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2 years ago

HELP * PICTURE INSERTED*

Mathematics

2 answers:

Dmitrij [34]2 years ago

5 0

Answer:

9m^2

Step-by-step explanation:

Area of triangle = 1/2 ×base×height

=1/2(2/3m ×27m)

Area of triangle =9m^2

Nana76 [90]2 years ago

3 0

I don’t know the answer I just need to do it so I can ask another question

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Write -7.5 as a common fraction.

Alina [70]

Answer:

-15/2 (or -7 1/2)

Step-by-step explanation:

-7.5 is equal to -75/10.

When you simplify it, you get:

-15/2 which simplifies to -7 1/2

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3 years ago

David is going to buy a cooker.

valina [46]

Answer:

David should pay £48 as deposit.

Step-by-step explanation:

Price of cooker = £320

Deposit price of Cooker = 15%

We need to find How much money does David pay as a deposit?

For finding deposit money we will find:

15% of 320

Solving:

$15\% \ of \ 320\\=15\% \times 320\\=\frac{15}{100}\times 320 \\=48$

So, David should pay £48 as deposit.

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3 years ago

Pls can anybody give me the code to join khan academy online classes

Dahasolnce [82]

Answer:

your teacher has to give it to you :)

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Step-by-step explanation:

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2 years ago

8. Write the equation of the line that is parallel to the line 2x + 5y = 15 and passes through the

marissa [1.9K]

Answer:

$\sf y = \bold -\frac{2}{5} x -3$

Explanation:

part A identification for slope:

$\sf 2x + 5y = 15$

$\sf 5y = -2x + 15$

$\sf y = \frac{-2x + 15}{5}$

$\sf y = -\frac{2 }{5} x+3$

comparing with slope intercept form: y = mx + b

we can find that here the slope is $\bold -\frac{2}{5}$

part B, solving the equation:

if the line is parallel, then the slope will be same.

given coordinates: ( - 10, 1 )

using the equation:

y - y₁ = m( x - x₁ )

$\sf y - 1 = \bold -\frac{2}{5} (x --10)$

$\sf y = \bold -\frac{2}{5} x -4 + 1$

$\sf y = \bold -\frac{2}{5} x -3$

Extra information:

check the image below. this proves that the line is parallel and passes through point (-10, 1). the blue line is question line and red the answer line.

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2 years ago

Read 2 more answers

Pleaseeee helppp !!! Identify each polygon by its number of sides

lutik1710 [3]

Furthest to the left is a Hexagon. Middle is an Octagon. Furthest to the right is a Decagon.

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3 years ago