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1 year ago

Please hurry its due in 5 mins

Mathematics

2 answers:

Oksi-84 [34.3K]1 year ago

5 0

26 I think like 90% sure

Tpy6a [65]1 year ago

3 0

Answer:

Divide the shape in two pieces:

A rectangle and a triangle

Find area of rectangle:

A=length*width=5*4=20m^2

Find area of triangle:

base of triangle=5-2=3m

height of triangle=8-4=4m

Area=(1/2)*base*height

=(1/2)(4)(3)=6m^2

Total area=6+20=26m^2

Hope it helps!

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3x-2y=10. 4x-y=6. solve each of the pair of simultaneous linear equation by substitution method

brilliants [131]

Answer:

x = 2/5, y= -22/5

Step-by-step explanation:

4x−y=6;3x−2y=10

Step: Solve4x−y=6for y:

4x−y+−4x=6+−4x(Add -4x to both sides)

−y=−4x+6

-y/-1 = -4x +6 over -1 (Divide both sides by -1)

y=4x−6

Step: Substitute4x−6for y in 3x−2y=10:

3x−2y=10

3x−2(4x−6)=10

−5x+12=10(Simplify both sides of the equation)

−5x+12+−12=10+−12(Add -12 to both sides)

−5x=−2

-5x/-5 = -2/5 (Divide both sides by -5)

x= 2 /5

Step: Substitute 2/ 5 for x in y=4x−6:

y=4x−6

y=4 ( 2/ 5 ) −6

y= −22 /5

(Simplify both sides of the equation)

x = 2/5, y= -22/5

4 0

3 years ago

Round 1,965 to the nearest tenth

AysviL [449]

Step-by-step explanation:

1965 round to the nearest tenth is 1970

3 0

3 years ago

Read 2 more answers

Given f(x)=12x−5, find f(4). To earn full credit, show your work using a method explained in the Orientation.

Anvisha [2.4K]

Step-by-step explanation:

Given,

f(x) = 12x - 5

as,

f(4) so,

f(4) = 12(4) - 5 

= 48 - 5 = 43 ans.

hope this helps you dear take care!

4 0

3 years ago

Which equation does this image represent?

nirvana33 [79]

Given:

Image of the ellipse

To find:

The equation of the image

Solution:

The given image is a ellipse.

Center of the ellipse = (0, 0)

x-axis points are (-3, 0) and (3, 0).

y-axis points are (2, 0) and (-2, 0).

Standard form of equation of ellipse:

$$\frac{(x-h)^{2}}{a^{2}}+\frac{(y-k)^{2}}{b^{2}}=1$

where (h, k) is the center = (0,0)

a is the point on x-axis where y = 0. Hence a = 3.

b is the point on y-axis where x = 0. Hence b = 2.

Substitute this in the standard form of ellipse.

$$\frac{(x-0)^{2}}{3^{2}}+\frac{(y-0)^{2}}{2^{2}}=1$

$$\frac{x^{2}}{9}+\frac{y^{2}}{4}=1$

To make the denominator same multiply 1st term by $\frac{4}{4}$ and 2nd term by $\frac{9}{9}$ .

$$\frac{4x^{2}}{4\times9}+\frac{9y^{2}}{9\times4}=1$

$$\frac{4x^{2}}{36}+\frac{9y^{2}}{36}=1$

$$\frac{4x^{2}+9y^{2}}{36}=1$

Multiply by 36 on both sides

$$\frac{4x^{2}+9y^{2}}{36}\times 36=1\times 36$

$${4x^{2}+9y^{2}}={36}$

The equation of the image is $${4x^{2}+9y^{2}}={36}$ .

8 0

3 years ago

pickupchik [31]

Answer:

Step-by-step explanation:

31 + 371 + 21 = 423

31/423 = 7%

8 0

2 years ago