2 years ago

Mr. Kimura designed a right-triangular garden for his yard, as shown in the following diagram

Mathematics

1 answer:

lana66690 [7]2 years ago

3 0

Answer:35g + 14k

Step-by-step explanation:

T = time D = drill

D(5G + 2K) = T

7(5g + 2k) = T

35g + 14k = T

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9.05 as an improper fraction

EleoNora [17]

Answer:

181/20

Step-by-step explanation:

9.05=9 5/100 = 9 1/20

9*20+1=180+1=181

181/20

4 0

3 years ago

Read 2 more answers

Suppose a large shipment of telephones contained 21% defectives. If a sample of size 498 is selected, what is the probability th

grandymaker [24]

Answer:

$P(-3\% < x < 3\%) = 0.901$

Step-by-step explanation:

Given

$p = 21\%$

$n = 498$

Required

$P(-3\% < x < 3\%)$

First, we calculate the z score

$z = \sqrt{p * (1 - p)/n}$

$z = \sqrt{21\% * (1 - 21\%)/498}$

$z = \sqrt{21\% * (79\%)/498}$

$z = \sqrt{0.1659/498}$

$z = \sqrt{0.000333}$

$z = 0.0182$

So:

$P(-3\% < x < 3\%) = P(-3\%/0.0182 < z$

$P(-3\% < x < 3\%) = P(1.648 < z$

From z probability, we have:

$P(-3\% < x < 3\%) = 0.901$

6 0

2 years ago

Miss Spencer‘s class is signing up to play sports 8/26 of the students want to play soccer and 12/26 want to play basketball the

Anestetic [448]

6/26

You’re trying to reach a whole by having the fraction 26/26
You can add 12/26 + 8/26 = 20/26
Then take 26/26 - 20/26 = 6/26

3 0

2 years ago

The scale on a map is 1 cm:60 km. How many kilometers are represented by 2.5 centimeters on the map

ELEN [110]

I cm = 60 km

2.5 cm = x km

60 * 2.5 = 150

2.5 cm = 150 km

4 0

3 years ago

PLEASE HELP ASAP!!!!!!!

Natalija [7]

Answer:

$\frac{9}{16}$

Step-by-step explanation:

$\frac{1 \frac{1}{2} * \frac{3}{4}}{2}=\frac{9}{16}$

3 0

2 years ago