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3 years ago

Help me solve this pls i didn’t go to school the day we learned this

Mathematics

1 answer:

nlexa [21]3 years ago

5 0

All you will need to do is match the points with the one it goes with and then answer

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Part A: Find the LCM of 7 and 12. Show your work. (3 points)

inna [77]

Answer:

A. 84; B. 8; C. 8 × 19

Step-by-step explanation:

Part A. Least common multiple

Step 1. List the prime factors of each.

7 = 7

12 = 2 × 2 × 3

Step 2: Multiply each factor the greatest number of times it occurs in either number.

7 has one 7; 12 has two 2s and one 3.

LCM = 7 × 2 × 2 × 3

LCM = 7 × 12

LCM = 84

Part B. Highest common factor

Find all the factors of 56 and 96.

Factors of 56: 1, 2, 4, 7, 8, 14, 28

Factors of 96: 1, 2, 4, 6, 8, 12, 16, 24, 32, 48

The highest factor that in both 56 and 96 is 8.

Part C. Factoring

56 + 96 = 8(7 + 12) = 8 × 19

The GCF is 8.

19 = 7 + 12 is the sum of two numbers that do not have a common factor.

4 0

4 years ago

The angle of elevation to a nearby tree from a point on the ground is measured to be

sladkih [1.3K]

Answer:

h ≈ 66.4 ft

Step-by-step explanation:

The situation can be modelled by a right triangle with h representing the height of the tree.

Using the tangent ratio in the right triangle

tan39° = $\frac{opposite}{adjacent}$ = $\frac{h}{82}$ ( multiply both sides by 82 )

82 × tan39° = h , then

h ≈ 66.4 ft ( to the nearest tenth )

7 0

3 years ago

Determine whether the value is a parameter or statistic 43.87% of voters turned out for the 2004 elections

inna [77]

Answer:

5 but its probaly not right bc im just looking for pointsStep-by-step explanation:

6 0

3 years ago

A palindrome is a number that reads the same forward and backward. For example, 2442 and 111 are palindromes. If 5-digit palindr

Oduvanchick [21]

Answer:

27 Palindromes are possible in the given situation.

Step-by-step explanation:

As a palindrome is a number that reads the same forward and backward and in our case, it is a 5 digit palindrome.

Let's suppose the 5 digit palindrome is ABCBA:

As we know that the digits on 4th and 5th positions will be the same as the digits on 1st and 2nd positions.

The number of possibilities that a digit can come on 1st position are 3
The The number of possibilities that a digit can come on 2nd position are 3
The number of possibilities that a digit can come on 3rd position are 3

So the total number of possibilities that we can get 5 digit palindromes from digits 1, 2 and 3 are:

= 3 x 3 x 3

Total Palindromes = 27

8 0

3 years ago

How do you find the average speed for a non constant speeds?

babunello [35]

Average speed is calculated by dividing the total distance travelled by the time interval. For example, someone who takes 40 minutes to drive 20 miles north and then 20 miles south (to end up at the same place), has an average speed of 40 miles divided by 40 minutes, or 1 mile per minute (60 mph).

6 0

3 years ago

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