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vfiekz [6]
3 years ago
5

Rewrite (−4)^2/7 in radical form.

Mathematics
1 answer:
notsponge [240]3 years ago
7 0

Answer:

^7√(-4)^2 or 1.48 I hope it helps

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A probability experiment will consist of selecting one of two stacks of cards, and then choosing a card at random from the stack
postnew [5]

Answer:

The probability that the red card came from the first stack is:

40%

Step-by-step explanation:

a) Data and Calculations:

Stack         Red      Blue   Total

First            6           5         11

Second      9            0         9

Total         15            5       20

The probability of selecting from the first stack = 50% since equal opportunity is given to the two sacks.

The probability of red card from the first stack = 6/15 = 0.4 = 40%.

b) The probability that the red card came from the first stack is given by the number of red cards in the first stack divided by the number or red cards in the two stacks.  This is equal to 6/15 = 0.4 or 40%.

4 0
3 years ago
Is y=3cos4x a amplitude
Volgvan
Yes it is. 3 is the amplitude
4 0
3 years ago
A line passes through the points (6,5) and (2,2) . Select all that describe this line.
dolphi86 [110]
2...............................
6 0
3 years ago
HELP!!! I WILL GIVE BRAINY!!!
RideAnS [48]

Answer:

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Step-by-step explanation:

In the attached file

6 0
3 years ago
Read 2 more answers
Answer with full solutions​
DerKrebs [107]

Answer:

66 cm²

Step-by-step explanation:

From the given figure, and the question statement we have;

BD = 11 cm, AE = 7 cm, CF = 5 cm

The given quadrilateral ABCD consists of two triangles; ΔABD and ΔBCD

The area of quadrilateral ABCD = The sum of the areas of ΔABD and ΔBCD

The base length of the two triangles equals segment BD = 11 cm

The height of triangle ΔABD = 7 cm

The area of a triangle = (1/2) × Base length × Height

∴ The area of triangle ΔABD = (1/2) × 11 cm × 7 cm = 38.5 cm²

Similarly;

The area of triangle ΔBCD = (1/2) × 11 cm × 5 cm = 27.5 cm²

∴ The area of quadrilateral ABCD = 38.5 cm² + 27.5 cm² = 66 cm²

The area of the given figure (quadrilateral ABCD) = 66 cm².

4 0
3 years ago
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