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Lorico [155]
3 years ago
6

if you spend 40 minutes studying for this test on Saturday. Then you spent half as much as the previous day Sunday to through Tu

esday. How much total time did you spend studying for this test?
Mathematics
1 answer:
tatuchka [14]3 years ago
4 0

Answer:

60 mins or 1 hour

Step-by-step explanation:

40 mins on one day

40/2=20mins on the other day

40+20 =60mins or 1 hour

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Which postulate can be used to prove the triangles shown are congruent ?
gogolik [260]

As we see from the diagram, in order:-   side - angle - side are equal

So its SAS

4 0
3 years ago
If the length of the minute hand of the clock in London commonly known as "Big Ben" is 11.25' from the center of the clock to th
DochEvi [55]

Answer:

33.15 square inches.

Step-by-step explanation:

Given:

Length of the minute hand is 11.25' from the center of the clock to the tip of the hand.

<u>Question asked:</u>

What is the area swept out by the minute hand as it moves 5 minutes of time?

Solution:

<u><em>As length of the minute hand is '11.25' from the center of the clock to the tip of the hand means radius of the circle, r = 11.25 inches.</em></u>

First of all we will find area of circle swept by the minutes hand,

Area\ of\ circle=\pi r^{2}

                        =\frac{22}{7} \times11.25\times11.25\\\\ =\frac{2784.375}{7} \\ \\ =397.77\ square\ inches

When minute hand moves 60 minutes, it makes one circle of area 397.77 square inches.

By using<u> unitary method</u>, we will calculate area swept by minute hand in 5 minutes:-

In 60 minutes, area swept = 397.77 square inches

In 1 minute, area swept = \frac{397.77}{60}

In 5 minutes, area swept = \frac{397.77}{60}\times5=\frac{1988.85}{60} =33.15\ square\ inches

Thus, the area swept out by the minute hand is 33.15 square inches when  it moves 5 minutes.

8 0
4 years ago
Solve and show your work: |4x − 1| = 13 <br> PLEASE HELP ME
Damm [24]

Answer: x=7/2, x=-3

Step-by-step explanation:

First lets do look at it without the absolute value marks

4x-1=13

4x=14

x=7/2

Now lets do the same but assume 13 is negative,

4x-1=-13

4x=-12

x=-3

5 0
3 years ago
Is the square root of 9/16 a irrational number helpppppppppppppppppppppp
oee [108]

Answer:

0.75

Step-by-step explanation:

\sqrt{\frac{9}{16} = \frac{3}{4}

\frac{3}{4} = 0.75

3 0
4 years ago
Read 2 more answers
Half of 1/2 cake = _____ cake.
katrin2010 [14]

Answer:

1/4

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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