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Snezhnost [94]
3 years ago
13

HELPPPPPPPPppppppppppppp

Mathematics
1 answer:
alekssr [168]3 years ago
5 0

Answer: 16

Step-by-step explanation:

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Use a protractor to find the measure of each angle in the circle
zzz [600]
You need to show us the circle in order to let us answer the question.
7 0
3 years ago
A video game company is designing a game based on professional race cars. Professional race cars have a length of 570 cm and a w
siniylev [52]

Answer:

  A) 1/45

  B) 1/60

Step-by-step explanation:

<u>Part A</u>

The actual car has a length to width ratio of ...

  length/width = (570 cm)/(180 cm) = 57/18 = 3 1/6

The rectangle on the screen has a length to width ratio of ...

  length/width = (13 cm)/(4 cm) = 3 1/4

Relative to its width, the screen rectangle is longer than necessary for a model of the car. So, the scale factor will be determined by the width of the car relative to the width of the screen model.

For a model width of 4 cm, the scale factor is ...

  model/life-size = (4 cm)/(180 cm) = 1/45

__

<u>Part B</u>

For a model width of 3 cm, the scale factor is ...

  model/life-size = (3 cm)/(180 cm) = 1/60

7 0
2 years ago
Helppppppppppp!!!!!
Delvig [45]

Answer:

n ^{2}  + 7n + 1 \\ where \: the \: value \: of \: n =  - 3 \\ n ^{2}  + 7n + 1 \\  =  - 3^{2}  + 7( - 3) + 1  \\  =  - 9 - 21 + 1 \\  =  - 29

4 0
3 years ago
Read 2 more answers
PLEASE SHOW YOUR WORK.
schepotkina [342]

Answer:

a) Shawn's error was that he Multiplied 15 by 2x only. He didn't Multiply 15 by 7

b) The difference, in square feet, between the actual area of Shawn’s garden and the area found using his expression is given as

98 square feet

Step-by-step explanation:

The area in, square feet, of Shawn’s garden is found be calculating 15(2x + 7). Shawn incorrectly says the area can also be found using the expression 30x + 7.

The correct area =

15(2x + 7).

= 30x + 105 square feet

The error in Shawn’s expression is

= 15(2x + 7)

= 30x + 7 square feet

Shawn's error was that he Multiplied 15 by 2x only. He didn't Multiply 15 by 7

The difference, in square feet, between the actual area of Shawn’s garden and the area found using his expression is given as

30x + 105 square feet - 30x + 7 square feet

= 30x + 105 - (30x + 7)

= 30x - 30x + 105 - 7

= 98 square feet

7 0
2 years ago
4[24-3(7x+6)]-6(4-14x)
garik1379 [7]

Answer:

0

Step-by-step explanation:

4[24-3(7x+6)]-6(4-14x)

4(24-21x-18)-24+84x

96-84x-72-24+84x

96-72-24-84x+84x

0 + 0

0

5 0
3 years ago
Read 2 more answers
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