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Whitepunk [10]
3 years ago
10

Can u help with question 18

Mathematics
1 answer:
Anestetic [448]3 years ago
6 0
AD is 17 using the Pythagorean Theron
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I need to know what m n and q are equal to
VMariaS [17]
I know m=2.25 and n=8.6 but I don't know about q.
3 0
3 years ago
I need help with this is 8th grade math
Tresset [83]

Answer:

5 hours

Step-by-step explanation:

Mark recieves 3mg per hour. This can be rewritten as y=3x. Cassie recieves 2x+5. To solve, use substitiution. 3x=2x+5. To solve, subtract "2x" from "3x." You then get x=5.

5 0
2 years ago
Read 2 more answers
A certain shade of pink us created by adding 3 cups of red paint to 7 cups of white paint
Ipatiy [6.2K]

Answer:

A certain shade of pink us created by adding 3 cups of red paint to 7 cups of white paint

Step-by-step explanation:

Constant of proportionality is the constant value of the ratio of two proportional quantities x and y; usually written y = kx, where k is the factor of proportionality.

To make color pink,

for every 3 cups of red , we need 7 cups of white.

Let 'r' be the cups of red required

let 'w' be the cups of white required

so , as per the question

for 3 r we need = 7 w

r = 7/3 w

so, 7/3 is constant of proportionality

4 0
3 years ago
Factorise x squared - 4x
mario62 [17]
X^2= (x-2[root of x])(x+2[root of x])
4 0
3 years ago
Read 2 more answers
Simplify to standard form<br> (2x +4) + (-7 – 3b) + (5 – 8x)
docker41 [41]

Answer:

−3b−6x+2

Step-by-step explanation:

2x+4−7−3b+5−8x

=2x+4+−7+−3b+5+−8x

Combine Like Terms:

=2x+4+−7+−3b+5+−8x

=(−3b)+(2x+−8x)+(4+−7+5)

=−3b+−6x+2

8 0
3 years ago
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