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VARVARA [1.3K]
3 years ago
6

Can anyone please help with 2 and 3

Mathematics
1 answer:
Maksim231197 [3]3 years ago
5 0

Answer:

question 2 : answer - [tex]x^{2} + 8x^

Step-by-step explanation:

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A scale drawing of an automobile has a scale of 1 in.
Paul [167]
The correct question in the attached figure

we know that
the scale is 1 in (scale drawing)= (1/2) foot (actual)-----> 1/(1/2)=2 in/ft
[scale]=[scale drawing]/[actual]
then
[scale drawing]=[scale]*[actual]
therefore
for  <span>actual width of the car  8 ft
</span>[scale drawing]=[2 in/ft]*[8 ft]=16 in
<span>
the answer is 16 in
</span><span>
</span>

5 0
3 years ago
When the factors of a trinomial are (x+p) and (x-q) then the coefficient of the x-term in the trinomial is:
kondor19780726 [428]

Answer:

p - q

Step-by-step explanation:

Given the factors

(x + p)(x - q) ← expanding the factors

= x² - qx + px - pq ← collect like terms

= x² + px - qx - pq ← factor out x in each of the x- terms

= x² + (p - q)x - pq

The coefficient of the x- term is p - q

6 0
3 years ago
I run 8.8 feet per second. How far is this in miles per hour?
Eduardwww [97]
5.8 mph because 8.5ft/sec=8.5*3600/5280
5 0
3 years ago
Read 2 more answers
What is the angle of elevation of the sun when a 49-ft mast casts a 22 ft shadow?
11Alexandr11 [23.1K]

Answer:

\theta=65.82^{\circ}

Step-by-step explanation:

Given that,

Perpendicular = 49 ft

Base = 22 ft

We need to find the angle of elevation of the sun. It can be calculated using trigonometry as follows :

\tan\theta=\dfrac{P}{B}\\\\\tan\theta=\dfrac{49}{22}\\\\\theta=65.82^{\circ}

So, the required angle of elevation is 65.82^{\circ}.

5 0
3 years ago
Solve for the value of x 3x - 9 + 12 - 6x = -18
Zinaida [17]

Answer:

x=7

Step-by-step explanation:

3x-9+12-6x=-18

now let’s put together the like terms

3-3x=-18

-3x=-21

now we divide -21 By -3

the result is

x=7

5 0
4 years ago
Read 2 more answers
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