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4 years ago

If BC = 4 and CD = 27, find AC.

Mathematics

1 answer:

lys-0071 [83]4 years ago

3 0

Answer is 4 because there are both length plus breadth

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PointJ-2.1) and point K(45) form line segment JR. For the point P that partions JK in the ratio 3.7, what is the y-coordinate of

inessss [21]

The coordinates of point P would be (2.6, 1.6).

The ratio of the sides being 3:7 means that the segment JP would be 3/10 of the total and PK would be 7/10 of the segment.

The slope of JK is given by finding the rise/run; in this case that is 4/2=2. Since JP is 3/10 of the segment, we add 3/10 of the rise to the x-coordinate and 3/10 of the run to the y-coordinate:

(3/10(2)+2, 3/10(2)+1)
=(6/10+2, 6/10+1)
=(2.6, 1.6)

5 0

3 years ago

Explain why it is not reasonable to say that 4.23 is less than 4.135 because 4.23 has fewer digits after the decimal point than

alexgriva [62]

Answer

Although 4.135 has more digits the value of 0.135 is less than the value of 0.23.

Step-by-step explanation:

8 0

4 years ago

Read 2 more answers

1. Delia brushes her teeth 1/6 hour each day.

Roman55 [17]

Answer:

PART A: 28 hours, PART B: 16800 minutes

Step-by-step explanation:

Delia Brushes her teeth = 1/6 hour

PART A

Total Week= 1 week

Total number of days in a week= 7 days

Total number of hours in a day= 24 hours

Total number of hours in a week= 24× 7 hours

Total number of hours in a week= 168 hours

Number of hours that Delia brushes her teeth = $\frac{1}{6}$ × 168 hours

Number of hours that Delia brushes her teeth = 28 hours

Hence, the correct answer is 28 hours

PART B

Total number of days in a week= 7 days

Total number of hours in a week= 168 hours

Total number of minutes in a week= 168 × 60

Total number of hours in a week= 100800 Minutes

Number of minutes that Delia brushes her teeth = $\frac{1}{6}$ × 100800

Number of hours that Delia brushes her teeth = 16800 minutes

Hence, the correct answer is 16800 minutes

4 0

3 years ago

Find the area of a regular hexagon whose apothem is 1.7 cm and side length is 2 cm.. A. 20.4 cm2. B. 3.4 cm2. C. 6.8 cm2. D. 10.

Kipish [7]

A regular hexagon is composed of 6 regular triangles whose area is equal to half of the product of the apothem and side.
A - triangle = (1/2)(a)(s) = (1/2)(1.7 cm)(2 cm) = 1.7 cm²
Multiplying this area by 6 to get the area of the hexagon gives as the answer which is 10.2 cm². Therefore, the answer is letter D.

5 0

3 years ago

Simplify the expression -3r+7-3r-12

mixer [17]

Answer:

-6r -5

Step-by-step explanation:

-3r+7-3r-12

Combine like terms

-3r -3r +7-12

-6r -5

8 0

3 years ago