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salantis [7]
3 years ago
7

Anyone knows how to do this ?

Mathematics
1 answer:
exis [7]3 years ago
8 0
700x0.08= 56 Hope this helps
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Can someone please help me with this
MArishka [77]

Answer:ok

Step-by-step explanation:

4 0
3 years ago
Evaluate each expression when a = -4 and b = 3<br><br>1.) ab<br>2.) 2a + 3b <br>2.) 2(a - b)​
Svet_ta [14]

1) -12

ab is a times b. We plug in the numbers (-4)*(3) which equals -12.

2) 1

We plug in -4 for a, and 3 for b into the equation.

We get 2(-4) + 3(3)

2*-4 is -8. 3*3 is 9. We add them both, and -8+9 equals 1.

3) -14

We plug in -4 for a, and 3 for b into the equation.

2(-4-3)

-4-3 is -7. -7*2 equals -14.

3 0
3 years ago
The path of a model rocket can be represented by the equation h(t)=-t2+15t+16, where h(t) is the height, in feet, of the rocket
Musya8 [376]
The height is 52 feet.

Using t=3, we have:
-3² + 15(3) + 16 = -9 + 45 + 16 = 52
4 0
3 years ago
Read 2 more answers
What is solution 7x+5y=-24 and 4x+y=42?
LenKa [72]
7x+5y=-24 (1)
   4x+y=42 (2)

multiply equation (2) by 5 to get
20x+5y=210 (3)

then calculate (3)-(2) which gives you
13x=234 hence x=18
then substitute for x in either equation to get y=-30
6 0
3 years ago
Read 2 more answers
Graph the function y=-0.5 sqrt x-3+2
Kay [80]
The graph of <span>y=-0.5 sqrt (x-3)+2
Df= {x/x-3>=0}
Df= [3, + infinity[
derivative of f(x)
f'(x)= -0.5 x 2 /</span>sqrt (x-3)= - 1/sqrt (x-3) <0, f is a decreasing function for all x in the Df
limf(x)=2 x--------->3,  limf(x)=-infinity, x--------->+infinity

look at the graph

3 0
3 years ago
Read 2 more answers
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