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polet [3.4K]
3 years ago
6

Mr. Jackson divided £420 between his children in the ratio of their ages, Mitch is 4 and Jo is 3

Mathematics
1 answer:
3241004551 [841]3 years ago
4 0

Answer:

Mitch=60*4=240

Jo=60*3=180

Step-by-step explanation:

420/7=60

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Jessamine wants to ride her bike at least 85 miles per week. She rides to and from school 5 days per week. Her house is 6.25 mil
Naddik [55]
Let's translate the verbal language to algebraic language.

She rides to and from school 5 days per week, 6.25 miles each route => 5*2*6.25 miles = 62.5 miles.

She rides additioanly around the park 2.5 miles for each trip t => 2.5*t = 2.5t

Total miles of her rides per week: 62.5 miles + 2.5t

She wants to ride minimum 85 miles => 62.5 + 2.5t ≥ 85

Then, the situation is represented by this inequality:

2.5t + 62.5 ≥ 85

You can develop it and get to several equivalent inequalities, for example:

2.5t ≥ 85 - 62.5

2.5t ≥ 22.5

t ≥ 9

Any of the four forms are equivalent and a valid answer.
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3 years ago
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PilotLPTM [1.2K]

the answer is 5 car / hr.........................................

7 0
2 years ago
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!!!! I'LL GIVE BRAINLIEST !!!! PLS HELP THIS IS A TEST
kirza4 [7]

Answer:

yes,this is congruent by SAS criteria

8 0
3 years ago
Express each fraction as a percent 7/20
Sergio [31]
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4 0
3 years ago
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(Algebra II) Standard Form of a Quadratic Function - I'm having trouble with two questions on this quiz? Please don't just give
anastassius [24]
1.
the x value of the vertex in form
ax^2+bx+c=y
is
-b/2a
so

-2x^2+8x-18
x value of vertex is
-8/(2*-2)=-8/-4=2

plug it in to get y value
-2(2)^2+8(2)-18
-2(4)+16-18
-8-2
-10

vertex is at (2,-10)
or you could complete the square to get into y=a(x-h)^2+k, where the vertex is (h,k)
so as follows
y=(-2x^2+8x)-18
y=-2(x^2-4x)-18
y=-2(x^2-4x+4-4)-18
y=-2((x-2)^2-4)-18
y=-2(x-2)^2+8-18
y=-2(x-2)^2-10
vertex is (2,-10)






5.
vertex is the time where the speed is the highest
at about t=10, the speed is at its max
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3 years ago
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