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3 years ago

6

Write the equation of the line that passes through the points (7,7) and (-7, -7). Put your answer in fully reduced point-slope f

orm, unless it is a vertical or horizontal line.

1 answer:

choli [55]3 years ago

6 0

I got y=x but I’m not sure if that’s correct

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A radio-controlled helicopter sells for $20, but needs a lithium battery that costs 25% of that price. A sales tax of 6% will be

Diano4ka-milaya [45]

Answer:

The total cost of the helicopter = $26.5

The cost of lithium battery = $5.

The amount of sales tax = $1.5

Step-by-step explanation:

We have been given that a radio-controlled helicopter sells for $20, but needs a lithium battery that costs 25% of that price.

We can find the price of battery by finding 25% of 20.

$\text{The cost of lithium battery}=\frac{25}{100}\times 20$

$\text{The cost of lithium battery}=\frac{25}{5}$

$\text{The cost of lithium battery}=5$

Therefore, the cost of lithium battery is $5.

Now let us find the sales tax on the cost of helicopter and lithium battery.

$\text{Total sales tax}=\frac{6}{100}\times (20+5)$

$\text{Total sales tax}=0.06\times (25)$

$\text{Total sales tax}=1.5$

Therefore, the total sales tax will be $1.5.

We can find the total cost of helicopter by adding the cost of helicopter, cost of lithium battery and total amount of sales tax.

$\text{The total cost of helicopter}=20+5+1.5$

$\text{The total cost of helicopter}=26.5$

Therefore, the total cost of helicopter will be $26.5.

4 0

3 years ago

How do you solve -5+5/3x=2

allsm [11]

Add 5 to both sides
Multiply by the reciprocal of 5/3 (3/5)

5 0

3 years ago

V=4/3 3.14 18*18*18 what is the volume of the sphere

podryga [215]

Answer:

24416.64

Step-by-step explanation:

Based on the standard formula,4/3×π×r^3

The π has been given already and r=18

4/3×3.14×18^3

V=24416.64

8 0

3 years ago

What does (d+3) represent in 4.5(d+3)=45

Scrat [10]

Answer:

(d + 3) would be 10

Step-by-step explanation:

<u>Step 1: Distribute</u>

$4.5(d + 3) = 45$

$(4.5 * d) + (4.5 * 3) = 45$

$4.5d + 13.5 = 45$

<u>Step 2: Subtract 13.5 from both sides</u>

$4.5d + 13.5 - 13.5 = 45 - 13.5$

$4.5d = 31.5$

<u>Step 3: Divide both sides by 4.5</u>

$\frac{4.5d}{4.5} = \frac{31.5}{4.5}$

$d = 7$

<u>Step 4: Determine what (d+3) is</u>

$(d + 3)$

$(7 + 3)$

$10$

Answer: (d + 3) would be 10

3 0

2 years ago

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What is the equation of the graphed line written in standard form?

Marianna [84]

Answer:

The answer is A)x = –3

Step-by-step explanation:

y=0 x=-3

3 0

3 years ago

Read 2 more answers