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Lilit [14]
3 years ago
13

Find the surface area of the pyramid. Correct answer will be marked brainliest!!!!

Mathematics
1 answer:
stepladder [879]3 years ago
5 0

Answer:

178.3 mm²

Explanation:

The surface area of the regular pyramid is equal to the sum of the base and lateral areas:()

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Stan wants to start an IRA that will have $250,000 in it when he retires in 25 years. How much should he invest semiannually in
beks73 [17]
$1,041,666.70 I'm not sure but that what I think the answer is

8 0
4 years ago
Point e,d, and h are the midpoints of the sides of the triangle TUV. UV = 80, TV=100, and HD = 80
antiseptic1488 [7]

Answer:

Step-by-step explanation:

We will use to midsegment theorem to solve this question.

Midsegment theorem,

Segment joining the midpoints of two sides of a triangle, is parallel and and measure the half of the the third side.

7). HE is the midsegment.

   HE = \frac{1}{2}(VU)

         = \frac{1}{2}\times (80)

         = 40

8). ED = \frac{1}{2}\times (TV)

          = \frac{1}{2}(100)

          = 50

9). HD = \frac{1}{2}(TU)

    TU = 2(HD)

          = 2(80)

          = 160

10). TE = \frac{1}{2}(TU)

           = \frac{1}{2}\times 160

           = 80

4 0
3 years ago
Leila's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Leila $5.85 per pound, and type
Jobisdone [24]
A + b = 147....a = 147 - b
5.85a + 4.40b = 786

5.85(147 - b) + 4.40b = 786
859.95 - 5.85b + 4.40b = 786
-5.85b + 4.40b = 786 - 859.95
- 1.45b = -73.95
b = -73.95 / -1.45
b = 51 <== she used 51 lbs of type B coffee

8 0
3 years ago
Si el area del cuadrado es de 80 m cuanto vale la m​
Ilia_Sergeevich [38]

Answer:

El lado del cuadrado es de 20 my el área del cuadrado es de 400 metros cuadrados. Paso a paso ... El perímetro de un cuadrado es 80 m. ¿Cuál es la longitud de cada lado del cuadrado ... Para celosía & lt; L, * & gt; si a, b, ce L thena + (a e b) = a se llama.

Step-by-step explanation:

4 0
3 years ago
Solve for x in the equation:<br> 3 over 7 x + 5 = 8 <br> — please help i will give brainliest!
Eddi Din [679]

Answer:

3/7 x +5=8

move 5 to the other side

3/7 x= 8-5

3/7 x= 3

then move 7 to the other side it's sign is ÷ it will be ×

then 3x=3×7

3x=21

then move 3to the other side it's sign is × it will become ÷

x= 21/3

x= 7

5 0
3 years ago
Read 2 more answers
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