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Usimov [2.4K]
3 years ago
12

Given that P=x+y. Find P when: x=−5 and y=−3

Mathematics
1 answer:
Sergio [31]3 years ago
8 0

Answer:

P = - 8

Step-by-step explanation:

Given

P = x + y ← substitute x = - 5 and y = - 3

P = - 5 + (- 3) = - 5 - 3 = - 8

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The area of a rectangle is 144cm squared. The length of the rectangle is 8 cm. What is the measure of the width of the rectangle
Gelneren [198K]
<h2>Greetings!</h2>

Answer:

The width is 18cm

Step-by-step explanation:

If the equation of the area of a rectangle is:

Area = length * width

Then you substitute in the values you know:

144 = 8 * width

To find the width you need to rearrange the formula to make the width the subject. Do this by dividing the area by the length:

Width = 144 / 8

Width = 18

So the width is 18cm


<h2>Hope this helps!</h2>
3 0
3 years ago
Compute the value of the discriminant and give the number of real solutions to the quadratic equation:
dexar [7]
ax^2+bx+c=0\\
3x^2-7x+9=0
a=3 b=-7 c=9
\Delta=b^2-4ac=(-7)^2-4*3*9=49-108=-59
\Delta
If the delta is less than zero and if no polynomial real roots
3 0
3 years ago
Read 2 more answers
5
kykrilka [37]

Answer:

OC

Step-by-step explanation:

4×3=12m

5+1=6n

4÷1=4

5 0
2 years ago
Sanford's gym coach made him run 20 laps on a 400 m track. How many kilometers did he run? How many miles?
Andrej [43]

Answer:

8km  5mi

Step-by-step explanation:

20x400=8000meters a km = to 1000meters

8000/1000=8km

A mile is a kilometer/ 1.6  8/1.6=5 miles

8 0
2 years ago
Factor completely 8y^3 + 16y^2
Vlad1618 [11]

Answer:

8y^2 (y+2)

Step-by-step explanation:

8y^3 + 16y^2

both terms contain an 8 and a y^2 so we can factor them out

8y^2 (y+2)

3 0
3 years ago
Read 2 more answers
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