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enyata [817]
2 years ago
14

Hello please help i’ll give brainliest

Mathematics
1 answer:
valkas [14]2 years ago
7 0

Answer:

gravitational potential energy

Step-by-step explanation:

cuz its being lifted

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Norma Ann planned a rectangular courtyard, as shown in the scale drawing below. She decides to change the width, the shorter sid
trapecia [35]

Answer: 45 / 40 ft

Step-by-step explanation:

Given that She decides to change the width, the shorter side of the courtyard, from 45 ft to 40 ft. Which expression finds the change in the scale factor?

Actual width of shorter side = 45 ft

New width of shorter side = 40 ft

Scale factor is the ratio of the actual length to the new or intended length

Scale factor = Actual width / New width

Hence, scale factor :

45 ft / 40 ft

7 0
3 years ago
Which pair of triangles can be proven similar?
sladkih [1.3K]

Answer:l and ll

Step-by-step explanation:

8 0
3 years ago
Y = x^2+5x-3<br> y-x=2<br><br> What is the solution of the linear-quadratic system of equations
Sunny_sXe [5.5K]

Answer:

(-5,-3)

(1,3)

Step-by-step explanation:

Solving with substitution

Set both equations to y =  ...

y = x^2 + 5x - 3

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

y - x =2

y = x + 2

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

Substitute one of the Y's with the other Y = equation.

x + 2 = x ^2 + 5x -3

Set one side to 0

0 = x^2 + 4x -5

x^2 + 4x - 5 = 0

Simplify by factoring

(x-1) (x+5)

Get your X values

x-1 = 0

x = 1

x+5 = 0

x = -5

Plug in each X into one of the equations to get your Y value.

1st X

y = x + 2

y = 1 + 2

y = 3

When X = 1, Y = 3

2nd X

y = x + 2

y = -5 + 2

y = -3

When X = - 5, Y = -3

Your answers are (1,3) and (-5,-3)

8 0
2 years ago
Given that f(x)= 9x^2-180, find x
hoa [83]
9x^{2}  - 180 = 0&#10;&#10;9x^{2}  = 180&#10;&#10;Divide both sides by 9&#10;&#10; x^{2} = 20&#10;&#10;Square root both sides, and you get&#10;&#10;x =  \sqrt{20} --\ \textgreater \  simplified: 2 \sqrt{5}
3 0
3 years ago
Bill Baxter has 28,000 to invest for a year. You can lend it to a sister who has agreed to pay 8% simple interest for the year.
Firdavs [7]

Answer: Additional interest of $521.82 with a simple interest loan to sister generate.

Step-by-step explanation:

Since we have given that

Principal = $28000

Rate of interest at simple interest = 8%

Number of year = 1

so, Interest becomes,

\dfrac{28000\times 8\times 1}{100}\\\\=280\times 8\\\\=\$2240

Rate of interest compounded quarterly = 6%

Amount becomes,

A=P(1+\dfrac{r}{400})^{4n}\\\\A=28000(1+\dfrac{6}{400})^4\\\\A=28000(\dfrac{406}{400})^4\\\\A=\$29718.18

So, Interest would be

Amount-Principal\\\\=29718.18-28000\\\\=\$1718.18

Hence, Additional interest is given by

2240-1718.18\\\\=\$521.82

Hence, Additional interest of $521.82 with a simple interest loan to sister generate.

4 0
3 years ago
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