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Alex777 [14]
3 years ago
5

Please help

Mathematics
1 answer:
nadezda [96]3 years ago
4 0
The answer A and D hope it right
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A quadrilateral has angles that measure 74°, 93°, and 117°.
Lana71 [14]

Answer:

D

Step-by-step explanation:

74 + 93 + 117= 284

360 - 284 = 76

3 0
3 years ago
Read 2 more answers
Suppose that you draw two cards from a deck. After drawing the first card, you do not put the first card back in the deck. What
S_A_V [24]

Answer:

(B) 0.0588

Step-by-step explanation:

The probability is calculated as a division between the number of possibilities that satisfy a condition and the number of total possibilities. Then, the probability that the first card is diamonds is:

P_1=\frac{13}{52}

Because the deck has 52 cards and 13 of them are diamonds.

Then, if the first card was diamonds, the probability that the second card is also diamond is:

P_2=\frac{12}{51}

Because now, we just have 51 cards and 12 of them are diamonds.

Therefore, the probability that both cards are diamonds is calculated as a multiplication between P_1 and P_2. This is:

P=\frac{13}{52}*\frac{12}{51}=\frac{1}{17}=0.0588

8 0
3 years ago
How to do this question plz answer me step by step plzz plz ​
Firdavs [7]

Answer:

24.99 cm

Step-by-step explanation:

We are provided with the radius of the circle so we can use that to solve for the circumference(perimeter) of the circle. The formula to solve for the circumference is 2*pi*r.

2*pi*7 = 14pi = 43.98 cm

Although this is the circumference of the entire circle... To solve for the circumference of a quarter-circle we must find the quarter of that:

43.98 * 1/4 = 10.99 cm

We are already provided with the other two sides, which are both equal to 7 cm since they are radii.

Perimeter = 10.99 +7 + 7 = 24.99 cm

Hope this helps!

8 0
3 years ago
Find the coordinates of the midpoint of (x,y) for A(9,1) and B(3,7)
tekilochka [14]

9514 1404 393

Answer:

  (6, 4)

Step-by-step explanation:

The midpoint is found as the average of the coordinates of the end points.

  M = (A +B)/2

  M = ((9, 1) +(3, 7))/2 = (9+3, 1+7)/2 = (12, 8)/2

  M = (6, 4)

The midpoint of segment AB is (x, y) = (6, 4).

5 0
3 years ago
a train makes a trip at 65 mi/h. A plane traveling 130 mi/h makes the same trip in 3 fewer hours. Write and solve an equation to
Rudik [331]

The formula used for calculating the time is:

t = d / v

where t is time, d is distance and v is velocity

 

We know that the difference in the two times is 3 hours, therefore:

d / 65 – d / 130 = 3

 

Calculating for d:

d = 30 / (1/65 – 1/130)

<span>d = 3900 miles</span>

8 0
3 years ago
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