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3 years ago

Everything from the picture

Mathematics

1 answer:

RoseWind [281]3 years ago

7 0

Answer:

I would hire Master remodeling. the cost for certified remodeling is 250 and the cost for master remodeling is 220

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Aimee deposited $250 into a savings account with the simple interest of 6% per year.

balandron [24]

Answer:

Step-by-step explanation:

Interest=principal*rate*time/100

Interest=240$

Amount= principal + interest

Amount=$490

7 0

3 years ago

Hello I need help with my math homework that I don’t understand if you could help me out the would be great thank you

Klio2033 [76]

Answer:

3) 10

4) 12

hope that helps buddy

Step-by-step explanation:

4 0

3 years ago

The point A (−5,4) is reflected over the point (−2,5) and its image is point B. What are the coordinates of point B?

san4es73 [151]

Answer:

<em>The coordinates of B are (1,6)</em>

Step-by-step explanation:

<u>Point Reflection</u>

Given the point P(x,y) and its reflection P'(x',y') with respect to the point C(xc,yc), C is the midpoint of the segment PP'.

This means the coordinates of C are:

$\displaystyle x_c=\frac{x+x'}{2}$

$\displaystyle y_c=\frac{y+y'}{2}$

If the coordinates of the midpoint are given, then the endpoint P' can be found solving for x' and y':

$x'=2x_c-x$

$y'=2y_c-y$

The point P' is the reflection of P over C.

We are given the coordinates of A(-5,4) and the point (-2,5). We need to find the coordinates of point B(x',y'). Let's use the formulas as if A was point P and C=(-2,5):

$x'=2(-2)-(-5)=-4+5=1$

$y'=2(5)-4=10-4=6$

The coordinates of B are (1,6)

3 0

3 years ago

Can you find the sum [5.5+ (-2.3)] + (-5.5+2.3) without performing any additions?

Hunter-Best [27]

Yes
[5.5+(-2.3)] can be rearranged to be 5.5-2.3. It will be 3.2
(-5.5+2.3) can be rearranged to be 2.3-5.5. It will be -3.2
3.2-3.2=0

7 0

4 years ago

The perimeter of a rectangle is 360m. If it's length is decreased by 20% and it's breadth is increased by 25%, we get the same p

ladessa [460]

Answer:the length of the rectangle is 100m

the width of the rectangle is 80m

Step-by-step explanation:

Let L represent the length of the rectangle.

Let W represent the width of the rectangle.

The formula for determining the perimeter of a rectangle is expressed as

Perimeter = 2(L + B)

The perimeter of a rectangle is 360m. This means that

2(L + B) = 360

L + B = 180 - - - - - - - - - -1

If it's length is decreased by 20%, its new length would be

L - 0.2L = 0.8L

it's breadth is increased by 25%, it means that the new breadth

B + 0.25B = 1.25B

Since the perimeter remains the same,

2(0.8L + 1.25B) = 360

0.8L + 1.25B = 180 - - - - - - - - -2

Substituting L = 180 - B into equation 2, it becomes

0.8(180 - B) + 1.25B = 180

144 - 0.8B + 1.25B = 180

- 0.8B + 1.25B = 180 - 144

0.45B = 36

B = 36/0.45 = 80

L = 180 - B = 180 - 80

L = 100

6 0

3 years ago