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2 years ago

Help out Aaaaaaaañññña

Mathematics

1 answer:

frez [133]2 years ago

6 0

Answer:

The answer is 5.5

Step-by-step explanation:

+11-1/2 = +×– = += 5.5

You might be interested in

What is the sum of the last 5 terms of the series 1 9 17... 49?

drek231 [11]

The series is increasing by 8 each time.

So that means the complete series is:
1, 9, 17, 25, 33, 41, 49

Add the last 5 digits:
49 + 41 + 33 + 25 + 17 = 165

Answer:
165

4 0

3 years ago

Read 2 more answers

Fill in the missing value to make the equations true.

Furkat [3]

Answer:

a) 7/4 b) 5 c) 2

Step-by-step explanation:

Logrithmic Rule for a and b

Let a, M, N be positive real numbers.

logaM - logaN = loga(M/N)

log9(7) - log9(4) = log9 (7/4)

logaM + logaN = logaMN

log2 (x) + log2(9) = log2(45)

x9=45

(x9)/9 = 45/9

x = 5

Change of base formula.

logb(x)=logd(b)/logd(x)

x log6(5) = log6(25) divide each term by log6(5)

x log6(5) / log6(5) = log6(25) / log6(5) Cancel common factor log6(5)

x = log6(25) / log6(5)

x = log6(5^2) / log6(5)

Expand log6(5^2) by moving 2 outside the logarithm.

x = 2log6(5) / log6(5) cancel the like term log6(5)

x = 2

7 0

3 years ago

The side lengths of the following right triangle 15,20 and 25, as shown below. The altitude from the right angle splits the hypo

kompoz [17]

Answer:

$h = 12$

$x = 9$

$y= 16$

Step-by-step explanation:

Given

The attached triangle

Required

Find h, x and y

Let the base of the triangle be 15.

So, the area is:

$A = \frac{1}{2} * 15 * 20$

$i.e\ height = 20$

$A = \frac{1}{2} * 300$

$A = 150$

Let the base of the triangle be 25.

So, the area is:

$A = \frac{1}{2} * 25 * h$

$i.e\ height = h$

$A = \frac{1}{2} * 25h$

Substitute $A = 150$

$\frac{1}{2}*25h = 150$

Solve for h

$h = \frac{150 *2}{25}$

$h = 6 *2$

$h = 12$

Considering the smallest triangle

$Hypotenuse = 15$

So:

$15^2 = h^2 + x^2$

$15^2 = 12^2 + x^2$

This gives:

$15^2 - 12^2 = x^2$

$81 = x^2$

Take square roots

$9 =x$

$x = 9$

Solving for y

$x + y = 25$

$y= 25 - x$

$y= 25 - 9$

$y= 16$

7 0

2 years ago

-5,-6,0,6 which pair of numbers has a sum of zero

ladessa [460]

Answer:

-6, 6

Step-by-step explanation:

I hope this helps :)

7 0

3 years ago

PLZ help i do know the answer to this already from another brainly question but i just would like to understand how its solved s

amm1812

Answer:

66.56 cm

Step-by-step explanation:

<u>The figure consist of:</u>

1. A rectangle with sides 10 cm and 17 cm
2. A quarter circle

<u>The perimeter is:</u>

P = 1/4C + 2*10 + 17 + (17 - 8) + 8
P = 1/4*2*3.14*8 + 54 = 66.56 cm

4 0

2 years ago