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erastova [34]
3 years ago
11

What is the slant height of the cone that has a radius of 15 centimeters and a height of 36 centimeters.

Mathematics
1 answer:
konstantin123 [22]3 years ago
3 0
The slant height is 39. If you need work show, let me know.
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Help me plz ASAP! This is Geometry. Please show work if there is any. Will give brainliest to whoecer answers these​
Naddik [55]

Answer:

Step-by-step explanation:

23.m∠2=x+60

as the sides are equal.

so angles are also equal.

m∠2=45

x+60=45

x=45-60=-15°

so C

24.

74+74+m∠2=180

m∠2=180-148=32°

so 3x-4=32

3x=32+4=36

x=12°

C

25.

as the three sides are equal so angle are equal.

m∠2=60

7x-10=60

7x=60+10=70

x=10

D

4 0
3 years ago
In the right triangle shown m
____ [38]

Answer:

we need a picture or something to look at to know what the question is

Step-by-step explanation:

6 0
3 years ago
Calcular cuántos números impares hay entre 20 y 50 y calcular su suma​
const2013 [10]

Answer:

<em>La suma de los impares entre 20 y 50 da 875</em>

Step-by-step explanation:

<u>Suma de Progresiones Artiméticas </u>

Una progresión aritmética es aquella en la cual, cada término se obtiene como el anterior mas una cantidad fija llamada diferencia común. El término general de una progresión aritmética es

a_n=a_1+(n-1)r

Donde a_1 es el primer término, n el número de términos y r la diferencia común o radio. La suma de los primeros n términos se calcula como:

\displaystyle S_n=n\frac{a_1+a_n}{2}

En nuestro ejercicio, se deben sumar los números impares entre 20 y 50, se forma la progresión

21, 23, 25, 27, ....49

Sabemos que a_1=21,\ a_n=49,\ r=2

Primero averiguamos cuántos términos son, despejando n del término general

\displaystyle n=\frac{a_n-a_1}{r}+1

\displaystyle n=\frac{49-21}{2}+1

\displaystyle n=25

La progresión tiene 25 términos

Ahora la suma es

\displaystyle S_{25}=25\frac{21+49}{2}

\displaystyle S_{25}=25\frac{70}{2}

S_{25}=875

La suma de los impares entre 20 y 50 da 875

6 0
4 years ago
calculate the amount that will be in the bank after 4years if R3500 was invested at 9% p.a. simple interest​
Strike441 [17]

Answer:

4760

Step-by-step explanation:

Simple interest= principal× time ×rate/100

=3500×4×9/100

= 1260

Amount that will be in the bank after 4years= 3500+1260

=4760

6 0
3 years ago
Evaluate f(x)= -2x for x=3
cluponka [151]
Replace all x's with the value of x.

f(x) = -2x becomes f(3) = -2(3)

f(3) = -2(3)
f(3) = -6

So, -6 is the answer.
8 0
3 years ago
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