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mina [271]
2 years ago
9

Find the greatest common factor of 28 and 42.

Mathematics
1 answer:
erastova [34]2 years ago
8 0

Answer: By using EDL(Euclid's Division Lemma), the answer we get is 14

so,

    42 = 28(1) + 14

    28 = 14(2) + 0

therefore, HCF(or greatest common factor) = 14

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What is the equation of a line that has a slope of 0 and passes through (5, −2)?
kumpel [21]

y=-2

Step-by-step explanation:

if line has zero slope (b) it means that b is undefined.

if x=0 y=-2 because line has no slope. so b=-2

y=-2

4 0
2 years ago
How do you find DE, Round to nearest 10th
Sergeu [11.5K]

Answer:  DE\approx6.0

Step-by-step explanation:

Observe in the figure given in the exercise that four right triangles are formed.

In this case you can use the following Trigonometric Identity to solve this exercise:

cos\alpha=\frac{adjacent}{hypotenuse}

From the figure you can identify that:

\alpha =53\°\\\\hypotenuse=10\\\\adjacent=BE=DE

Then, you can substitute values:

cos(53\°)=\frac{DE}{10}

The next step is to solve for DE in order to find its value. This is:

10*cos(53\°)=DE\\\\DE=6.01

Finally, rounding the result to the nearest tenth, you get that this is:

DE\approx6.0

7 0
3 years ago
Bentley is at Sasha’s birthday party where there are 10 girls and 12 boys waiting for a turn to bob for apples. Sasha’s mom will
klio [65]

Answer:

The probability that Bentely will be selected first = 0.046

Step-by-step explanation:

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The probability that Bentely will be selected first = 1/22

The probability that Bentely will be selected first = 0.046

7 0
3 years ago
yes was walking along the road at 5 mph and was 17 miles away from his destination. no was walking at 7 mph but was 22 miles awa
yarga [219]
17 miles / 5 mph = 3.4 hours

22miles / 7 mph = 3.14 hours

No would arrive before yes
7 0
2 years ago
Instructions: Read the prompt, respond to the prompt below the sources provided. Use the quote and sources provided to support y
olga55 [171]

Answer: cool

Step-by-step explanation:

6 0
3 years ago
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