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anastassius [24]
3 years ago
12

A typical household spends about $300 annually to heat water. Tankless water heaters can save 30% of this cost. How much money c

an be typically saved?
Mathematics
1 answer:
slava [35]3 years ago
4 0
$ 90 can be saved because 30% of 300 is 90
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Emma, Brandy, and Damian will cut a rope that is 29.8 feet long into 3 jump ropes. Each of the three jump ropes will be the same
Vesnalui [34]

Answer:

The length of each rope is 9.93 feet (Approx).

Step-by-step explanation:

As given

Emma, Brandy, and Damian will cut a rope that is 29.8 feet long into 3 jump ropes.

Each of the three jump ropes will be the same length.

Thus

Length\ of\ each\ rope = \frac{29.8}{3}

Length\ of\ each\ rope = 9.93\ feet(Approx)

Therefore the length of the each rope is 9.93 feet (Approx).



3 0
3 years ago
What is 2(3x + 12y - 5 - 17x - 16y +4) simplified?
fiasKO [112]

Answer:

<h2>2(-14x-4y-1) / -28x-8y-2</h2>

Step-by-step explanation:

2(3x + 12y - 5 - 17x - 16y +4)

the 2 outside the bracket means we need to multiply everything by 2

=

6x+24y-10-34x-32y+8

now put all the like-terms together

6x-34x+24y-32y+8-10

now add them together

=-28x-8y-2

now find the HCF

2

put 2 outside the bracket and then divide every number by 2

2(-14x-4y-1)

this is as simplified it can get

5 0
3 years ago
The fourth term of the sequence is 216. The sixth term is 96.
victus00 [196]

start with 396 , then subtract 60

6 0
3 years ago
The answer is A right?
Sophie [7]

Answer:

C. 42

Step-by-step explanation:

<em>PEMDAS</em>

1. Parentheses: (4 + 2) = <em>6</em>

6² + 3 • 2

2. Exponents: 6² = <em>36</em>

36 + 3 • 2

3. Multiplication/Division: 3 • 2 = <em>6</em>

36 + 6

4. Addition/Subtraction: 36 + 6 = <em>42</em>

42

4 0
3 years ago
Find the range of possible measures of x if each set of expressions represents measures of the sides of a triangle.
sergiy2304 [10]

Answer:

  • C. x > 3/2

Step-by-step explanation:

<u>According to the triangle inequality theorem, any side length is less than the sum of the other two:</u>

  • x < 2x + 1 + x + 4 ⇒ x < 3x + 5 ⇒ 2x > - 5 ⇒ x > - 2.5
  • 2x + 1 < x + x + 4 ⇒ 2x + 1 < 2x + 4 ⇒ 1 < 4, any value of x
  • x + 4 < x + 2x + 1 ⇒ x + 4 < 3x + 1 ⇒ 2x > 3 ⇒ x > 3/2

<u>Common solution of the three inequalities above is:</u>

  • x > 3/2

Correct choice is C

8 0
3 years ago
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