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3 years ago

Raul is building a house

2 answers:

8 0

The given situation above is an example of a geometric sequence with first term equal to three and the common ratio equal to 3. For the second day, Raul used 9 bags of cement. He used 27 bags on the third and 81 on the fourth. To answer the question, add the number of bags from second to fourth day. The answer is equal to 117 bags of cement.

Ymorist [56]3 years ago

4 0

Answer:

117 bags

Step-by-step explanation:

First day number of bags used by Raul= 3 bags

We have to calculate the number of bags next three following days

On second day, number of bags used by Raul= 3×3=9

similarly, on third day number of bags used by Raul= 9×3=27

similarly, on fourth day number of bags used by Raul= 27×3=81

Hence, the total number of bags used by Raul= 9+27+81=117

Hence, the correct answer is 117

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Which point lies on the graph of the equation-2x+5y+20

My name is Ann [436]

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3 years ago

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ArbitrLikvidat [17]

The correct options to the questions will be:

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2. False.

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4. True

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6. Strong work ethics

7. True.

8. False

9. Motivation

10. Skill

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A job is paid work that leads to other jobs. This is true.

People typically plan to have the same job for the long-term. This is false.

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1 year ago

Hich function has a range of {y|y ≤ 5}?

marshall27 [118]

Answer:

$f(x)=-(x-4)^{2}+5$

Step-by-step explanation:

we know that

The equation of a vertical parabola into vertex form is equal to

$y=a(x-h)^{2}+k$

where

(h,k) is the vertex of the parabola

if a>0 -----> the parabola open upward (vertex is a minimum)

if a<0 -----> the parabola open downward (vertex is a maximum)

<u>Verify each case</u>

case A) $f(x)=(x-4)^{2}+5$

The vertex is the point $(4,5)$

$a=1$

a>0 -----> the parabola open upward (vertex is a minimum)

The range is the interval--------> [5,∞)

$y\geq5$

case B) $f(x)=-(x-4)^{2}+5$

The vertex is the point $(4,5)$

$a=-1$

a<0 -----> the parabola open downward (vertex is a maximum)

The range is the interval--------> (-∞,5]

$y\leq 5$

case C) $f(x)=(x-5)^{2}+4$

The vertex is the point $(5,4)$

$a=1$

a>0 -----> the parabola open upward (vertex is a minimum)

The range is the interval--------> [4,∞)

$y\geq4$

case D) $f(x)=-(x-5)^{2}+4$

The vertex is the point $(5,4)$

$a=-1$

a<0 -----> the parabola open downward (vertex is a maximum)

The range is the interval--------> (-∞,4]

$y\leq 4$

4 0

3 years ago

Which of the following best describes the slope of the line below?

MAVERICK [17]

Answer:

Step-by-step explanation:

the horizontal line is not on any number of the x axis

8 0

3 years ago

Read 2 more answers

Hong drove 348 miles using 15 gallons of gas. At this rate, how many gallons of gas would he need to drive 232 miles?

SCORPION-xisa [38]

348 miles——>15 gallons of gas
232 miles——-> x
X=(232)(15)/348=10 gallons of gas

8 0

3 years ago