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garri49 [273]
3 years ago
8

Solve each of the quadratic equations.

Mathematics
1 answer:
My name is Ann [436]3 years ago
4 0

Answer:

0=4+27

Step-by-step explanation:

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Point Q is the center of dilation. Lines segment S U is dilated to form line segment S prime U prime. The length of Q S is 3 .2
tia_tia [17]

Answer:

Option C.

Step-by-step explanation:

It is given that the dilation rule is D_{Q,2.5}. It means the center of dilatation is point Q and scale factor is 2.5.

Scale factor is the ratio of distance from center to the image of a point and distance from center to the corresponding point.

\text{Scale factor}=\dfrac{QU'}{QU}

It is given that QU=4 and scale factor = 2.5.

2.5=\dfrac{QU'}{4}

Multiply both sides by 4.

2.5\times 4=QU'

10=QU'

We know that

UU'=QU'-QU

UU'=10-4

UU'=6

The distance between U' and U is 6 units.

Therefore, the correct option is C.

8 0
3 years ago
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What is 2.5/10 (fraction) simplified?
sladkih [1.3K]

Answer:

-1

—— = -0.25000

 4            

Step-by-step explanation:

5 0
3 years ago
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Yara has 2 rectangular gardens in her backyard. The smaller garden is 1/2 foot long and 2/3
dimulka [17.4K]

Dimension of smaller garden :

l = 1/2 ft.

b = 2/3 ft.

Dimension of bigger garden :

L = 4 ft.

Let , breadth be x ft.

We know , area is given by :

Area = L×B.

Area of small garden = \dfrac{1}{2}\times\dfrac{2}{3}=\dfrac{1}{3}\ ft^2

Area of big garden =4\times x=4x\ ft^2

Hence, this is the required solution.

5 0
3 years ago
Answer to:<br> (a - 3b)(2a - 5b)<br><br> distributive form
Alina [70]
When I look at a problem like this, I think of the FOIL method. This method states "You multiply integers in the order of First, Outside, Inside, Last, and then add them  together"

(a -3b)(2a - 5b)

First --- 2a * a
Out  --- (-5b) * a
In     --- (-3b) * 2a
Last --- (-3b) * (-5b)

2a² - 5ab -6ab + 15b²

2a² - ab + 15b²

This would be your answer in simplest form!
5 0
3 years ago
Jake is comparing the prices of two laundry service companies. Company A charges $20 per load and an additional $8 as service ch
svet-max [94.6K]
X = number of loads
company A : 20x + 8
company B : 24x + 4

20x + 8 = 20(5) + 8 = 100 + 8 = 108 (company A)
24x + 4 = 24(5) + 4 = 120 + 4 = 124 (company B)
company A charges less

20x + 8 = 20(9) + 8 = 188
24x + 4 = 24(9) + 4 = 220
220 - 188 = $ 32 bucks is saved by using company A

8 0
3 years ago
Read 2 more answers
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