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scZoUnD [109]
3 years ago
10

-5x+17x=48 WILL GIVE BRAINLIST AND THX IF CORRECT

Mathematics
2 answers:
zlopas [31]3 years ago
7 0

Answer:

x=4

Step-by-step explanation:

12x=48

12x/12 =48/12

x=4

mart [117]3 years ago
5 0

Answer:

x = 4

Step-by-step explanation:

to evaluate this evaluate this expression  

-5x+17x=48

solution

-5x+17x=48

12x = 48

divide both sides by the coefficient  of x

12x/12 = 48/12

x = 4

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I need someone to help me please please
iren [92.7K]
I think it is 280 cubic inches: the triangle would be the base, so area would be 1/2(7x10)= 35
Take that area times the height of 8 and you get 280.

6 0
3 years ago
A. When comparing the "# of Bacteria" each hour, what is the number being multiplied by each time? *
LenaWriter [7]

Answer:

Part a) The number is 8

Part b) The initial number of bacteria is 4

Part c) y=4(8)^x

Part d) y=100(8)^x

Step-by-step explanation:

we know that

The equation of a exponential function is equal to

y=a(b)^x

where

y is the number of bacteria

x is the time in hours

b is the base of the exponential function

a is the initial number of bacteria

Part a) When comparing the "# of Bacteria" each hour, what is the number being multiplied by each time?

we know that

For x=1 h ----> y=32 bacteria

For x=2 h ----> y=256 bacteria

For x=3 h ----> y=2,048 bacteria

For x=4 h ----> y=16,384 bacteria

For x=5 h ----> y=131,072 bacteria

For x=6 h ----> y=1,048,576 bacteria

so

256/32=8

2,048/256=8

16,384\2,048=8

131,072/16,384=8

1,048,576\131,072=8

so

the base of the exponential function  b is 8

Part b) What is the initial number of bacteria? (at time zero)

we know that

The number of bacteria at time x=1 hour , divided by the number of bacteria at time x=0 must be equal to 8 (see part a)

so

\frac{32}{a}=8

solve for a

a=32/8=4\ bacteria

Part c) Write a rule for this table

we have

y=a(b)^x

we have

a=4\\b=8

substitute

y=4(8)^x

Part d) Suppose you started with 100 bacteria, but they still grew by the same growth factor. Write the function rule for this situation

In this case

a=100

b=8 ---> the growth factor is the same

so

y=100(8)^x

6 0
3 years ago
Read 2 more answers
Question 4
Anna [14]

Answer:

f(1)= 12-31+7

Step-by-step explanation:

f(1) = -12

5 0
2 years ago
How do I fine the perimeter of these triangles?
arsen [322]

constant of proportionality => COP

3: P(triangle ABC) = 84

COP = 18/15 = 1.2

Since you are finding the larger triangle, multiply the other numbers by 1.2

25 * 1.2 = 30

28 * 1.2 = 33.6

17 * 1.2 = 20.4

add them all up (answer up top)

5: P(triangle ABC) = 61.2

COP = 9/5 = 1.8

Since you are finding the larger triangle, multiply the other numbers by 1.8

9 * 1.8 = 16.2

13 * 1.8 = 23.4

12 * 1.8 = 21.6

add them all up (answer up top)

6: P(triangle RST) = 110

RP and PT are congruent, this means that PT is also 20

COP = 40/20 = 2

Since you are finding the larger triangle, multiply the other numbers by 2

25 * 2 = 50

20 * 2 = 40

10 * 2 = 20

add them all up (answer up top)

3 0
3 years ago
PLSSS HELP MEEE ASAPP PLSSSS IM BEGGING U AND THANK U
AlekseyPX

Answer:

the 3 one

Step-by-step explanation:

4 0
2 years ago
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