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3 years ago

If temperature is 4 degrees and falls by 6 degrees, what is the new temperature?

Mathematics

2 answers:

Nat2105 [25]3 years ago

6 0

Answer:

-2

Step-by-step explanation:

If they temperature falling is greater than the present temperature, you will have to go into negatives. 4 - 4 = 0 - (remainder 2) is -2.

Step2247 [10]3 years ago

5 0

Answer:

-2 degrees

Step-by-step explanation:

4-6=-2

so its -2 degrees.

Hope this helps :D

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Given the line below. Write the point-slope form of the given line that passes through the points (-4, -1) and (3, -3). Identify

allsm [11]

$\bf \begin{array}{ccccccccc}
&&x_1&&y_1&&x_2&&y_2\\
% (a,b)
&&(~{{ -4}} &,&{{ -1}}~) 
% (c,d)
&&(~{{ 3}} &,&{{ -3}}~)
\end{array}
\\\\\\
% slope = m
slope = {{ m}}\implies 
\cfrac{\stackrel{rise}{{{ y_2}}-{{ y_1}}}}{\stackrel{run}{{{ x_2}}-{{ x_1}}}}\implies \cfrac{-3-(-1)}{3-(-4)}\implies \cfrac{-3+1}{3+4}\implies -\cfrac{2}{7}$

$\bf \stackrel{\textit{point-slope form}}{y-{{ y_1}}={{ m}}(x-{{ x_1}})}\implies y-(-1)=-\cfrac{2}{7}[x-(-4)]
\\\\\\
y+1=-\cfrac{2}{7}(x+4)$

4 0

3 years ago

Deirde spent 40% of her money in one shop and 35% of it in another. If she had €26.80 left, how much she at first

Reil [10]

Answer:

107.20 euros.

Step-by-step explanation:

Let the amount she had initially be x euros.

Then we have the equation:

x - 0.40x - 0.35x = 26.80

x - 0.75x = 26.80

0.25x = 25.80

Multiply both sides by 4:-

x = 107.20 euros.

4 0

3 years ago

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A bag contains 4 red marbles and 5 blue marbles. If two marbles are chosen at random, one at a time and without replacement, wha

Law Incorporation [45]

$|\Omega|=9\cdot8=72\\ |A|=4\cdot3=12\\\\ P(A)=\dfrac{12}{72}=\dfrac{1}{6}\approx17\%$

7 0

3 years ago

Plz help me fast plz plz plz thank you 15 points plZ help

bogdanovich [222]

Answer:

Possible Outcomes = {January , February, March, April,May, June, July, August, September , October , November ,December}

Explanation:

In probability The possible outcomes is a possible result of an experiment which we are performing. Each possible outcome is unique for a particular experiment

Now in this problem we are performing the experiment of putting the names of months in bag

Total months are 12

which are January , February, March, April,May, June, July, August, September , October , November and December

Now

Possible Outcomes = {January , February, March, April,May, June, July, August, September , October , November ,December}

So these are the possible results which can occur in our experiment that which ever we will pick the answer will be one of these 12 names

4 0

3 years ago

Help me with this please!

DedPeter [7]

Answer:

Area of triangle = 20√2

Step-by-step explanation:

Formula:

Area of triangle = bh/2

b - base of triangle

h - height of triangle

Distance formula

d = √(x₂ - x₁)² +(y₂ - y₁)²

From the figure we can see that, the given triangle is right angled triangle.

Base = AC and Height = AB

To find AB and AC

A(1,3), B(4,7) and C(9, -5)

AB = √(4 - 1)² +(7 - 3)² = √(3² + 4²) = 5

AC = √(9 - 1)² +(-5 - 3)² = √(8² + -8²) = 8√2

To find the are of triangle

Area = bh/2 = (5* 8√2)/2 = 20√2

Therefore the area of triangle = 20√2 square units

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4 years ago

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