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3 years ago

8

Which of the following illustrates the truth value of the given statements?

2 answers:

Crazy boy [7]3 years ago

8 0

The word was in both statements.

bixtya [17]3 years ago

6 0

Since both of these statements are false it would be F F - F

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Water level in a well was 20m below ground level. During rainy season, rainwater collected in different water tanks was drained

IgorC [24]

Answer:

17 m

Step-by-step explanation:

As shown in the figure, $A_0-B_0$ is the ground level, $A_1-B_1$ is the old level of water which was at 20 m below ground level, $A_2-B_2$ is the new level of water which is 5m above of old level. The height of wall of the well, 1.20 m, and the the pelly at 80 cm =0.80 m, has been shown too.

The minimum length of the rope is equal to the distance between the pully and the new water level, indicated by the length $L_0$ in the figure.

So, $L_0= 20-5+1.20+0.80= 17m$

Hence, Raghu must use a rope having the minimum length 17 m to draw water from the well.

6 0

3 years ago

A supplier sells 214 2 1 4 pounds of mulch for every 113 1 1 3 pounds of gravel. The supplier sells 172 pounds of mulch and grav

Dennis_Churaev [7]

Answer:

2.25 + 1 1/3=3.5833333 combined number of pounds of mulch and gravel sold.

2.25/3.583333 X 172=108 pounds of mulch that the supplier sells

(1 1/3) / 3.583333 X 172=64 pounds of gravel that the supplier sells.

Step-by-step explanation:

Let 'x' = pounds of gravel The ratio of mulch to gravel is given 2 1/4 / 1 1/3 Which equals 9/4 / 4/3 = 27/16

So the total gravel and much is equal to x + 27/16x = 172

Solving for 'x'

43/16 x = 172

x = 172 (16/43) = 64 pounds of gravel Mulch = 27/16x = 64 (27/16)= 108 pounds

3 0

3 years ago

Tell the shape, center, and spread of this data set.

lions [1.4K]

Answer:

can I have options? or is there not any?

8 0

2 years ago

At a department store, Kendra has a debt greater than $25.00. Which could be Kendra’s balance? Negative 32 dollars Negative 22 d

Nady [450]

Step-by-step explanation:

negative 35 dollars

debt > 25.00

bal = - ' > 25.00 '

7 0

3 years ago

Read 2 more answers

A carpenter is making a rectangular form for a concrete pad she wants the length of the path to be 11 feet more than the width o

Basile [38]

Answer:

Length = 16 or -5 feet.

Width = 5 or -16 feet.

Step-by-step explanation:

Let the length of the concrete pad = l

Let the width of the concrete pad = w

<u>Given the following data;</u>

Area of concrete pad, a = 80ft²

Translating the word problem into an algebraic equation, we have;

$l = 11 + w$

<em>We know that, the area of rectangle, A = length * width</em>

$A = l*w$

<em>Substituting the values into the equation, we have;</em>

$80 = (11 + w)w$

<em>Expanding the bracket, we have;</em>

$80 = 11w + w^{2}$

$w^{2} + 11w - 80 = 0$

*Solving the quadratic equation by using factorization method*

$w^{2} + 16w - 5w - 80 = 0$

$w(w + 16) - 5(w + 16) = 0$

$(w - 5)(w + 16) = 0$

Width, w = 5 feet or w = -16 feet.

<em>Therefore, the width of the concrete pad is 5 feet or -16 feet.</em>

<em>To find its length, l;</em>

$l = 11 + w$

When w = 5 feet

$l = 11 + 5$

Length, l = 16 feet

When w = - 16 feet

$l = 11 + (-16)$

$l = 11 - 16$

Length, l = -5 feet.

Hence, the dimensions of the concrete pad is 16 by 5 feet or -5 by -16 feet.

6 0

3 years ago