz

Mathematics
1 answer:
Vesnalui [34]2 years ago
7 0

The end is cut off. Cant answer it srrrryyyyy

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On a scale drawing 1cm represents 4 m.What length on the drawing would be used to represent 6.5 m
Annette [7]

Answer:

1.6cm

Step-by-step explanation:

1cm=4m

      =6.5m

6.5÷4=1.625 round it off to the nearest tenths=1.6

8 0
3 years ago
What is the product of (4a-6)(3a-8)
shusha [124]

use FOIL (first, outside, inside last)

4a * 3a = 12a²

4a * -8 = -32a

-6 * 3a = -18a

-6 * -8 = 48

-12a² - 32a - 18a + 48

combine like-terms: -12a² -50a + 48

8 0
3 years ago
PLEASE HELP I MIGHT FAIL MATH. For a charity event, raffle tickets are printed such that they have a vowel (excluding y) as the
Radda [10]

Answer:

Step-by-step explanation:

Remark

You better be issuing  a very small number of tickets.

Tickets vowels: a e i o u

Primes < 10: 2 3 5 7

Probability(e and 5) = 1/5 * 1/4 = 1/20

Answer: 1/20

Answer:0.05

You should probabily give 0.05 as your answer.

8 0
2 years ago
What does x/4=3/2 equal?
MrRissso [65]
x/4 = 3/2
x/2 = 3 (multiply both sides by 2)
x = 6 (multiply both sides by 2)
Therefore 6/4 = 3/2
6 0
3 years ago
The angle θ lies in Quadrant II. sinθ=3/4 What is cosθ ?
Elden [556K]

Hello from MrBillDoesMath

Answer:

[email protected] = - sqrt(7)/ 4    

which is choice B

Discussion:

This problem can be solved by drawing triangles and looking at ratios of sides or by using the trig identity:

([email protected])^2 + (sin2)^2 = 1

If [email protected] = 3/4 , the

([email protected])^2 + (3/4)^2 = 1 =>              (subtract (3/4)^2 from both sides)

([email protected])^2 = 1 - (3/4)^2  = 1 - 9/16   = 7/16

So...... taking the square root of both sides gives

[email protected] =  +\- sqrt(7)/ sqrt(16) = +\- sqrt(7)/4

But is [email protected] positive or negative?  We are told that @ is in the second quadrant and cos(@) is negative in this quadrant, so our answer must be negative

[email protected] = - sqrt(7)/ 4    

which is choice B


Thank you,

Mr. B


4 0
3 years ago
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