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4 years ago

11

What is the lateral surface area of the triangular pyramid shown? Round to the nearest tenth. A triangular pyramid. The base has

a base of 12 and height of 12. A side has a base of 12 and height of 7.8. The other 2 sides have a base of 10 and height of 8.

1 answer:

allsm [11]4 years ago

6 0

Answer:b

Step-by-step explanation:

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-2(6 - 3n) + 27n = -3(n - 8)

Rama09 [41]

Answer:

n=1

Step-by-step explanation:

-2(6 - 3n) + 27n = -3(n - 8)

-12+6n+27n=-3n+24

-12+33n=-3n+24

----------------------------

33n=-3n+36

+3 +3

-------------

36n=36

---- ----

n=1

5 0

3 years ago

Read 2 more answers

aleksley [76]

The volume of the given rectangular prism is option C. $24 un^{3}$ .

Step-by-step explanation:

Step 1:

The dimensions of the given rectangular prism are 4 units × 3 units × 2 units.

So we take the length equals 4 units, the width is equal to 3 units and the height is 2 units.

Step 2:

The volume of this rectangular prism is calculated by multiplying the given prism's length, its width, and its height.

The Volume of the given rectangular prism = $( Length) (Width) (Height) = (4units) (3units) (2 units) = 24 unit^{3} .$

So the given right rectangular prism's volume is $24 unit^{3}$ which is option C.

8 0

3 years ago

Solve the proportion for n.<br> 1260/20=n/1

zzz [600]

Answer: n = 63

Step-by-step explanation:

1260/20 = n/1

63/1 = n/1

n = 63

4 0

3 years ago

Suppose you invest $25,000 at simple interest rate r. If you receive $1,250 in total interest after four years, what is the inte

Misha Larkins [42]

$\text{Hello!}$

$\large\boxed{1.25\%}$

$\text{Use the simple interest formula I = P * r * t where:}\\\\\text{I = amount of interest}\\\text{P = principle (initial amount)}\\\text{r = interest rate}\\\text{t = time period}\\\\\text{Substitute the known values from the problem:}\\\\1250 = 25000 * r * 4\\\\1250 = 100000r\\\\r = 0.0125\\\\\text{Convert to a percentage:}\\\\0.0125 * 100 = 1.25\%$

3 0

4 years ago

Read 2 more answers

To prepare for a bake-off, Luis used 590 grams of flour each day for 3 weeks. How many kilograms did Luis use in those 3 weeks?

Thepotemich [5.8K]

Answer: $12.39\ kg$

Step-by-step explanation:

Given

Luis used 590 gm of flour each day

If he continues to use it for 3 weeks

A week has 7 days; so 3 weeks have 21 days

The flour used in 21 days

$\Rightarrow 21\times 590\\\Rightarrow 12,390\ g\ \text{or}\ 12.39\ kg$

Thus, $12.39\ kg$ of flour is used in 3 weeks

7 0

3 years ago