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3 years ago

I have no clue what to do please help

Mathematics

1 answer:

Alborosie3 years ago

8 0

The easiest way to solve this is to convert all of the values to a decimal value, and then order the numbers as you normally would.

1/5=0.2
-4.06
10/5=2
-4.30

Now that we know the decimal values, we can simply place them from least to greatest. -4.30, -4.06, 1/5, 10/5 is the correct order.

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In ΔJKL, l = 860 inches, j = 920 inches and ∠K=126°. Find ∠L, to the nearest degree.

fomenos

Answer:

Step-by-step explanation:

JKL= ABC, jkl=abc

1.) use law of sines to find k.

$c^{2} =a^{2} +b^{2} -2abCosC$

$c=\sqrt{920^{2} +860^{2} -2(920)(860)cos(126) } = 1586.225515$

2.) use law of cosines to find L

$\frac{a}{sinA} =\frac{b}{sinB} =\frac{c}{sinC}$

plug in for b and c: $\frac{860}{sinB} =\frac{1586.225515}{sin126}$

cross multiply: $\frac{1586.23sinB}{1586.23} =\frac{860sin126}{1586.23}$

$sinB= 0.4386227612\\B=sin^-1(0.4386227612)= 26.01604086\\$

L=26

5 0

3 years ago

1 2 3 4 .... 1002 what is the sum of the sequence

Reika [66]

<span>As far as i know it is related to Gauss.
Write the sequences forward and backward first.

1 +2 +3 +.....+1002
1002+1001+1000+.....+1
--------------------------------------... Adding them
1003+1003+......(1002 times)
=1002x1003
But this contains the series twice.
So, the sum is = 1002x1003/2=501x1003=502503. answer</span>

3 0

3 years ago

( Identify the terms, their coefficients for each of the following expressions)

sweet-ann [11.9K]

Answer:

i. terms = 5xy(z)^2 , -3zy

coefficient = 5 and -3

ii. terms = 1 , X ,x^2

coefficient = 1 , 1

iv. terms = 3 , -pq , qr, -rp

coefficient = -1 ,1 , -1

v. terms = X/2 , y/2 , -xy

coefficient= 1/2 ,1/2 and -1

7 0

3 years ago

If you vertically compress the linear perent function, F(x) = x, by multiplying by 1\2

andrezito [222]

Answer: $y=\dfrac12 x$ .

Step-by-step explanation:

We know that $a f (x)$ compresses f(x) vertically such that

if 0 < a < 1 (a fraction), the graph is compressed vertically by a factor of a units.
if a > 1, the graph is stretched vertically by a factor of a units.

If we vertically compress the linear parent function, F(x) = x, by multiplying by $\dfrac12$ .