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nevsk [136]
4 years ago
6

Please help it’s 1: 40 am and this takes years to finish please help

Mathematics
2 answers:
melisa1 [442]4 years ago
8 0

Answer:

10

Step-by-step explanation:

The scale given to you shows that the ratio of sides is 4:10 or 2:5.

So, that means x/25 = 2/5.

Hence, 5x = 2x25

5x = 50.

X=10

never [62]4 years ago
7 0
The answer was is 11 + 21*5
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Find the slope and y-intercept of the line that is parallel to y = -x - 3 and passes through the point (3, -2)
motikmotik
Use point slope formula y-y1=m(x-x1)
You are told that y=-x+3. This equation is of the form y=mx+b. Where m=-1. m is the slope. And you have a point (x1,y1) that is (3,-2). With all of this in mind, you then plug all of these details into the point slope formula y-y1=m(x-x1)

In point slope form, you have the following:


y-(-2)=-1(x-3).

To turn this into slope intercept form, simplify y-(-2) to get y+2 and distribute in the -1 to get:

y+2=-x+3

Subtract 2 from both sides to get

y=-x+1

In slope intercept form, the answer is
y=-x+1 and in point slope form, the answer is y+2=-x+3

Hope this helps!!!

3 0
3 years ago
Write the equation of the line parallel to 4x-5y=2 and passing through point (0,0)
kotykmax [81]

k:y=m_1x+b_1;\ l:y=m_2x+b_2\\\\k\ \perp\ l\iff m_1\cdot m_2=-1\\\\k\ ||\ l\iff m_1=m_2

We have:

4x-5y=2\ \ \ \ |-4x\\\\-5y=-4x+2\ \ \ \ |:(-5)\\\\y=\dfrac{4}{5}x-\dfrac{2}{5}\to m_1=\dfrac{4}{5}\\\\l:y=m_2x+b\\\\k\ \prep\ l\Rightarrow\dfrac{4}{5}m_2=-1\ \ \ \ |\cdot\dfrac{5}{4}\\\\m_2=-\dfrac{5}{4}

l:y=-\dfrac{5}{4}x+b

The line l is passing through point (0, 0). Substitute the coordinates of the point to the equation of a line l:

0=-\dfrac{5}{4}\cdot0+b\to b=0

y=-\dfrac{5}{4}x\ \ \ \ |\cdot4\\\\4y=-5x\ \ \ \ |+5x\\\\5x+4y=0

<h2>Answer: 5x + 4y = 0</h2>
8 0
3 years ago
Please help i need the answer asap!!!
IrinaK [193]

Answer:

35 cm

Step-by-step explanation:

You can use the Cosine Rule to find the length of a side when two sides and the included angle are given.

a² = b² + c² - 2bc cos A

a² = (36²) + (52²) - 2(36)(52) cos 42°

a² = (1296) + (2704) - (3744)(0.7431448255)

a² = (4000) - (2782)

a² = 1218

a = ✓1218

a = 34.9 cm

7 0
3 years ago
If five pounds of potatoes cost $3.45, then 2 lb cost $.89.
timama [110]
<span>if this a true or false question, that is false </span><span>you will see that 2 lbs of potatos cost $1.38 (:
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3 0
3 years ago
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General admission tickets to the fair cost $3.50 per person ride passes cost an additional $5.50 per person parking costs $6 for
Dovator [93]
5 people attended the fair bc 9x5is 45 plus 6 for parking makes 51
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