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lakkis [162]
3 years ago
7

Circle A has center of (4, 5), and a radius of 3 and circle B has a center of (1,7), and a radius of 9. What steps will help sho

w that circle A is similar to circle B?
Mathematics
1 answer:
telo118 [61]3 years ago
6 0

Answer:

Step-by-step explanation:

The radius of a circle is independent of the location of its center, and circles are always similar.  Here, therefore, the circles are similar; their shapes are exactly the same.  Only the radii differ from one another.  The radius of Circle A is 3 and that of Circle B is 9; thus the radii differ by a factor of 3.

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Hamza buys a car for £900 and sells it for £1,280. Write the sale price as a percentage of the original price. Give your answer
vazorg [7]

The sale price of the car as a percentage of the original price is 142%

<h3>Percentage</h3>

  • Cost of buying = £900
  • Cost of selling = £1,280

Sale price as a percentage of the original price = sale price / buying price

= 1280/900 × 100

= 1.42222222222222 × 100

= 142.22%

Approximately,

142%

Learn more about percentage:

brainly.com/question/843074

#SPJ1

7 0
2 years ago
PLEASE HELP! The diagonals of a trapezoid are equal.<br><br> always<br> sometimes<br> never
nikdorinn [45]

The diagonals of a trapezoid are equal sometimes,

and they're unequal sometimes.


The diagonals are equal only in an "Isosceles trapezoid" . . .

where the non-parallel sides have equal lengths.

4 0
3 years ago
Please help, I need input on if I did this correctly and you just substitute.
kow [346]

The value of h(t) when t=\frac{15}{32} is 10.02.

Solution:

Given function h(t)=-16t^2+15t+6.5

To find the value of h(t) when t=\frac{15}{32}:

h(t)=-16t^2+15t+6.5

Substitute t=\frac{15}{32} in the given function.

$h\left(\frac{15}{32} \right)=-16\left(\frac{15}{32} \right)^2+15\left(\frac{15}{32} \right)+6.5

            $=-16\left(\frac{225}{1024} \right)+15\left(\frac{15}{32} \right)+6.5

Now multiply the common terms into inside the bracket.

           $=-\left(\frac{3600}{1024} \right)+\left(\frac{225}{32} \right)+6.5

Now, in the first term, the numerator and denominator both have common factor 16. So reduce the first term into the lowest term.

          $=-\left(\frac{225}{64} \right)+\left(\frac{225}{32} \right)+6.5

To make the denominator same, take LCM of the denominators.

LCM of 64 and 32 = 64

        $=-\left(\frac{225}{64} \right)+\left(\frac{225\times2}{32\times2} \right)+6.5\times\frac{64}{64}

        $=-\frac{225}{64} +\frac{450}{64}+\frac{416}{64}

        $=\frac{-225+450+416}{64}

       $=\frac{641}{64}

       = 10.02

$h\left(\frac{15}{32} \right)=10.02

Hence the value of h(t) when t=\frac{15}{32} is 10.02.

8 0
3 years ago
A softball pitcher has 0.626 probability of throwing a strike for each pitch if the softball pitcher throws 30 pitches what is t
coldgirl [10]
The probability that pitcher will throw no more than 16 strikes is 0.1938.
6 0
3 years ago
The sample space, S, for flipping a fair coin three times is shown
Ksenya-84 [330]

Answer: \frac{7}{8}

Step-by-step explanation:

Given

Sample space is ={HHH,THH,HTH,HHT,TTH,THT,HTT,TTT}

There are 8 element in sample space which indicates the outcome of tossing a coin three times

Probability of obtaining at least one head=1-P(\text{0 head})

P(\text{0 head})=P(\text{All tails})

P=1-\frac{1}{8}

P=\frac{7}{8}

3 0
3 years ago
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