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3 years ago

Help please it’s for home work

Mathematics

1 answer:

Dmitry [639]3 years ago

6 0

Slope would be 2
Y intercept would be 2
y = 2x + 2

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I need help the test is time and i have 5 min left can y'all pls help pls

lesya [120]

Answer:

divide the figure into two parts.

area of square = side²

area of square =12²

area of square =144

area pf trapezium =1/2×(a+b)×h

area of trapezium =1/2×(12+6)×12

area of trapezium =108

area of polygon=144+108=252 unit²

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3 years ago

Can someone help me with this

Inga [223]

Answer:

95% = Within two standard deviations from the mean

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68% = Within one standard deviation from the mean

Step-by-step explanation:

I hope this helped! If it did, please click "Thanks" to help me out!

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2 years ago

A) Will the ordered pairs listed in the table form a straight line when plotted? Explain

Sladkaya [172]

Answer:

for A: yes

Step-by-step explanation:

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3 years ago

How would you use a number line to order integers from least to greatest

Artyom0805 [142]

Order the elevations from least to greatest. First, graph each integer. Then, write the integers as they appear on the number line from left to right.

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4 years ago

(a) The perimeter of a rectangular field is 310 m.

Softa [21]

Answer:

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a. $\boxed{ \bold{ \boxed{ \sf{width \: of \: rectangular \: field \: = 71 \: meter}}}}$

b. $\boxed{ \bold{ \boxed{ \sf{length \: of \: rectangular \: painting \: = 85 \: cm}}}}$

Step-by-step explanation:

a. Given,

Perimeter of rectangular field ( P ) = 310 m

Length of the field ( L ) = 84 m

Width of the field ( W ) = ?

Finding the width of the rectangular field

$\boxed{ \sf{perimeter \: of \: rectangle = 2(l + w)}}$

plug the values

⇒ $\sf{310 = 2(84 + w)}$

Distribute 2 through the parentheses

⇒ $\sf{310 = 168 + 2w}$

Swap the sides of the equation

⇒ $\sf{168 + 2w = 310}$

Move 168 to right hand side and change it's sign

⇒ $\sf{2w = 310 - 168}$

Subtract 168 from 310

⇒ $\sf{2w = 142}$

Divide both sides of the equation by 2

⇒ $\sf{ \frac{2w}{2} = \frac{142}{2} }$

Calculate

⇒ $\sf{w = 71 \: m}$

Width = 71 meters

------------------------------------------------------------

2. Given,

Area of rectangular painting ( A ) = 5185 cm²

Width of the painting ( w ) = 61 cm

Length of the painting ( l ) = ?

Finding length of the painting

$\boxed{ \sf{area \: of \: rectangle = l \times w}}$

plug the values

⇒ $\sf{5185 = 61l}$

Swap the sides of the equation

⇒ $\sf{61 \: l \: = 5185}$

Divide both sides of the equation by 61

⇒ $\sf{ \frac{61 \: l}{61} = \frac{5185}{61} }$

Calculate

⇒ $\sf{l = 85}$ cm

Length = 85 cm

Hope I helped!

Best regards !!!

4 0

3 years ago