3 years ago

Can anyone help me with this maths problem?

Mathematics

1 answer:

AleksandrR [38]3 years ago

4 0

There is a 1/3 probability that she will pick an adult.

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A bike repair shop charges $15.40 for parts plus $8.50 for labor to fix Jessica's bike. a) How much would Jessica pay for 2.5 ho

Alika [10]

15.40 + 8.50l (l is variable for labor)
8.50 x 2.5 = 21.25
15.40 + 21.25 = 36.65.
That is the answer for A.

504.20 - 15.40 = 488.80
488.80 / 8.50 = 57.50
About 57.50 hours for B.

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3 years ago

Two angles are _____ if and only if the sum of their measures is 180 ��.

ElenaW [278]

The first question's answer is adjacent angles. The second question's answer is 45

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4 years ago

If the Leaning Tower of Pisa has a height of 55 meters, radius of 8 meters, what is the volume?

oee [108]

C

V(cylinder) = PR(squared)H

8 squared is 64pi

times 55 is 3520

6 0

3 years ago

Read 2 more answers

) If the gradient of ff is ∇f=xi⃗ +yj⃗ +3zyk⃗ ∇f=xi→+yj→+3zyk→ and the point P=(−6,−6,−2)P=(−6,−6,−2) lies on the level surface

Paha777 [63]

Answer:

-3x-3y-z=38

Step-by-step explanation:

To find the equation of the tangent plane you can use

$\bigtriangledown f_x(x_0,y_0,z_0)(x-x_0)+\bigtriangledown f_y(x_0,y_0,z_0)(y-y_0)+\bigtriangledown f_z(x_0,y_0,z_0)(z-z_0)=0$

the point P is (-6,-6,-2). Hence you have

$(-6)(x-(-6))+(-6)(y-(-6))+(-2)(z-(-2))=0\\-6x-36-6y-36-2z-4=0\\-6x-6y-2z=76\\-3x-3y-z=38$

hope this helps!!

5 0

3 years ago

The measure of angle 1 is 27 degrees. Complement: Supplement:

Paladinen [302]

Answer:

Complement: 63°

Supplement: 153°

Step-by-step explanation:

NOTE: Supplementary angles are two angles that have a sum of 180°. Complementary angles are two angles that have a sum of 90°.

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Thank u

3 0

3 years ago