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3 years ago

when I double my number, add four, and then subtract my number and subtract 3, I get my number plus 1

1 answer:

3 0

4 because doubled it equals eight, add four it equals twelve, subtract four it equals eight, subtract three and it equals five.

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Mr. Clemens painted his barn for 3 and 4/5 hours in the morning. He painted the barn for 5 and 3/4 hours in the afternoon. How m

Anna71 [15]

Answer:

1 19/20 hours

Step-by-step explanation:

We solve the above question using Subtraction operation

Hence:

The number rod hours Mr. Clemens painted the barn in the afternoon than in the morning is calculated as:

5 3/4 hours - 3 4/5 hours

5- 3 +( 3/4 - 4/5)

Lowest Common Denominator = 20

2 + (15 - 16/20)

2 + -1/20 hours

= 1 19/20 hours

7 0

3 years ago

4. Find the vertex, focus, and directrix of the parabola. Sketch its graph, showing the focus and the directrix.

valentina_108 [34]

Answer:

vertex - (0,0)

focus - (0, 3/4)

directrix - 3/4

parabola- x^2=-3y

graph of equation:

8 0

3 years ago

How many different ways can Kevin set the switches

Allushta [10]

3 different ways since there are 3 switches

7 0

3 years ago

Write each decimal as a fraction and mixed number in simplest form?

PSYCHO15rus [73]

0.7= 7/10
0.32= 8/25
4.008= 4 1/125

7 0

3 years ago

Match the fraction with its equivalent decimal form of the number.

bagirrra123 [75]

Answer:

see below

Step-by-step explanation:

The overbar on decimal digits means they repeat forever.

Any fraction with a denominator consisting of powers of 2 and/or 5 will terminate. These can be converted to decimal by multiplying the fraction by a number to make the denominator an appropriate power of ten.

1 2/3 = 1.66666666666... repeating

1 3/5 = 1 (3·2)/(5·2) = 1 6/10 = 1.6

1 1/4 = 1 (1·25)/(4·25) = 1 25/100 = 1.25

1 33/50 = 1 (33·2)/(50·2) = 1 66/100 = 1.66

Of course, your calculator can tell you the decimal equivalents, too.

3 0

3 years ago