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timurjin [86]
3 years ago
14

Please please please I’m begging for someone to help me please I only have 20 minutes last please

Mathematics
1 answer:
irga5000 [103]3 years ago
7 0

Answer:

351.54

Step-by-step explanation:

The length of the training track = 80m plus 80m + circumference of a circle

Circumference:

Pi x d = 3.14 x 61 = 191.54

Next 80 + 80 = 160.

The running tracks whole length = the sum of these 2 newly found values = 351.54

Hope this helps

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The sum of two numbers is 33.the larger number is 3 more than two times the smaller number.what are the numbers?
e-lub [12.9K]

Answer: The numbers are 10 and 23

Step-by-step explanation:

Let the smaller number be x

And the larger number be y

Ist sentence;

1. The sum of two numbers is 33.

X + y= 33 .........eqn 1

2. second sentence

the larger number is 3 more than two times the smaller number.

Y = 3 +2x

Put y into eqn 1

X+ 3 +2x = 33

3x= 33- 3

3x= 30

X = 30/3

X= 10 and y= 3+ 2x

Y= 3+ 2(10)

Y = 3+ 20

Y= 23

Therefore the two numbers are 10 and 23

8 0
4 years ago
To counteract the frog population spike, the parks department has decided to introduce a large number of predator fish into thei
tekilochka [14]

Answer:

1.2 x 10⁴

Step-by-step explanation:

12,000 has 2 places of other numbers before a spam of zeroes.

Take the numbers before zeroes and put a decimal to the left of the last digit.

Last digit is 2 so a decimal goes before 2

1.2

Count how many places the decimal moved: this number is your power of 10.

12000.  --> 1.2000

It moved 4 places.

12,000 = 1.2 x 10⁴

6 0
4 years ago
Name two segments the represent radii.be sure to write the word segment and then use two letters to identify the radii
SCORPION-xisa [38]

Answer:

k

Step-by-step explanation:

3 0
3 years ago
What is the relationship between the points on the pre-image and image of a reflection and the line of reflection?
stiv31 [10]
I think they are perpendicular to each other
3 0
3 years ago
Use the image to match the arc/angle measure.
IrinaK [193]

Answer:

The following measurements are:

m\angle{STR}=23^\circ (Option #4)

m{QT}=142^\circ (Option #7)

mST=134^\circ (Option #5)

mRQ=38^\circ (Option #2)

Step-by-step explanation:

To begin, we can find the measure of \angle{STR} by applying the inscribed angle theorem: an angle θ inscribed in a circle is half of the central angle 2θ that subtends the same arc on the circle.

Since the intercepted arc (RS) is 46 degrees, we have:

46=2\theta\\23=\theta

Next, we can find the measure of arc QT using the same theorem. So,

QT=2(71)\\QT=142

Notice that the chord RT is actually a diameter. From the theorem about the inscribed angle including a diameter, we know that the intercepted arc will have a measure of 180^\circ. Since the arc ST is part of the arc RST, and we know RS is 46^\circ, we can set up and solve this equation:

RST = RS + ST\\180 = 46 + ST\\134 = ST

We can use the same idea to find RQ. We know that RQT is 180^\circ and QT is 142^\circ, so:

RQT = RQ + QT\\180 = RQ + 142\\38 = RQ

7 0
3 years ago
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