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timurjin [86]
3 years ago
14

Can anyone help me plz I don’t understand how to do this and

Mathematics
1 answer:
adelina 88 [10]3 years ago
3 0

for A it will be 14 white tiles because as it is adding a black tile, 2 white tiles are being added if that makes sense

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Last year, lien earned 1200 more than her husband. Together they earned 45,200. How much did each of them earn?
d1i1m1o1n [39]

Answer:

Lien earned $23,800

Husband earned $22,600

Step-by-step explanation:

$45,200 divide it by 2 = $22,600

then you add $1,200 to $22,600 and get  $23,800

4 0
3 years ago
X^2+15x=-45 solve by factoring
Julli [10]

1 Move all terms to one side.

{x}^{2}+15x+45=0

x

2

+15x+45=0

2 Use the Quadratic Formula.

x=\frac{-15+3\sqrt{5}}{2},\frac{-15-3\sqrt{5}}{2}

x=

2

−15+3

5

,

2

−15−3

5

3 Simplify solutions.

x=-\frac{3(5-\sqrt{5})}{2},-\frac{3(5+\sqrt{5})}{2}

x=−

2

3(5−

5

)

,−

2

3(5+

5

)

6 0
3 years ago
Read 2 more answers
Pleaseee someone help me in this question ihave bben eating for half an hour and no one helped me.
pav-90 [236]
Cross Multiply by 'x - 5'
Hence
y(x - 5) = 4 -3x
xy - 5y = 4 - 3x

Move all the terms containing an 'x' to one side of the equals and all the others to the opposite side.
xy + 3x = 4 + 5y
Factor out 'x'
x(y + 3) = 4 + 5y
'Cross' divide by 'y + 3'
x = ( 4 + 5y) / (y + 3 )

'x' is now the subject.
8 0
3 years ago
The ratio of a model building's dimensions to the building's actual dimensions is 1/20. If the height of the model is 18 inches,
Umnica [9.8K]
Answer: 360ft

Explanation:
x = 18/1/20
x = 18 x 20
x = 360ft
6 0
3 years ago
Write an equation in slope-intercept form for the line.<br><br> slope = 0, y-intercept = 3
Anit [1.1K]

Answer:  y = 0x+3 or y = 3

The slope is 0 and the y intercept is 3. So m = 0 and b = 3.

Plug those into y = mx+b to get y = 0x+3, and that simplifies to y = 3.

This graphs out a horizontal line that passes through the two points (0,3) and (1,3).

8 0
3 years ago
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