3 years ago

PLEASE HELP ME WITH THIS PROBLEM I HAVE BEEN STUCK ON IT FOR A WHILE!!!

Mathematics

1 answer:

astraxan [27]3 years ago

7 0

Sorry. Idk :P. Idididididididididididididididididididid. Oops sorry I dropped my keyboard.

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Will give brainlist! I need help

stealth61 [152]

Answer:

A=1/2bh

A=1/2(2)(4)

A=1/2(8)

A=4

Step-by-step explanation:

Area is 4units²

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3 years ago

AB and BC form a right angle at point B. If A = (-3,-1) and B = (4,4), what is the equation of BC

m_a_m_a [10]

Answer:

$y=-1.4x+9.6$

Step-by-step explanation:

If A = (-3,-1) and B = (4,4), the slope of AB is

$\text{Slope}_{AB}=\dfrac{-1-4}{-3-4}=\dfrac{-5}{-7}=\dfrac{5}{7}$

Two perpendicular lines have slopes that have product of -1:

$\text{Slopee}_{AB}\cdot \text{Slope}_{BC}=-1\\ \\\dfrac{5}{7}\cdot \text{Slope}_{BC}=-1\\ \\\text{Slope}_{BC}=-\dfrac{7}{5}=-1.4$

The equation of the line BC with slope -1.4 and passing through the point B(4,4) is

$y-4=-1.4(x-4)\\ \\y-4=-1.4x+5.6\\ \\y=-1.4x+9.6$

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4 years ago

9.1 times 11.8 estimate the product by rounding each decimal number to the nearest whole number

lutik1710 [3]

We will round both numbers:-

9.1 = 9

11.8 = 12

Now we will multiply these 2 numbers to get our answer.

9 × 12 = 108

So, 9.1 ÷ 11.8 is ABOUT 108.

Hope I helped ya!!!!!!!

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As an estimation we are told £3 is €4. <br> Convert €96 to pounds

Maru [420]

96*3/4
288/4
=72 pounds

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Answer:

Step-by-step explanation:is 6/10

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