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kakasveta [241]
3 years ago
13

PLS HELP ME NOW THERE DIFFERENT QUESTIONS

Mathematics
1 answer:
OlgaM077 [116]3 years ago
6 0
I think the answer is d
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8. It takes Olivia 3 | yards of ribbon
Leokris [45]

Answer:

21 yards

Step-by-step explanation:

3 yards for 1 mum

3*7 yards for 7 mums

21 yards for 7 mums

I don't know if this is what you mean but here have this

7 0
3 years ago
Part A
Nat2105 [25]

Answer:

A.  f(n) =0.2n+4.8

B. The y intercept is 4.8

Step-by-step explanation:

Given

a_n= 5 + 0.2(n-1)

Solving (a): Write as a function.

To do this, we simply substitute f(n) for a_n

a_n= 5 + 0.2(n-1) becomes

f(n)= 5 + 0.2(n-1)

Open Bracket

f(n) = 5 + 0.2n-0.2

Collect Like Terms

f(n) =0.2n-0.2 + 5

f(n) =0.2n+4.8

B. The y intercept.

To get the y intercept, we set n to 0

i.e

f(0) =0.2 * 0+4.8

f(0) =0+4.8

f(0) =4.8

Hence, the y intercept is 4.8

4 0
2 years ago
immy is making a rectangular sandbox in his backyard for his son. Jimmy will be using wood to frame the sides of the sandbox. He
MAVERICK [17]
15 foot wide
i hope this healped ;)

6 0
3 years ago
Read 2 more answers
Consider the equation 5/3v +4 + 1/3v = 8. What is the resulting equation after the first step in the equation?
Fed [463]
I hope this helps you



5+1/3v=8-4



6/3v=4



2/v=4



v=2/4


v=1/2
4 0
3 years ago
Y Varies directly as X and inversely as Z. Y=100 when X=5 and Z=10 Find Y when X=3 and Z=60
Law Incorporation [45]

Answer:

y = 10

Step-by-step explanation:

based on the question if y  varries directly as x

mathematically

y ∝ x

also, y varries inversly as z can be mathematically expressed as

y ∝ 1/z

combining the two expressions

y ∝ x ∝ 1/z

i. e

y = kx/z..... where k is the constant of proportionality

make  k the subject of formulae

yz = kx

Divide both sides by x

k =yz/x

when y=100 , x = 5 z =10

k = 100 × 10/5

k = 200

to find y when x = 3 and z = 60

<h3>from the equation connecting x,y,z</h3>

k =yz/x

200 =60y/3

cross multiply

60y = 200 × 3

60y = 600

divide both sides by 60

y = 10

5 0
3 years ago
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