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andrew11 [14]
2 years ago
12

Please help me it’s a formative grade

Mathematics
1 answer:
sergejj [24]2 years ago
5 0

Answer:

Step-by-step explanation: 800/x=100/17

(800/x)*x=(100/17)*x       - we multiply both sides of the equation by x

800=5.88235294118*x       - we divide both sides of the equation by (5.88235294118) to get x

800/5.88235294118=x

136=x

x=136

83% of 800=664

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5(x 1) − 8 = 5x(2 − 4)
svp [43]
Answer:
5 x (2 - 4)
5x-8= -10x
15x=8
x=8/15

Hope this helps!

3 0
3 years ago
How was life different for Romans with low incomes and wealthy Romans? Romans living in poverty had few duties and more free tim
ahrayia [7]

Wealthy Romans relied on servants to run their households.

brainly.com/question/16395373

8 0
2 years ago
Which statements are true for the following expression?<br> (9 + 1) · 5
kvasek [131]

Answer:

50

Step-by-step explanation:

add

9 + 1 = 10

multiply

10 * 5 = 50

Answer: 50

3 0
2 years ago
A multiple of 9 with the tens digit that is more than the units digit​
Colt1911 [192]

Answer:

81, tens place is 8 ,unit's pkace is 1, so 8>1, that satisfies.

7 0
2 years ago
Im confused..I feel as if what I’m learning in class itself is not as difficult as the problems my teacher gives us to take home
RideAnS [48]
Ok, so remember that the derivitive of the position function is the velocty function and the derivitive of the velocity function is the accceleration function

x(t) is the positon function
so just take the derivitive of 3t/π +cos(t) twice
first derivitive is 3/π-sin(t)
2nd derivitive is -cos(t)
a(t)=-cos(t)

on the interval [π/2,5π/2) where does -cos(t)=1? or where does cos(t)=-1?
at t=π
so now plug that in for t in the position function to find the position at time t=π
x(π)=3(π)/π+cos(π)
x(π)=3-1
x(π)=2
so the position is 2







ok, that graph is the first derivitive of f(x)
the function f(x) is increaseing when the slope is positive
it is concave up when the 2nd derivitive of f(x) is positive

we are given f'(x), the derivitive of f(x)
we want to find where it is increasing AND where it is concave down

it is increasing when the derivitive is positive, so just find where the graph is positive (that's about from -2 to 4)

it is concave down when the second derivitive (aka derivitive of the first derivitive aka slope of the first derivitive) is negative
where is the slope negative?
from about x=0 to x=2
and that's in our range of being increasing
so the interval is (0,2)
4 0
3 years ago
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