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Serjik [45]
3 years ago
12

Which ordered pair is a solution to the system of linear equations -4x+y=8 and x-5y=17 ?

Mathematics
1 answer:
Nastasia [14]3 years ago
6 0

Answer:

(-3,-4)

Step-by-step explanation:

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A team from each school had 250 foam balls and a bucket. The Jackson team dunked 6 fewer balls than the Pine Street team. The Pi
lara [203]
478 because the pine dunked all but 8 so 250-8=242 then Jackson dunked 6 fewer so 242-6=236 then all together 242+236=478
4 0
4 years ago
Franklin walked 1/2 mile in 8 1/2 minutes. What is the unit rate in miles per minute ?
Alexus [3.1K]

.0588 miles per minute

Step-by-step explanation:

0.5/8.5 = ~.0588

8 0
3 years ago
Find the centroid of the region bounded by y = 3x^2, y = 0, x = 4
ANTONII [103]
To determine the centroid, we use the equations:

x⁻ = 1/A (∫ (x dA)) 
y⁻ = 1/A (∫ (y dA)) 

First, we evaluate the value of A and dA as follows:

A = ∫dA
A = ∫ydx
A = ∫3x^2 dx
A = 3x^3 / 3 from 0 to 4
A = x^3  from 0 to 4
A = 64

We use the equations for the centroid,
x⁻ = 1/A (∫ (x dA)) 
x⁻ =  1/64 (∫ (x (3x^2 dx))) 
x⁻ =  1/64 (∫ (3x^3 dx)
x⁻ =  1/64 (3 x^4 / 4) from 0 to 4
x⁻ =  1/64 (192) = 3

y⁻ = 1/A (∫ (y dA)) 
y⁻ = 1/64 (∫ (3x^2 (3x^2 dx))) 
y⁻ = 1/64 (∫ (9x^4 dx) 
y⁻ = 1/64 (9x^5 / 5) from 0 to 4
y⁻ = 1/64 (9216/5) = 144/5

The centroid of the curve is found at (3, 144/5).
7 0
3 years ago
How do you work 85 - 10 ÷ 2 + 3
nata0808 [166]
The answer is 83. First divide 10 by 2, which is 5 for a remaining 85-5+3. 85 - 5 is 80 and 80 + 3 is 83.
5 0
3 years ago
Virgil has 1/6 of a birthday cake left over. He wants to share the leftover cake with 3 friends. What fraction of the original c
klemol [59]

Answer:

Each of the 4 people will get 1/24 of the original cake

Step-by-step explanation:

The fractional part of cake left out is 1/6

This remaining cake is to be divided among four people.

Thus, each person will get

fractional part of cake left/total number of people

i.e 1/6/4

= 1/24

Each of the 4 people will get 1/24 of the original cake

3 0
3 years ago
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