suppose there is a pile of quarters, dimes and pennies with a total value of $1.07. How much of each coin can be present without being able to make change for a dollar?

Answers

Answer 1

Answer: Hello,

In the triplet below (x,y,z) x is the number of quaters,
y the number of dimes,
z the number of pennies

Answer is : ( 1, 8, 2),( 3, 3, 2)

I107=( 0, 0, 107) but : 100= 0*25+ 0*10+ 100
107=( 0, 1, 97) but : 100= 0*25+ 1*10+ 90
107=( 0, 2, 87) but : 100= 0*25+ 2*10+ 80
107=( 0, 3, 77) but : 100= 0*25+ 3*10+ 70
107=( 0, 4, 67) but : 100= 0*25+ 4*10+ 60
107=( 0, 5, 57) but : 100= 0*25+ 5*10+ 50
107=( 0, 6, 47) but : 100= 0*25+ 6*10+ 40
107=( 0, 7, 37) but : 100= 0*25+ 7*10+ 30
107=( 0, 8, 27) but : 100= 0*25+ 8*10+ 20
107=( 0, 9, 17) but : 100= 0*25+ 9*10+ 10
107=( 0, 10, 7) but : 100= 0*25+ 10*10+ 0
107=( 1, 0, 82) but : 100= 1*25+ 0*10+ 75
107=( 1, 1, 72) but : 100= 1*25+ 1*10+ 65
107=( 1, 2, 62) but : 100= 1*25+ 2*10+ 55
107=( 1, 3, 52) but : 100= 1*25+ 3*10+ 45
107=( 1, 4, 42) but : 100= 1*25+ 4*10+ 35
107=( 1, 5, 32) but : 100= 1*25+ 5*10+ 25
107=( 1, 6, 22) but : 100= 1*25+ 6*10+ 15
107=( 1, 7, 12) but : 100= 1*25+ 7*10+ 5
107=( 1, 8, 2) is good
107=( 2, 0, 57) but : 100= 2*25+ 0*10+ 50
107=( 2, 1, 47) but : 100= 2*25+ 1*10+ 40
107=( 2, 2, 37) but : 100= 2*25+ 2*10+ 30
107=( 2, 3, 27) but : 100= 2*25+ 3*10+ 20
107=( 2, 4, 17) but : 100= 2*25+ 4*10+ 10
107=( 2, 5, 7) but : 100= 2*25+ 5*10+ 0
107=( 3, 0, 32) but : 100= 3*25+ 0*10+ 25
107=( 3, 1, 22) but : 100= 3*25+ 1*10+ 15
107=( 3, 2, 12) but : 100= 3*25+ 2*10+ 5
107=( 3, 3, 2) is good
107=( 4, 0, 7) but : 100= 4*25+ 0*10+ 0

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What is the dimension of the hypotenuse of the accompanying right triangle?

Answers

It's not possible to know, because you're not letting us see
the accompanying right triangle.

Find the coordinates of the midpoint of the segment given the endpoints p( -3,-7) and q (3, -5)

Answers

Answer:

(0,-6)

Step-by-step explanation:

The midpoint from -3 to 3 is 0, so the first coordinate is 0

The midpoint from -7 to -5 is -6, so the second coordinate is -6

(0,-6)

Which is bigger 20% of 300 or 1/4 of 200

Answers

to find 20% of 300, multiply .2 x 300 = 60
60 is 20% of 300

1/4 = 25%
to find 25% of 200, multiply .25 x 200 = 50
50 is 1/4 of 200

20% of 300 is more than 1/4 of 200

(20/100) *300 = (2/1)*30= 60(1/4) * 200= 200/4 = 50

A bacteriologist estimates that there are 5.2×10^4 bacteria growing in each of 20 petri dishes. About how many bacteria in total are growing in the petri dishes? Express your answer in scientific notation

Answers

Answer:

1X10^6

1.04x10^6

Step-by-step explanation:

You start by multiplying 5.2x10^4 by 20 because there are 20 petri dishes with this amount growing, and you get 1,040,000. Now we need to convert it to scientific notation. We know that 1,000,000 is 10^6, so we would move the decimal to the left 6 places and get 1.04x10^6. This is in scientific notation, but we need to keep in mind significant figures (sig figs), so your final answer would be 1x10^6, if that is not what your instructor is looking for, try 1.04x10^6.

Final answer:

The total amount of bacteria growing in the 20 petri dishes is calculated by multiplying the amount of bacteria in each dish (5.2×10^4) by the number of dishes (20), which gives a result of about 1.04×10^6 bacteria.

Explanation:

Given that there are approximately 5.2×10^4 bacteria in each dish and there are 20 petri dishes, we can find the total amount of bacteria by multiplying these two values together. The calculation is as follows: 5.2×10^4 bacteria/dish * 20 dishes = 1.04×10^6 bacteria. Therefore, there are about 1.04×10^6 bacteria in total growing in the petri dishes.

Learn more about Scientific Notation here:

brainly.com/question/2005529

Can some one please help me solve this ?

Answers

You're in high school. You learned a long time ago that the distance between
any two points is . . .

square root of [ (difference in their x-values)² + (difference in their y-values)² ].

Your two points are (-9, 6) and (-3, 9).

The difference in their x-values is 6 .
The difference in their y-values is 3 .

The distance between the points is . . .

square root of [ (6)² + (3)² ] = √(36 + 9) = √45

so this can be set up like a triangle and use that pythagorian theorem
a^2+b^2=c^2
so to find a you subsitute (x₁-x₂) and for b subsitute (y₁-y₂)

we want to find c
so
(-9-(-3))^2+(6-9)^2=c^2
(-9+3)^2+(6-9)^2=c^2
(-6)^2+(-3)^2=c^2
36+9=c^2
45=c^2
square root both sides
√45=c=distance
√45=3√5 in other words 3 times √5

answer is 3√5

An equation whose _____ are polar coordinates is called a polar equation.

Answers

Answer:

An equation whose variables are polar coordinates is called a polar equation.

Step-by-step explanation:

Polar Equation--

A polar equation is a equation that describe the relationship between r and θ, where r is the distance from the pole to a point on a curve and θ is the angle subtended by that point with respect to the x-axis.

Hence, here r,θ acts as a variable of the equation.

So, we can change any rectangular equation in terms of variable x and y into the polar equation in terms of variable r and θ by using the transformation:

x=r cosθ and y=r sinθ.

variables is the answer hope i am the brainliest i need it to get the next rank

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