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3 years ago

Part of a hundredths grid is shown.

Mathematics

1 answer:

olga_2 [115]3 years ago

4 0

Answer:

a = 6/5

b = 0.111 . . .

c = 166 2/3%

Step-by-step explanation:

just did it

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I will give 100 points and please get it right

Kobotan [32]

Answer:

2 7/10

Step-by-step explanation:

3/4+3/5=

Common Denominator: 20

Multiples of 4: 4, 8, 12, 16, 20

Multiples of 5: 5, 10, 15, 20

3x5=15

4x5=20

15/20

3x4=12

5x4=20

12/20

15/20+12/20= 27/20 = 2 7/10

8 0

3 years ago

find the area of the bedroom with the shape shown in the figure, in square feet 12 ft 14 ft 7 ft 34 ft

katrin [286]

Answer: See Explanation

Step-by-step Explanation: The L shaped figure, ignoring the track-like image inside, is the same as the rectangle with just the 4 x 10 section removed.

4 0

2 years ago

a motorboat traveling with a current can go 160km in 4 hours. against the current it takes 5 hours to go the same distance. find

irakobra [83]

The speed of motorboat is 36 kmph and speed of current is 4 kmph.

Step-by-step explanation:

Distance covered in 4 hours = 160 km

Time took on return trip = 5 hours

Let,

x represent the speed of boat.

y represent the speed of current.

Combined speed of boat and current when in same direction = x+y

Speed of boat and current when travelling against = x-y

Distance = Speed * Time

Speed = $\frac{Distance}{Time}$

x+y = $\frac{160}{4}$

x+y = 40 Eqn 1

x-y = $\frac{160}{5}$

x-y = 32 Eqn 2

Adding Eqn 1 and Eqn 2

$(x+y)+(x-y)=40+32\\x+y+x-y=72\\2x=72$

Dividing both sides by 2

$\frac{2x}{2}=\frac{72}{2}\\x=36$

Putting x=36 in Eqn 1

$36+y=40\\y=40-36\\y=4$

The speed of motorboat is 36 kmph and speed of current is 4 kmph.

Keywords: linear equation, addition

Learn more about linear equations at:

#LearnwithBrainly

8 0

3 years ago

Which number is in the solution set for the following inequality?

Mumz [18]

Aísle la variable dividiendo cada lado por factores que no contienen la variable.

Forma de inecuación:

×>7

Notación de intervalos:

(7,∞)(7,∞)

7 0

3 years ago

Use the order pairs to find the linear equation in slope intercept form (0,10) & (3,2)

Virty [35]

$y = \frac{-8}{3}x + 10$ is the equation in slope intercept form

Solution:

Given points are (0, 10) and (3, 2)

We have to find the slope intercept form

Let us first find the slope of line

The slope of line is given as:

$m = \frac{y_2-y_1}{x_2-x_1}$

Here,

$(x_1, y_1) = (0, 10)\\\\(x_2, y_2) =(3,2)$

Substituting the values we get,

$m = \frac{2-10}{3-0}\\\\m = \frac{-8}{3}$

The equation of line in slope intercept form is given as:

y = mx + c ------- eqn 1

Where, "m" is the slope of line and "c" is the y intercept

Substitute $m = \frac{-8}{3}$ and (x , y) = (0, 10) in eqn 1

$10 = \frac{-8}{3} \times 0 + c\\\\c = 10$

$Substitute\ m = \frac{-8}{3}\ and\ c = 10\ in\ eqn\ 1$

$y= \frac{-8}{3}x + 10$

Thus the equation of line in slope intercept form is found

7 0

3 years ago