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3 years ago

(Giving brainliest on this one, pls help ASAP!)

Mathematics

2 answers:

EleoNora [17]3 years ago

8 0

Answer:

.........................

horsena [70]3 years ago

6 0

Answer:

Step-by-step explanation:

2 1/3 x 2/34

(2 x 3) + 1 = 7/3

(2 x 4) + 3 = 11/4

7/3 x 11/4 = 77/12

77 ÷ 12 = 6 5/12

So B

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What do you know about the distance between each buoy

BigorU [14]

The three inside angles of a triangle when added together = 180 degrees.

Since two angles are given as 60 degrees, we know the third angle = 180 - 60 - 60 = 60 degrees.

When all three angles of a triangle are the same, it is an equilateral triangle and this means all three sides are also the same length.

This means the distance between each buoy is identical.

5 0

4 years ago

Solve the equation on the interval [0,21). 5 cos x - V3 = 3 co cos x

WARRIOR [948]

Answer:

x=π/6, 11π/6

Step-by-step explanation:

5 0

3 years ago

Please help me

Alla [95]

Answer:

Step-by-step explanation:

Let one number = x

Let the other number = y

x + y = 9

xy2 is a maximum

Since we need positive numbers, we assign values of x and y respectively that will give us a sum of 9.

x: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9

y: 9, 8, 7, 6, 5, 4, 3, 2, 1, 0

Next, we square the values of y.

y2: 81, 64, 49, 36, 25, 16, 9, 4, 1, 0

Next, we multiply x by y2 to see which product is the highest value.

x : 0 , 1 , 2 , 3 , 4 , 5 , 6, 7, 8, 9

y2 : 81, 64, 49, 36, 25, 16, 9, 4, 1, 0

We can eliminate x = 0, x = 8 , and x = 9 , since the product of xy2 is of lowest value.

1 x 64 = 64

2 x 49 = 92

3 x 36 = 108

4 x 25 = 100

5 x 16 = 80

6 x 9 = 54

7 x 4 = 28

The highest product value here is 108.

The two numbers in the solution are 3 and 6.

7 0

3 years ago

When you reflect a shape, you (blank) over an axis or line.

igomit [66]

Answer:

poison

Step by Step Explanation

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3 years ago

Find the points at which the graph of the equation -4y=15-5x crossed the x- axis and the y - axis.

Lynna [10]

Answer:

see explanation

Step-by-step explanation:

Where the graph crosses the x- axis the y- coordinate is zero.

Let y = 0 in the equation and solve for x

- 4(0) = 15 - 5x, that is

15 - 5x = 0 ( subtract 15 from both sides )

- 5x = - 15 ( divide both sides by - 5 )

x = 3 ← x- intercept ⇒ (3, 0 )

Where the graph crosses the y- axis the x- coordinate is zero.

Let x = 0 in the equation and solve for y

- 4y = 15 - 5(0), that is

- 4y = 15 ( divide both sides by - 4 )

y = - $\frac{15}{4}$ ← y- intercept ⇒ (0, - $\frac{15}{4}$ )

8 0

3 years ago