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adoni [48]
3 years ago
12

Ms. Marigneaux's science class needs to

Mathematics
1 answer:
sertanlavr [38]3 years ago
6 0

If there are 29 students in class and they need to collect a total of 168, we can divide 168 by 29 to get $5.79. This means that each student must collect $5.79 in order for them to be able to purchase everything.

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Evaluate the expression.<br><br> 1.2 + 0.8 ÷ 4 – 3(0.7 – 0.81)
Alex_Xolod [135]

Answer:

 173            

 ——— = 1.73000  

 100          

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
If y varies jointly as x and the cube of z and y=16 when x=4 and z=2 then y=0.5 when x=-8 and z=-3
KonstantinChe [14]

Answer:

k = 1/2

y = -108

Step-by-step explanation:

y varies jointly as x and the cube of z

y =kxz^3

We know y=16 when x=4 and z=2  so we can determine k

16 = k (4) 2^3

16 = k*4*8

16 = 32k

Divide each side by 32

16/32 = 32k/32

1/2 = k

y = 1/2 xz^3

Now y=? when x=-8 and z=-3

y = 1/2 * 8 (-3)^3

y = (1/2) *8 (-27)

y =4 (-27)

y = -108

6 0
4 years ago
Read 2 more answers
Determine where the given function is concave up and where it is concave down.
valentina_108 [34]

Answer:

concave up

Step-by-step explanation:

there is no negatives in the equation (in front of x-value)

4 0
2 years ago
I need help on this ASAP.
Sliva [168]

The seattle great wheel is an illustration of sectors, arcs, circumference and area of circles

<h3>The circumference of the wheel</h3>

The diameter is given as:

d = 175 feet

The circumference (C) is calculated as:

C = πd

This gives

C = 3.14 * 175

C = 549.5 feet

Hence, the circumference of the wheel is 549.5 feet

<h3>The area of the wheel</h3>

This is calculated as:

A = π(d/2)^2

This gives

A = 3.14 * (175/2)^2

A = 24040.625

Hence, the area of the wheel is 24040.625 square feet

<h3>The central angle (degrees)</h3>

This is calculated as:

θ = 360/n

Where n is the number of capsules

So, we have:

θ = 360/42

This gives

θ = 8.57 degrees

Hence, the central angle of the wheel in degrees is 8.57

<h3>The central angle (radians)</h3>

This is calculated as:

Radians = Degrees × π/180

So, we have:

θ = 360/42 * π/180

This gives

θ = π/21 rad

Hence, the central angle of the wheel in radians is π/21 rad

<h3>Arc length between two capsules</h3>

This is calculated as:

L = θ * d/2

So, we have:

L = π/21 * 175/2

This gives

L = 175π/42

Hence, the arc length between two capsules is 175π/42

<h3>Area of sector between two capsules</h3>

This is calculated as:

A = 0.5 * (d/2)^2 * θ

So, we have:

A = 0.5 * (175/2)^2 * π/21

This gives

A = 168π

Hence, the area of sector between two capsules is 168π

Read more about sector areas and arc lengths at:

brainly.com/question/4115882

8 0
2 years ago
Segment AB with endpoints at A(2, 4) and B(2, 18) is partitioned by point P according to the ratio of 3:4. Find the coordinate o
natta225 [31]

Using proportions, it is found that the coordinates of point P are given as follows: (2,10).

<h3>What is a proportion?</h3>

A proportion is a fraction of a total amount, and the measures are related using a rule of three.

The segment is partitioned by point P according to the ratio of 3:4, hence:

P - A = \frac{3}{7}(B - A)

This proportion is applied for both coordinates, hence, for the x-coordinate:

x - 2 = \frac{3}{7}(2 - 2)

x - 2 = 0

x = 2.

For the y-coordinate:

y - 4 = \frac{3}{7}(18 - 4)

y - 4 = 6

y = 10.

Hence the coordinates are (2,10).

More can be learned about proportions at brainly.com/question/24372153

#SPJ1

4 0
2 years ago
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