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sweet-ann [11.9K]
2 years ago
16

Which are the solutions of the quadratic equation? x2 = –5x – 3 –5, 0 StartFraction negative 5 minus StartRoot 13 EndRoot Over 2

EndFraction comma StartFraction negative 5 + StartRoot 13 EndRoot Over 2 EndFraction StartFraction 5 minus StartRoot 13 EndRoot Over 2 EndFraction comma StartFraction 5 + StartRoot 13 EndRoot Over 2 EndFraction 5, 0
Mathematics
2 answers:
rodikova [14]2 years ago
9 0

Answer:

3

Step-by-step explanation:

mx>+b-v2

LuckyWell [14K]2 years ago
9 0

Answer:

C

Step-by-step explanation:

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a homeowner wants to carpet two rooms that each measure 12 ft by 15 ft. how many square yards of carpet should be ordered
Lelu [443]

3 feet = 1 yard

12/3 =4

15/3 = 5

4*5 = 20 square yards per room

20*2 = 40 square yards total

7 0
2 years ago
Gavin and Jim win some money and share it in the ratio 5:2. Gavin gets £39 more than Jim. How much did they get altogether?
gregori [183]

Answer:

Altogether Gavin and Jim won £95.

Step-by-step explanation:

We are given the following in the question:

Ratio of money won by Gavin and Jim = 5:2

Gavin gets £39 more than Jim.

Let x be the amount of money Won by Jim.

Then, money won by Gavin =

=(x+39)

Thus, we can write the equation:

\dfrac{\text{Gavin}}{\text{Jim}} = \dfrac{5}{2}=\dfrac{x+39}{x}

Solving, we get,

\dfrac{5}{2}=\dfrac{x+39}{x}\\\\5x = 2x + 78\\\Rightarrow 3x = 78\\\Rightarrow x = 26\\\Rightarrow (x+39) = 65

Thus, Gavin won £65 and Jim won £26.

Money won altogether =

=65 + 26\\=95

Thus, altogether Gavin and Jim won £95.

5 0
2 years ago
After triangle ace is dilated by a factor of 5, it has an area of 100 square inches. What was its area before dilation?
NISA [10]

Answer:

20in^2

Step-by-step explanation:

Since you multiply the original area of the triangle by the scale factor to get the new area, you can find the original area (before dilation) by dividing the dilated triangle's area by the scale factor. Since 100 is the area of the dilated triangle, and 5 is your scale factor, you do 100/5 to get the area of the triangle before it was dilated.

5 0
2 years ago
Anita is making headbands for her softball team. She needs a total of 3/4 yard of fabric. Select all types of fabric that cost l
xeze [42]

Answer:

All except the Terry Cloth

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
A round table top has a diameter of 2.6 meters.What is its surface area
sergij07 [2.7K]
Hello!

To find the area of a circle you use the equation

\pi  r^{2}

r is radius which is half the diameter

r = 2.6 / 2

r = 1.3

Put in the values you know

\pi  1.3^{2}

Square the number

1.69 \pi  = 5.31

The answer is 1.69 \pi or ≈5.31

Hope this helps!
8 0
2 years ago
Read 2 more answers
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