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lina2011 [118]
3 years ago
10

HELP PLEASE!!!!!!!!!!

Mathematics
1 answer:
Dafna1 [17]3 years ago
3 0

Answer:

12

Step-by-step explanation:

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The polygon circumscribes a circle. What is the perimeter of the polygon?
Nina [5.8K]

Answer:

68 cm

Step-by-step explanation:

Using the concept of tangents drawn from external point to a circle are congruent, we can find the Perimeter of polygon.

Perimeter of polygon  \\ = 2 \times 5 + 2 \times 6 + 2 \times 8 + 2 \times 15 \\  = 10 + 12 + 16 + 30 \\  = 68 \: cm \\

6 0
3 years ago
You are driving to a different location and it takes you 90 minutes to get tere if you drive 70 miles per hour. How long will it
xxTIMURxx [149]
<h2>Answer:</h2><h2>The time taken to reach if we drive 50 miles per hour = 126 minutes = 2.1 hours</h2>

Step-by-step explanation:

The time taken to reach the location = 90 minutes = 1.5 hours

The speed driven = 70 miles per hour

By formula, speed = distance traveled / time taken

70 miles per hour = distance traveled / 1.5 hours

distance traveled in miles = 70 * 1.5 = 105 miles

Speed = 50 miles per hour

Distance = 105 miles

Time taken = ?

speed = distance traveled / time taken

50 = 105 / time taken

time taken in hours = 2.1 hours = 126 minutes

7 0
3 years ago
Hannah finds purple, blue, and silver space rocks while exploring.
Maru [420]
To answer this, you will determine what fraction of the original rocks are silver by using the information about the other two colors.

If 2/3 of them area purple, than 1/3 are not.

If 3/4 of the remaining 1/3 is blue, than 3/4 x 1/3 = 3/12 of then are blue.

2/3 are purple, 3/12 of them are blue, the remaining is silver,

1 - 2/3 - 3/12
1 - 8/12 - 3/12 = 1/12

1/12 of the rocks are silver. If 3 are silver, write an equation that needs solved.

1/12r = 3
r = 36 rocks

There were 36 space rocks in total.
8 0
4 years ago
Read 2 more answers
Choose the polynomial that is written in standard form.
Step2247 [10]

Answer:

  • A. −3x⁵ + 4x³ + 10x²

Step-by-step explanation:

  • <em>The standard form means that the terms are ordered from biggest exponent to lowest exponent. </em>

Verify the answer options

A. <u>−3x⁵ + 4x³ + 10x²</u>

  • 5, 3, 2 - correct order  

B. <u>−8x + 4x⁴ + 3x³</u>

  • 1, 4, 3 - incorrect order

C. <u>x⁴ + 4x³ + 10x⁴</u>

  • 4, 3, 4 - incorrect order

D. <u>x⁶ + 4x³ + 10x⁷</u>

  • 6, 3, 7 - incorrect order
4 0
3 years ago
Read 2 more answers
Please help 30 points!
rodikova [14]

Answer:

its A=4,20, B=8,40

Step-by-step explanation:

you are supposed to do the Y first then the X

6 0
3 years ago
Read 2 more answers
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