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erica [24]
3 years ago
7

-2.2.8.4 Find the distance between the two numbers on a number line

Mathematics
1 answer:
GREYUIT [131]3 years ago
5 0

Answer:

10.6

Step-by-step explanation:

-2.2 is 2.2 units away from zero and 8.4 is 8.4 away from zero on a number line. add 2.2 and 8.4

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Five times the sum of a number and 3 is the same as 3 multiplied by 1 less than twice the number ​
Aneli [31]

Answer:-2

Step-by-step explanation:

(n + 3) 5 = 3 x 1 - n

distribute so 5n + 15= 3 - n

subtract three from both sides

5n - 12 = -n

subtract 5n from both sides

12 = −6n

Divide both sides by -6

n=-2

7 0
3 years ago
A tower stand on a horizontal plane. P is the top and Q is the bottom of the tower. A and B are two points on this plane such th
pochemuha

Answer:

32√5

Step-by-step explanation:

We have the right triangles PQA and PQB as well as the given right triangle QAB.

cot(PAQ) = 2/5 = QA/PQ

cot(PBQ) = 3/5 = QB/PQ

cot(PAQ) / cot(PBQ) = (2/5) / (3/5) = 2/3

cot(PAQ) / cot(PBQ) = (QA/PQ) / (QB/PQ) = QA / QB

QA / QB = 2/3

QA = (2/3) QB

QB = (3/2) QA

By the Pythagorean Theorem we have:

(QA)² + 32² = (QB)²

(QA)² + 32² = (3/2 QA)²

(QA)² + 1024 = (9/4) (QA)²

(5/4) (QA)² = 1024

(QA)² = (4/5)1024 = 4096/5

QA = 64/√5

Solve for PQ.

cot(PAQ) = QA/PQ

PQ = QA / cot(PAQ)

PQ = (64/√5) / (2/5) = 32√5

The height of the tower is 32√5.

7 0
3 years ago
Solve the equation by putting it in factored form and using the Zero Product Property: x2 + 12x +11 = 0
nekit [7.7K]

Answer:

janarver 12- mae verdemax x-

Step-by-step explanation:

5 0
2 years ago
The sum of 2 numbers is 16. One is 4 less than 3 times the other number. What are the two numbers?
erastovalidia [21]

Answer:

5 and 11

Step-by-step explanation:

hope this helps! :D

have a miraculous day!! <3

3 0
2 years ago
*BRAIN TEASER*
Mademuasel [1]

Answer:

idk but go dtep by step

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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