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kotykmax [81]
3 years ago
8

Help me plz mathhh ill give brainliest

Mathematics
2 answers:
VMariaS [17]3 years ago
5 0

Answer: angle CFD = 62 degrees

angle AFB = 90 degrees

Step-by-step explanation: The sum of the angles have to equal 360.

It's plain to see that AFB is a right angle (90 degrees) so 118 + 62 + 28 + 90 = 298

and 360 - 298 = 62

NISA [10]3 years ago
4 0

Answer:

afb= 90

cfd= 62

Step-by-step explanation:

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2. Its speed is 4 inches per second. How do we calculate the speed in feet
KengaRu [80]

Answer:

Step-by-step explanation:

12 in = 1 ft

(4 in)/sec × (1 ft)/(12 in) = (4/12 ft)/sec = (⅓ ft)/sec

8 0
2 years ago
(a) How many integers in the range 1 through 120 are integer multiples of 2, 3, or 5? keyboard_arrow_down Solution (b) How many
Umnica [9.8K]

Answer:

(a) 88 integers

(b) 92 integers

Step-by-step explanation:

(a) integers whose last digits are divisible by 2 are multiples of two or numbers whose digits ends with zero. So for number 1-120 , all the even numbers which are sixty in number are are multiples of two.

For  3, numbers whose digits sum is divisible by three are multiples of three. 3,6,9,12,15,18,21,24,27,30 are multiples of three from numbers 1-30. we have four 30s in 120. which means numbers of integers will be 10*4 = 40integers. However out of these numbers , half are also integers of 2 which reduces the number added to 20integers.

For 5, numbers whose digits ends with 5 or 0 are multiples of 5. this gives us 24 integers for 1-120. but out of these 24integers, 16 are common integers of 2 and 3 which reduces the number added to 8integers.

Thus from 1-120 the intergers of 2,3 or 5 = 60+20+8 = 88integers.

(b) if we are considering from numbers 1-140;

for 2 we wil have 70 integers,

for 5 we will have 28 integers, but those integers that end with 0 are also integers of 2 which reduces the number added to 14.

For 7, numbers 7,14,21,28,35,42,49,56,63,70 are multiples of three from 1-70. This pattern is repeated from number 71-140. hence we have 20 integers in all. However 12 of the multiples are also multiples of either 2 or 5 which reduces the number to 8 integers.

Thus from 1-140, the integers of 2, 5, or 7 = 70+14+8 = 92integers

3 0
3 years ago
Jay spent ten more than three times the number of hours on his science fair project than jamie spent on her project jay spent 43
Aliun [14]
Why did both of their names have to start with the same letter

x=jay hours
y=jamie huours

x=10+3y
x=43


so
43=10+3y
minus 10
33=3y
divide 3
11=y

jamies spent 11 hours
8 0
3 years ago
One piece of pizza has been removed from a large pizza pie. The shaded area shown represents the piece that has been removed.
shusha [124]

Answer:

Step-by-step explanation:

i would love to help but you need to include either the measurement or a screen shot/picture of the equation.

4 0
3 years ago
Sophia wanted to knit a scarf 1 meters long. On Monday, she knit
Sergio [31]

She knit 1/4 of the total length of the scarf on monday

Answer:

She knit 7/10 of the scarf altogether

Step-by-step explanation:

Please see the attached file for explanation

3 0
3 years ago
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