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andrezito [222]
3 years ago
8

Joe completed 7 pages of homework over 3 hours. Nina completed 5 pages over two hours. Who was completing the work at a faster p

ace?
Mathematics
2 answers:
bonufazy [111]3 years ago
8 0

Answer:

Joe

Step-by-step explanation:

olga_2 [115]3 years ago
3 0
You wanna find out how many pages they did per hour, so you take 5/2 and 7/3. This gives you 2.5 and 2.333, Nina has higher hourly rate therefore she is completing hw faster
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Triangle abc and xyz are congruent ,/_A is one half the size of /_B,/_y is 90° ./_c and /_z each have a measure of 45°.What is t
Rashid [163]

Answer:

∠a = 45°

Step-by-step explanation:

We are told that △abc and △xyz are congruent.

Thus;

∠a = ∠x

∠b = ∠y

∠c = ∠z

We are given;

∠y = 90°

Thus, ∠b = 90°

Now,we are told that ∠a is one half the size of ∠b.

Thus; ∠a = ½ × ∠b

∠a = ½ × 90

∠a = 45°

4 0
2 years ago
When finding the product (x – 3)(x + 4), what would you add to x(exponent of 2)-3x to get the final answer?
slamgirl [31]
The answer to your question is 4x-12
4 0
3 years ago
The length of time a person takes to decide which shoes to purchase is normally distributed with a mean of 8.54 minutes and a st
Minchanka [31]

Answer:

0.0323 = 3.23%. Is unusual

Step-by-step explanation:

Using the normal distribution we can find z value with the mean and standard deviation as follows. x is the value we want to know its probability

z = (x - mean)/standard deviation

z = (5-8.54)/1.91

z = -1.85

Using z tables for normal distribution, for z = 1.85, we have an area under the curve of 0.9677. Since we want to know the probability for 5 minutes or less, we have to substract from

p = 1- 0.9677

p = 0.0323

An event with a probability less than 5% is considered unusual.

8 0
3 years ago
What fraction is equal to 75% of 1/2
solmaris [256]

Answer:

3/8

Step-by-step explanation:

75% or 0.75 is equivalent to 3/4

3/4 times 1/2 equals 3/8

5 0
2 years ago
Read 2 more answers
2) In the following diagram, a ladder is leaning against the building. What is the
bogdanovich [222]

Answer:

I believe the answer is about 34

Step-by-step explanation:

8 0
3 years ago
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