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solong [7]
3 years ago
5

LeAnn is purchasing.giftwrap for a box that measures 8 inches long, 6 inches wide, and 6 inches tall. Calculate the total area o

f the box that will be covered in.giftwrap.
Mathematics
1 answer:
elena-14-01-66 [18.8K]3 years ago
6 0

Answer:

264\ in^2

Step-by-step explanation:

The total are of cuboid with length of l inches, width of w inches and height of h inches is

SA=2(lw+lh+wh)\ in^2

In your case,

l=8\ in\\ \\w=6\ in\\ \\h=6 \ in

Thus,

SA=2(8\cdot 6+8\cdot 6+6\cdot 6)\\ \\=2(48+48+36)\\ \\=2\cdot 132\\ \\=264\ in^2

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Find the interest<br> earned:<br> $26,000 for 36 months<br> at 7.5% annual<br> compound interest
stich3 [128]

Answer:

Interest = $6,300 (Approx.)

Step-by-step explanation:

Given:

Amount deposit (P) = $26,000

Number of month = 36 month

Number of year (n) = 36 / 12 = 3 year

Rate of interest (r) = 7.5% = 0.075  

Find:

Interest  earned

Computation:

Interest = p[(1+r)ⁿ-1]

Interest = 26,000[(1+0.075)³-1]

Interest = 26,000[(1.075)³-1]

Interest = 6,299.71

Interest = $6,300 (Approx.)

7 0
2 years ago
Nancy put new insulation in her attic and discovered that her heating bill for December decreased from $160 to $100. What is the
WINSTONCH [101]

Answer:

37.5% decrease

Step-by-step explanation:

To find a relative percentage you generally follow the rule of part divided by whole.

$100 / $160 = .625 (62.5%)

So $100 is 62.5% of $160

To find the decrease we need to subtract 62.5% from 100%

100 - 62.5 = 37.5

4 0
2 years ago
Based on her recipe, Elena knows that 5 servings of granola have 1,750 calories. 1. if she eats 2 servings of granola, how many
Tatiana [17]
1. 700 calories
2. Half a serving
3.x=serving
350x=calories
5 0
3 years ago
Read 2 more answers
Hayley begins solving this problem by combining like terms. 3x + 5x = 10 Which problem begins the same way? A) 5x = 20 B) 3(x +
joja [24]

Solution: The given equation is →3 x+ 5 x=10

As you can see in the above equation on left side of equation the two terms are variables and on right side of equation the term is a constant term.Also you can see there is an operation called addition between the two variables on left side of equation.

In option (A), there is only a single term on right as well as left,so this can't be true.

In option (B), there is a constant and variable on left side of equation.So this is also untrue.

In option (C), variable being divided by numerator, so this is also untrue.

Option (D)3 x - 2 x = 10,  is surely correct , because there are two variables on left side of equation and one constant on right side of equation, and there is an operation called subtraction between them .

6 0
3 years ago
Solve for t in terms of the other variables. <br> k= 3tm + rs
Lina20 [59]

Answer:

              t=\dfrac{k-rs}{3m}

Step-by-step explanation:

It's like solving any equation, except we have letters instead of numbers .

k = 3tm + rs           {subtract rs from both sides}

k - rs = 3tm            {divide both sides by (3m)}

\dfrac{k-rs}{3m}=t              {swap sides}

t=\dfrac{k-rs}{3m}            m≠0    

{m must be ≠0 because  you cannot divide by 0. There is no t for m=0}    

4 0
2 years ago
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