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4 years ago

3x-1/4<8 Solve and graph

Mathematics

1 answer:

Alik [6]4 years ago

6 0

Answer:

$\large\boxed{x$

Step-by-step explanation:

$3x-\dfrac{1}{4}$

<, > - open circle

≤, ≥ - closed circle

<, ≤ - draw the line to the left

>, ≥ - draw the line to the right

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In how many ways can a designer chose from 3 summer dresses,2 purses, a hat, 3 scarfs, 2 belts if she chooses one of each?

butalik [34]

Answer:

I'm pretty sure it's 32

Step-by-step explanation:

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3 years ago

If x^2=40, what is the value of x?

Ainat [17]

if x^2=40 you would need to square root both sides to get x alone therefore x=6.3

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3 years ago

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the angle of elevation of the top of a tower from a point 42m away from the base on level ground is 36 find the height of the to

Tcecarenko [31]

Answer:

30.51 meters

Step-by-step explanation:

Given that:

The distance from the point to the base of the tower = 42 m, the angle of elevation = 36°.

According to sine rule if a,b,c are the sides of a triangle and its respective opposite angles are A, B, C. Therefore:

$\frac{a}{sin(A)} =\frac{b}{sin(B)}=\frac{c}{sin(C)}$

Let the height of the tower be a and the angle opposite the height be A = angle of elevation = 36°

Also let the distance from the point to the base of the tower be b = 42 m, and the angle opposite the base of the tower be B

To find B, since the angle between the height of the tower and the base is 90°, we use:

B + 36° + 90° = 180° (sum of angles in a triangle)

B + 126 = 180

B = 180 - 126

B = 54°

Therefore using sine rule:

$\frac{a}{sin(A)} =\frac{b}{sin(B)}\\\\\frac{a}{sin(36)}=\frac{42}{sin(54)}\\\\ a=\frac{42*sin(36)}{sin(54)}\\ \\a=30.51\ meters$

The height of the tower is 30.51 meters

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3 years ago

How much, in total, did Noel spend to cash her three most recent paychecks?

Stolb23 [73]

Based on the amount that Noel cashed in each of her most recent paychecks, the amount she spent in total is $10.99.

<h3>How much did Noel spend?</h3>

The bank directory shows that you are charged 1.99% of the amount being cashed as well as a check processing fee of $1.39.

The amount Noel spent is therefore:

= (1.99% x 100.53) + (1.99% x 119.38) + (1.99% x 122.52) + (1.39 x 3 checks)

= 2.00 + 2.38 + 2.44 + 4.17

= $10.99

Find out more on bank charges at brainly.com/question/26494219.

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2 years ago

The table represents a linear function. what is the slope of the function?

Gelneren [198K]

Answer:

-4

Step-by-step explanation:

Pick any two points and use the slope function

m = (y2-y1)/(x2-x1)

m = ( -26 - -2)/(2 - -4)

= (-26+2)/(2+4)

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3 years ago

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