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mel-nik [20]
3 years ago
11

Please help I am stuck !!!

Mathematics
1 answer:
Irina-Kira [14]3 years ago
6 0

Answer:

AC=1.879

Step-by-step explanation:

cos(20°)=x/2

cos(20°)·2=x

*plug into the calculator*

x=1.879

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ZA and ZB are complementary angles. If m A = (x – 21)° and m
pogonyaev

Answer:

A = 21

Step-by-step explanation:

Complementary angles add to 90

x-21 + 2x-15 = 90

Combine like terms

3x -36 = 90

3x-36+36 = 90+36

3x = 126

Divide by 3

3x/3 =126/3

x = 42

We want to find ZA = x-21

A = 42-21

A = 21

7 0
3 years ago
Read 2 more answers
Find the volume of a right circular cone that has a height of 11.1 in and a base with a circumference of 17.6 in. Round your ans
Mademuasel [1]

Answer:91.1

Step-by-step explanation:

Circumference=17.6

2xπxr=17.6

2x3.14xr=17.6

6.28r=17.6

r=17.6 ➗ 6.28

r=2.8

volume of cone=(πxr^2xh) ➗ 3

Volume=(3.14x(2.8)^2x11.1) ➗ 3

Volume=(3.14x2.8x2.8x11.1) ➗ 3

Volume=273.3 ➗ 3

Volume=91.1

6 0
3 years ago
Marcus works at a coffee shop. He earns $10.25 each hour. Use marcus's time sheet for the week to answer the questions.
ASHA 777 [7]

Answer:

Should he take the new position?

He shouldn't not take the new position

Why or why not?

This is because he makes a lot more at his old job than his new position

Step-by-step explanation:

Please find attached to this answer, Marcus worksheet at for a week at the coffee shop

For his first job

Marcus works at a coffee shop. He earns $10.25 each hour.

Let the number of hour is = x

The equation is given as:

$10.25x

For a week

October 11, He worked from 5:45 - 12.00pm = 6 hours 15 mins = $61.5

For his

October 12, He worked from 5:45 - 1:00pm = 7 hours 15 mins = 71.75

October. 13

3. Marcus was offered a position which pays a salary of $150 every week and a 25 cent commission for each ice cream cone he sell.

Let the number of ice cream sells be equal to x

25cent = $0.25

$150 + $0.25× x

$150 + $0.25x

Marcus sells an average of 125 ice cream cones each week.

The amount Marcus makes in his new position in 1 week =

$150 + $0.25 × 125

= $150 + $31.25

= $181.25

Compare this to how much he made for a week at his current job.

Marcy makes more at his old job than his new position.

Should he take the new position?

He shouldn't not take the new position

Why or why not?

This is because he makes a lot more at his old job than his new position

3 0
3 years ago
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Answer:

14 bars

Step-by-step explanation:

Mark me brainliest plz

3 0
3 years ago
I really need help on this plz help me....​
Daniel [21]

Answer:

The correct answer is -12

4 0
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