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pishuonlain [190]
2 years ago
15

Which one has the exact same amount of coins as the one above?

Mathematics
2 answers:
Anestetic [448]2 years ago
4 0

Answer:B

Step-by-step explanation:

I am pretty sure it is b

dezoksy [38]2 years ago
3 0

Answer:

its b

count them!

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How much interest will Sara pay if she borrows:<br> $1,400 at 4% for 60 months.
navik [9.2K]

Answer:

Sara will have a 3,360 interest fee.

Step-by-step explanation:

4% of 1,400 is 56. 56 X 60 = 3,360

8 0
3 years ago
What is the product?<br><br> (3x-8)(2x²-7x-1)
hichkok12 [17]

Answer:

Product is   6x³ - 37x² + 53x + 8

Step-by-step explanation:

8 0
2 years ago
Suppose a circle and a line intersect in a plane what is the smallest number of points at which they can touch
Anna35 [415]
The smallest amount of points at which they could intersect is 2.
8 0
3 years ago
Read 2 more answers
13. Jody is supplying his food truck for the week. He buys 32 pounds of pork and 50 pounds of chicken for a total of $185. He re
larisa [96]

Answer:

Pork is $1.75 per pound (x=1.75)

Chicken is $2.58 per pound (y=2.58)

Step-by-step explanation:

<u>Key skills needed for this problem: Linear Equations, Systems, Elimination</u>

1) Use x and y for the pork and the chicken and you will get 2 equations:

  • 32x + 50y = 185
  • 8x + 20y = 65.6

We can use elimination in this system.

2) To use elimination, we can multiply the 2nd equation by -4:

-4(8x + 20y) = 65.6(-4) becomes -32x-80y = -262.40

3) Next add both equations:

32x + 50y = 185

+

-32x - 80y = -262.4

-----------------------------

-30y = -77.4

y = $2.58

4) Next we can substitute the y value into one of the equations. I like the first one so I used that one ---> 32x + 50(2.58) = 185

50(2.58) is equal to 129 so ---> 32x + 129 = 185

                                                           -129     -129

                                                   ------------------------

                                                    32x = 56

                                       Divide by 32 and get x= $1.75

5) Therefore, It is $1.75 per pound of pork, and $2.58 per pound of beef.

<em>Hope you understood and have a nice day!! :D</em>

4 0
3 years ago
How many positive integers less than 1000 a) aredivisibleby7? b) are divisible by 7 but not by 11? c) are divisible by both 7 an
notsponge [240]

Answer:

a.142 b.130 c.12 d.220 e.208 f.779 g.720

Step-by-step explanation:

How many positive integers less than 1000 (from 1 to 999)

a) are divisible by 7?

999/7=142,71

then there are 142 integers that are divisible by 7

7*1=7

7*2=14

7*3=21

...

7*141=987

7*142=994

b) are divisible by 7 but not by 11?

as 7 and 11 are prime numbers

7*11=77

999/77=12.97

142-12=130

c) are divisible by both 7 and 11?

999/77=12.97

then there are 12 integers that are divisible by both 11 and 7 below 1000

d) are divisible by either 7 or 11?

999/7=142.71

999/11=90.81

then the numbers that are divisible either by 7 or 11 is

142+90-12(the numbers that are counted in both grups 'divisible by 7' and 'divisible by 11')

220

e) are divisible by exactly one of 7 and 11?

[142('divisible by 7')-12('divisible by both')]+[90('divisible by 11')-12('divisible by both')]

208

f) are divisible by neither 7 nor 11?

999('all the positive integers below 1000)-220('are divisible by either 7 or 11')

779

g) have distinct digits?

For evey digit x from 0 to 9

0xx,1xx,2xx,3xx,4xx,5xx,6xx,7xx,8xx,9xx 10 options

xx0,xx1,xx2,xx3,xx4,xx5,xx6,xx7,xx8,xx9 10 options

x0x,x1x,x2x,x3x,x4x,x5x,x6x,x7x,x8x,x9x 10 options

and xxx one option

for each of the first three rows we have to sustract the option in wich the three digits are the same digit.

for the 0 we have to sustract the 000 of the fourth row as it is not a positive number.

10 (different digits)*(9+9+9+1)(different combinations for each number)-1(the 000)=279

999-279=720

8 0
3 years ago
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