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Akimi4 [234]
3 years ago
14

Please help!! Maths question I don't understand!

Mathematics
1 answer:
djverab [1.8K]3 years ago
4 0

Answer:

see explanation

Step-by-step explanation:

The statements tells us that w is inversely proportional to v and the equation relating them is

v = \frac{k}{w} ← k is the constant of proportion

To find k use the condition v = 9, w = 5, that is

9 = \frac{k}{5} ( multiply both sides by 5 )

45 = k

v = \frac{45}{w} ← equation of proportion

When w = 4 , then

v = \frac{45}{4} = 11.25

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State all possible names for the figure part 3​
qwelly [4]

Answer:

quadrilateral,parallelogram

Step-by-step explanation:

A quadrilateral is a four-sided polygon.

A parallelogram is a quadrilateral with two sets of parallel sides, much like a rectangle, but with no right angles.

7 0
3 years ago
7.
erma4kov [3.2K]
The answer is 365 don’t listen to me
8 0
3 years ago
12ad3<br> and which term are like terms?<br><br> 15a3d<br><br> 10ad<br><br> 12d3<br><br> 3ad3
Savatey [412]

Answer: 3ad^3


Step-by-step explanation:

Given term: 12ad^3

<em>In algebra, like terms are the terms which have the same variables with same powers. </em>

Here the variables are a and d, where d has power 3.

From the given options 3ad^3 is the right answers as it has the same variables and power.

Rest of other options are unlike terms to the given term.

7 0
3 years ago
Read 2 more answers
Please help!! Question is in the picture
weeeeeb [17]

Answer: (5,8)

Step-by-step explanation:

So this is a matter of using a system of linear equations

To start if a total of 13 people got a ticket then we know that

x+y=13

x and y being explained in the problem

then if adult tickets are $40 and children tickets are $20 and the total cost is 360 we can set up the next equation

40x+20y=360

<em>If you were to plug in 1 lets say into x that means that 1 person bought a ticket for $40 this shown by 40 (1) this is the same premise for the childrens tickets.</em>

now we have

x+y=13

40x+20y=360

now we can solve by eliminating one of the variables this is done by either getting rid of the x or y and solving for the other. I solved for the y value first this looks like

-40(x+y=13)

40x+20y=360

Distribute the -40 to each value

giving you

-40x-40y=-520

40x+20y=360

add these together from the top down

the x's cancel leaving

-20y=-160

then isolate the y value by dividing both sides by -20

-20y/-20=-160/-20

leaving you with your y point

y=8

This is how many childrens rickets were sold now we can plug into the first linear equation

x+8=13

now easy subtration to isolate the x point

x+8-8=13-8

x=5

Finally leaving you with point (5,8)

4 0
3 years ago
Read 2 more answers
A submarine started the day at 1200 feet below sea level. The submarine rose 60 feet per hour during a 3-hour
Blababa [14]

Answer:

1,200 +3(60)

Step-by-step explanation:

1200 is where they started so every three hour period the submarine rises 60 ft per hour. So you multiply it by this and then 60. Positive because you are rising, and not going down.

5 0
3 years ago
Read 2 more answers
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