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2 years ago

I will make corect awnser brainliest

Mathematics

1 answer:

USPshnik [31]2 years ago

3 0

Answer:

Step-by-step explanation:

90-63=27

its a 90 degree angle

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12. Use a trigonometric ratio to find the measure of O in the triangle below. Give your answer to the nearest degree.

larisa [96]

Given :-

A right angled triangle with two sides 10cm and 9cm .

To Find :-

The value of theta .

Solution :-

At angle theta , 9cm side will be considered as the perpendicular and 10cm side will be hypotenuse . So , as we know that ;

$\longrightarrow sin\theta =\dfrac{perpendicular}{hypotenuse}$

Substituting the respective values,

$\longrightarrow sin\theta =\dfrac{9cm}{10cm}$

Simplify,

$\longrightarrow sin\theta= 0.9$

Take arcsin both sides ,

$\longrightarrow \theta =sin^{-1}(0.9)$

$\\\longrightarrow\underline{\underline{\theta = 64.15^o }}$

Hence the required answer is 64.15° . 

6 0

2 years ago

Calculate the circumference of the cirlce r=2.5 m

dlinn [17]

$C= 2 \pi *R

C= 2 \pi *2,5

C= 5 \pi$

4 0

3 years ago

Read 2 more answers

Please see attached below and please explain how to solve.

densk [106]

Answer:

The 6% simple interest account earns more interest in 2 years.

Step-by-step explanation:

You can compare the multipliers in the interest formulas.

For simple interest, the amount in the account (A) starting with principal P and earning at rate r for t years will be ...

A = P(1 +rt)

For the values given, r=.06 and t=2, the multiplier is ...

1 +rt = 1 +.06·2 = 1.12

For interest compounded annually, the amount will be ...

A = P(1 +r)^t

For the given values, the multiplier is ...

(1+r)^t = (1.04)^2 = 1.0816

Since 1.12 > 1.0816, the account earning simple interest will earn more interest.

5 0

3 years ago

Jordan has $275.00 in his bank account the bank will pay jordan 4% interest per year on the value of hois account if jordan does

Sunny_sXe [5.5K]

Answer:

$\$286.00$

Step-by-step explanation:

we know that

The simple interest formula is equal to

$A=P(1+rt)$

where

A is the Final Investment Value

P is the Principal amount of money to be invested

r is the rate of interest

t is Number of Time Periods

in this problem we have

$t=1\ years\\ P=\$275.00\\r=4\%=4/100=0.04$

substitute in the formula above

$A=275.00(1+0.04*1)$

$A=275.00(1.04)$

$A=\$286.00$

8 0

2 years ago

What is the equation of a line that is perpendicular to - x + 2y = 4 and passes through the point (-2,1)

Damm [24]

Perpendicular has slope that multiplies to -1

the slope for ax+by=c is -a/b
-1x+2y=4
slope=-(-1)/2=1/2
1/2 times what=-1?
-2

y=mx+b
m=slope
we need slope is -2
y=-2x+b
find b
given
(-2,1)
(x,y)
x=-2 and y=1 is a solution

1=-2(-2)+b
1=4+b
mius 4 both sides
-3=b

y=-2x-3 is equation

first one

3 0

3 years ago