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3 years ago

Translate the sentence into an equation. The sum of 8 times a number and 3 is 6

Mathematics

2 answers:

maxonik [38]3 years ago

5 0

8 times 3 equals 6 times 4

xxMikexx [17]3 years ago

3 0

Answer:

8x + 3 = 6

Step-by-step explanation:

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A car travels 10km southeast and then 15 km in a direction 60 degrees north of east. What is the magnitude of the car's resultan

Maurinko [17]

Answer: 15.85km

Step-by-step explanation:

The car starts at the point (0,0)

Let's define east as the positive x-axis and north as the positive y-axis.

first, the car travels 10km southeast, so the angle is -45° from the east.

Then the new position of the car is:

(10km*cos(-45°), 10km*sin(-45°)) = (7.07km, -7.07km)

Now, from this point the car travels 15km with an angle of 60° (counting from the east)

So the new position is:

(7.07km + 15km*cos(60°), -7.07km + 15km*sin(60°)) = (14.57km , 5.91km)

The magnitude of a vector (x, y) is √(x^2 + y^2)

So the magnitude of the vector (14.57km , 5.91km) is:

√((14.57km)^2 + (5.91km)^2) = 15.85km

4 0

3 years ago

Navigators locate an object by measuring its location clockwise direction from due north. The measure of the angle is called the

kotegsom [21]

Answer:

Refer to attached.

Part 1

Since bearing is taken from north, i.e. 90°, this will be represented by -45° on the units circle.

Part 2

The ordered pair is: (0.707, -0.707)

Part 3

sin (-45°) = -√2/2
cos (-45°) = √2/2
tan (-45°) = -1

5 0

3 years ago

3. Sandy's Sweets sells cookies for $1.50 cach while Barbara's Bakery sells cookies for $2.10 each. After

Anna11 [10]

Answer:

5 times

11.50

plz give brainiest

Step-by-step explanation:

4 0

2 years ago

Help help help help help

dolphi86 [110]

Answer:

x = 12/5

Step-by-step explanation:

Since the original is 10 and the second is 6, that means that the scale is 10:6 or 5:3. It can also be related as %60 of the length.

Step 1: Make an equation

10/6 = 4/x

Step 2: Cross Multiply

10x = 24

Step 3: Divide

10x / 10 = 24 / 10

24/10 = 12/5

x = 2.4

5 0

3 years ago

Read 2 more answers

Translate the following phrase: Tom can spend no more than 20 dollars on his mom's birthday present. a) t>20 b) t<20 c) 20

tiny-mole [99]

Answer:

get help by a tutor

Step-by-step explanation:

5 0

3 years ago