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Darya [45]
3 years ago
11

What is the missing constant term in the perfect square that starts x^2+10x?

Mathematics
2 answers:
Arturiano [62]3 years ago
7 0
You divide the coefficient of +10x  ( that is 10) by 2. This gives +5 , then  square this to give + 25.

The perfect square is x^2 + 10x + 25   (which equals (x + 5)^2)
max2010maxim [7]3 years ago
4 0
<span>x^2+10x + 25 = (x + 5)^2

missing = 25

hope it helps</span>
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The angle of elevation of the sun is 22∘. A 6ft tall man is standing in the shadow of a 76 ft tall tree so that the tips of thei
Anika [276]

Answer: 173.26 ft = 173 ft

Step-by-step explanation:

h tree: 76 ft

h man: 6 ft

As we can see on the sketch, they form a right triangle, so:

tan 22 = 76/y ⇒ 0.404 = 76/y ⇒ y = 76*0.404 ⇒ y = 188.11 ft

tan 22 = 6/x ⇒ 0.404 = 6/x ⇒ x = 6*0.404 ⇒ x = 14.85 ft

distance between the man and the tree = y - x = 188.11 - 14.85 = 173.26 ft

6 0
3 years ago
A used automobile dealership recently reduced the price of a used compact car by 6%. If the price of the car before discount was
Alchen [17]

Answer:

The discount = $1,128

New price = $17,672

Step-by-step explanation:

Price of car before discount = $18,800

Discount given = 6% of price of car

Discount value in dollars = 6% of $18,800 = 6/100*$18,800 = $1,128

Thus, the discount is $1,128

New price = Price of car before discount - discount = $18,800- $1,128

New price = $17,672

7 0
3 years ago
Enter the equation in standard form.<br> y − 6 = −(x + 4)
worty [1.4K]
<h3>Answer:   x + y = 2</h3>

====================================================

Work Shown:

y - 6 = -(x + 4)

y - 6 = -x - 4

y = -x - 4 + 6 ..... adding 6 to both sides

y = -x + 2

y + x = 2 .... adding x to both sides

x + y = 2

The equation is in standard form Ax+By = C, with A = 1, B = 1, and C = 2.

3 0
3 years ago
A base ball is thrown a distance of 60 feet what is its speed if it take 5 seconds to cover the distance
vagabundo [1.1K]
60 ft. / 5 sec = 12 mph.
4 0
3 years ago
Read 2 more answers
I need help on my homework! i've tried a couple of times on these 3 but im confused thanks
statuscvo [17]
15/6=2.5 which is the scale factor since they are similar triangles. We divide each side of the large triangle by 2.5 to get the sides for the small triangle since they are similar. 20/2.5=8cm
25/2.5=10cm

For the second problem, you put 15/6 and set in equal to x/8 when you cross multiply you get 6x=120 then you divide x=20

For the last problem, you divide 43,75 by 5 then multiply it by 400 to get the kiloliters which equals 3,500.


4 0
3 years ago
Read 2 more answers
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