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3 years ago

Please Help will Give brainlist.

Mathematics

2 answers:

Simora [160]3 years ago

7 0

Answer:

Constant: 4 i think because you can divide 20 by 4 to get 5 and 24 by 4 to get 6. So then probably the equation: is y=4x BUT DON'T PAY ATTENTION TO ME I GOT A B+ IN MATH:)

poizon [28]3 years ago

5 0

Constant of proportionality is 4

equation: x/y = 4

explanation:
let's take 20 and 5 for example, if you divide 20 by 5, you will 4 of course. that's the proportionality for the first one. if you continue to divide x value by y value you will get 4. for the last two you would divide 28 by 4 and multiply 8 by 4.

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Y is directly proportional to x. when y=30, x=6. A) work out an equation connecting y and x. B) work out what the value of y whe

Arturiano [62]

Answer:A)Y =k x

Y =5x

B.Y=60

Step-by-step explanation:

Given that Y is directly proportional to x

mathematically , it Is represented as

Y ∝ x

Introducing the constant of proportionality, k. we have that

Y =k x

Now when y=30, x=6, k becomes

30=k 6

k=30/6=5

we now have the equation connecting them as

Y =5x

B) Now when x=12, y becomes

Y =5x

Y =5 X 12

Y=60

4 0

3 years ago

Solve the equation show your work <br><br> 5d=17.1

Svet_ta [14]

Answer:

3.42

Step-by-step explanation:

Divide 17.1 by 5. Simple

5 0

3 years ago

Read 2 more answers

Help me pls

Ronch [10]

Answer:

$6 \times 3 + 4 = n \\ 18 + 4 = n \\ 22 = n$

this is 14)

and 15)

n=36+16

n=52

7 0

2 years ago

The average attendance at school for 5 days was 264. If the attendance on the 5th day was 256, calculate the average attendance

Tema [17]

Answer:

266

Step-by-step explanation:

Let the attendence of 5days be a,b,c,d,e

given,

(a+b+c+d+e)/5=264

a+b+c+d+256=264*5 [since 5th day=256]

(a+b+c+d+)/4=1(320-256)/4 [dividing both side by 4]

average attendence of 4 days =266

5 0

3 years ago

How do I find the sum of this series?<br>Question D

raketka [301]

Sum of an infinite geometric sequence with the common ratio r, and the first term a1 is $\frac{a_1}{1-r}$

we notice
-2 times -1/4=1/2,
1/2 times -1/4=-1/8
so a1=-2
r=-1/4 or -0.25

so the sum is
$\frac{-2}{1-(-0.25)}$ =
$\frac{-2}{1+0.25}$ =
$\frac{-2}{1.25}$ =
$\frac{-8}{5}$ =
the sum is -8/5 or -1.6

8 0

4 years ago