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3 years ago

Jesus joseph maryian christ, what is this math problem ? 25 points

Mathematics

1 answer:

maria [59]3 years ago

5 0

Answer:

1,075,920,000,000 km³

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The average age of three people running for election is 42. A fourth person joins the race and the average drops to 40. What is

Morgarella [4.7K]

Answer:

B. 34

$let \: sum \: of \: ages \: of\: 3 \: people \: be \: x \\ 42 = \frac{x}{3} \\ x = 126 \\ let \:age \: of \: fourth \: person \: be \: y \\ 40 = \frac{x + y}{4} \\ 160 = x + y \\ 160 = 126 + y \\ y = 34 \\ = 34 \: years$

7 0

3 years ago

5/6 - 1/8 = a 17/24 b 23/24 c 1 1/24 d 5/24

ANEK [815]

A. 17/24

20/24 - 3/24

8 0

3 years ago

2(3x+2)=2x+28 What is x?

kherson [118]

Answer:

x = 6

Step-by-step explanation:

Step 1: Distribute

2(3x + 2) = 2x + 28

(2 * 3x) + (2 * 2) = 2x + 28

(6x) + (4) = 2x + 28

Step 2: Subtract 2x from both sides

6x + 4 - 2x = 2x + 28 - 2x

4x + 4 = 28

Step 3: Subtract 4 from both sides

4x + 4 - 4 = 28 - 4

4x = 24

Step 4: Divide both sides by 4

4x / 4 = 24 / 4

x = 6

Answer: x = 6

5 0

3 years ago

Does anyone know the answer?

FromTheMoon [43]

Answer:

AB = 4.41

Step-by-step explanation:

→You are given the adjacent side and need to find the hypotenuse. For this, we use cos.

→Set it up, like so:

$cos25=\frac{4}{x}$

→To get rid of the x in the denominator, multiply everything by x:

$x(cos25=\frac{4}{x})$

$xcos25 = 4$

→Divide both sides by cos25:

x = 4.413

→Round to nearest hundredth:

x = 4.41

6 0

3 years ago

Solve the inequality |r+3|> 7

Vinil7 [7]

Absolute value so the answer can be positive or negative
R+3>7
-3>-3
R>4
Or
R-3>7
+3>+3
R>10

Answer
410

4 0

3 years ago

Read 2 more answers