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EastWind [94]
2 years ago
14

What value of r is a solution to this equation? 387 divide by r = 9

Mathematics
1 answer:
Vlad1618 [11]2 years ago
8 0

Answer:

A. 43

Step-by-step explanation:

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F (x) =2x -4; find f (-4)
NemiM [27]

Answer:

f(-4) = -12

Step-by-step explanation:

f(x)=2x-4

To calculate f(-4), we need to substitute x in our equation above with -4:

f(x)=2x-4\\f(-4) = 2*(-4) - 4\\f(-4) = -8-4 = -12

Note that 2*(-4) = -8

Answer: f(-4) = -12

6 0
3 years ago
What is the value of A and B find the square root of two times the square root of 14 equals a multiplied by the square root of B
Salsk061 [2.6K]

What is the value of A and B find the square root of two times the square root of 14 equals a multiplied by the square root of BWhat is the value of A and B find the square root of two times the square root of 14 equals a multiplied by the square root of BB) x= -13/2

C) x=25/28

D) x=-7/20What is the value of A and B find the square root of two times the square root of 14 equals a multiplied by the square root of B14Which equation below compares the amount of medicine, S, in Sofia’s system with the amount of medicine, L, in Lexi’s system? L = 16 x S S = 16 x L L = 4 + S S = 4 + L16What is the value of A and B find the square root of two times the square root of 14 equals a multiplied by the square root of B14What is the value of A and B find the square root of two times the square root of 14 equals a multiplied by the square root of BB) x= -13/2

C) x=25/28

D) x=-7/20

6 0
2 years ago
Prism A has a volume of 60 cubic units and a height of 12 units. Prism B has the same base area and height but a length of 15 un
stepladder [879]

Answer:

As both prism have the same base area and height there volumes are the same.

Step-by-step explanation:

Volume of the prism is given by

Volume of Prism A= base area* height

60 cubic units= base area* 12

base area= 60/12= 5 units

Volume of Prism B= base area* height

                              = 5 units*12 units

                             = 60 cubic units

As both prism have the same base area and height there volumes are the same.

The length of the longer side is the length of the triangle itself.

For example the length of longer side of prism A maybe 10 units but width may be 1/2 units

and

the length of longer side of prism B maybe 15 units but width may be 1/3 units

the total base area remains the same.

5 0
3 years ago
Read 2 more answers
Given sin x=0.3 , what is cos x ?
blsea [12.9K]
Cos x = sqrt( 100 - 9) / 10 
<span>= 0.9539392014</span><span>sin x = 0.3 = 3/10
</span>
7 0
3 years ago
Read 2 more answers
Sal's Sandwich Shop sells wraps and sandwiches as part of its lunch specials. The profit on every sandwich is $2 and the profit
kifflom [539]
This is a very long question. I'm not going to write all of it out but I will give you a starting point. Find your x by making y in the formula equal to 0.

2x + 3y = 1470

2x + 3(0) = 1470

2x = 1470

x = 735

Your furthest point on the x axis is (735,0).

Do the same for y.

2x + 3y = 1470.

2(0) + 3y = 1470

3y= 1470

y= 490

Your highest point is (0,490).

Now that both are plotted, draw a straight line connecting the two points. There's your graph.

Check
8 0
3 years ago
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