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3 years ago

Here is a picture of a cube, and the net of this cube.

Mathematics

1 answer:

Leviafan [203]3 years ago

8 0

Answer:

726 cm²

Step-by-step explanation:

The cube has 6 square faces , then

surface area = 6 × area of 1 square face

SA = 6 × 11² = 6 × 121 = 726 cm²

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Minh wrote the following number sentence 2.6 + 0.33= 59. Use estimation to show that Minh's answer is incorrect.

Ne4ueva [31]

2.6 rounds to 3, and 0.33 would round to 0.50. Adding 3 and 0.50 together would equal to 3.50. 59 and 3.50 are no where near to each other which concludes Minh is incorrect.
(Please mark me brainliest)

3 0

3 years ago

You get GPS units from two manufacturers, A and B. You get 43% of your units from A and 57% of your units from B. In the past, 2

defon

Answer:

0.5015 = 50.15% probability that it came from manufacturer A.

Step-by-step explanation:

Conditional Probability

We use the conditional probability formula to solve this question. It is

$P(B|A) = \frac{P(A \cap B)}{P(A)}$

In which

P(B|A) is the probability of event B happening, given that A happened.

$P(A \cap B)$ is the probability of both A and B happening.

P(A) is the probability of A happening.

In this question:

Event A: Defective

Event B: From manufacturer A.

Probability a unit is defective:

2% of 43%(from manufacturer A)

1.5% of 57%(from manufacturer B). So

$P(A) = 0.02*0.43 + 0.015*0.57 = 0.01715$

Probability a unit is defective and from manufacturer A:

2% of 43%. So

$P(A \cap B) = 0.02*0.43 = 0.0086$

What is the probability that it came from manufacturer A?

$P(B|A) = \frac{P(A \cap B)}{P(A)} = \frac{0.0086}{0.01715} = 0.5015$

0.5015 = 50.15% probability that it came from manufacturer A.

4 0

3 years ago

4 tomatoes cost 3.4 what is the unit rate

choli [55]

$4\ tomatoes\ :\ 3.40\ dollars$

Divide each side by 4 (division property of equality lets us do this) to find the price of one tomato.

$1\ tomato\ :\ \boxed{0.85\ dollars}$ (85 cents)

6 0

3 years ago

Read 2 more answers

Helppppp plsss solve for x

pogonyaev

The two triangles we can see in the diagram are similar, which means that their measurements are proportional. Line MN on the larger triangle MNP is 71.5ft long, and its corresponding line, MA, on the smaller triangle is 71.5-22= 49.5ft long. This means that the scale factor from the bigger to the smaller triangle is 71.5/49.5=13/9.
If line MP on the bigger rectangle is 97.5ft long, then its corresponding line, MB, must be 97.5÷13/9=67.5 ft long.
Therefore, x=67.5 ft

8 0

4 years ago

Read 2 more answers

A football field has these measurements. What is the area of the football field?

kotegsom [21]

Answer:

6,360 yd.

Step-by-step explanation:

To find area you multiply length times width (l*w)

120 times 53

6,360 yd

Hope I helped!! :)

Brainliest??

Have a good night/day/afternoon!!

7 0

3 years ago

Read 2 more answers