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Gnesinka [82]
3 years ago
12

Mrs. Giuntini’s lawn is triangle shaped with a base of 25 feet and a height of 10 feet. What is the area of Mrs. Giuntini’s lawn

? please helpp
Mathematics
2 answers:
Anna35 [415]3 years ago
7 0

Answer:

125ft2

Step-by-step explanation:

Vedmedyk [2.9K]3 years ago
4 0

area \:  =  \frac{1}{2} bh \\ area \:  =  \frac{1}{2} (25)(10) \\ area =  \frac{1}{2} 250 \\ area = 125 \: feet ^{2}

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Since 7y and 5y has the same variable, add them together.

7y + 5y = 12y

We get 12y, so y has to multiply 12 to get 16. I divided 16 by 12, which got me 1.3333333.

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3 years ago
Simplify as far as possible without using a calculator.2√3×4√5
maks197457 [2]

Answer:

= 8√15

Step-by-step explanation:

Steps

2√3 x 4√5

Apply radical rule: √a√b=√ab.

√3 √5 = √3x 5

=2√3x 5 x 4

Multiply the numbers: 3 x 5= 15

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Multiply the numbers: 2 x 4 =8

= 8√15

2√3 x 4√5 = 8√15 (Decimal: 30.98386..)

7 0
2 years ago
What is the surface area of the cylinder shown? Use 3.14 for pie. 4cm for the Radius, and 9cm for the height.
Volgvan

Answer:

326.73cm²

Step-by-step explanation:

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5 0
3 years ago
Write the equation of each line using the given information.
Scorpion4ik [409]

The equations are: A :y= -5x +11.5 B: y=4x+3 C.y=1 and D : y=4

Step-by-step explanation:

You can write the equations of the lines in the slope intercept form, y=mx+c where m is the slope of the line, and c is the y-intercept value of the line.

A.

The points ( 2 , 1 . 5 ) and ( − 5 , 36 . 5 ) both lie on the line.

finding the slope of the line using the points

slope, m=rise/run

rise=Δy=36.5-1.5=35

run=Δx=-5-2= -7

m= Δy/Δx= 35/-7 =-5

Equation of a the line, with m=-5 and point (2,1.5) in slope intercept form will be;

m=Δy/Δx = -5 =y-1.5/x-2

-5(x-2) = y-1.5

-5x+10=y-1.5

-5x+10+1.5=y

⇒⇒y= -5x +11.5 ------------ the equation of the line

B.

The slope m is given as 4 and point (3,15)

m=rise/run

m=Δy/Δx

4=y-15/x-3

4(x-3)= y-15

4x-12 = y-15

4x-12+15=y

4x+3=y

⇒⇒y=4x+3 -------------------the equation of the line in slope-intercept form

C.

The equation given is y=1, which is a horizontal line with y-intercept value as 1

The slope here is 0

Given points (3,-1) and m=0

m=Δy/Δx

0=y--1/x-3

0=y+1/x-3

0(x-3)=y+1

0=y+1

⇒⇒equation of line will be y=1

D.

Given slope of line as m=2, and the y-intercept at (0,4) then the equation will be

m=Δy/Δx

2=y-4/x-0

2(x-0)=y-4

0=y-4

y=4 ⇒⇒⇒⇒the equation of the line

Learn More

Equation of a line : brainly.com/question/8865631

Keyword : equation, line, points

#LearnwithBrainly

8 0
3 years ago
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