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3 years ago

Solve by substitution3x - 3y = -6 z=-3x-3y+9 -4x+5y+z=8

Mathematics

1 answer:

Vanyuwa [196]3 years ago

4 0

1. Y= x+2
2. Y=Y
3. E^2 Al^3 ^2 anumbs

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Find the mode of the following data: 5, 0, 5, 4, 12, 2, 14

Arte-miy333 [17]

Answer:

Step-by-step explanation:

5 0

2 years ago

find the square root of each of the following decimal numbers correct to two places of decimal : I. 175.01 II. 423.74 III. 5893.

netineya [11]

Answer:

i. 13.23

ii. 20.58

iii. 76.77

iv. 84.48

Step-by-step explanation:

Here , we are to calculate the square root of we have of the decimal numbers and correct to two decimal places.

i. √(175.01) = 13.229 = 13.23

ii. √(423.74) = 20.5849 = 20.58

iii. √(5893.27) = 76.767 = 76.77

iv. √(7136.8) = 84.4795 = 84.48

Kindly note that the approximation to two decimal places are the figures after the equal to

3 0

2 years ago

Can someone help me with this please!

Vinil7 [7]

Answer:

This is really easy, take away all 1s and multiplication sign.

Step-by-step explanation:

And then it means 25=25

3 0

2 years ago

What is the tru solution to the logarithmic equation below? Log4[log4(2x)]=1

zaharov [31]

$\log_4(\log_42x)=1$

Take both sides as powers of 4:

$4^{\log_4(\log_42x)}=4^1\implies\log_42x=4$

Do it again:

$4^{\log_42x}=4^4\implies2x=(2^2)^4=2^8\implies x=2^7=128$

3 0

3 years ago

What is the trigonometric ratio for sin Z ?

Schach [20]

In all right triangles, the ratio between a leg and the hypothenuse is the sine of the angle opposite to the leg.

So, in your case, we have

$\sin(Z) = \dfrac{XY}{XZ}$

In order to find XY, we have

$XY = \sqrt{XZ^2-YZ^2} = \sqrt{1600-1024}=\sqrt{576} = 24$

So, the ratio for the sine is

$\sin(Z) = \dfrac{XY}{XZ} = \dfrac{24}{40} = \dfrac{3}{5}$

6 0

2 years ago