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Maksim231197 [3]
3 years ago
14

Expand.Your answer should be a polynomial in standard form.(x-1)(x+4)=

Mathematics
2 answers:
Montano1993 [528]3 years ago
8 0

Answer:

X^2+3x-4

Step-by-step explanation:

This is the answer

lara [203]3 years ago
3 0

Answer:   x^2+3x-4

Step-by-step explanation:

if you f.o.i.l (first, outer, inner, last)

you will get x^2+4x-1x-4

this comes out to be x^2+3x-4

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Identity check was $58 if they gave the waiter a 20% tip how much did she spend in all
Svetllana [295]
69.6 is the answer to ur question










6 0
3 years ago
What is the value of
vitfil [10]

Answer:

Can you please write a logical question

4 0
2 years ago
Ms. Anguiano is enjoying a bicycle ride on a country road
GalinKa [24]

Answer:

The rate is 13 miles per hour

Step-by-step explanation:

* Lets explain how to solve the problem

- Jim lives three miles east of State College

- At noon, he leaves his house and begins to walk due east at a

constant speed of 2 miles per hour

- Annie lives four miles north of State College

- At noon, she leaves her house and begins to bicycle due north at a

constant speed of 8 miles per hour

- The east is perpendicular to the north

* Lets solve the problem

∵ At noon means 12 p.m

∵ They moved till 1 p.m

∵ Jim walked for 1 hour and Annie bicycled for 1 hour

∵ The rate of Jim is 2 miles per hour

∵ The rate of Annie is 8 miles per hour

- The distance = rate × time

∴ Jim walked = 2 × 1 = 2 miles

∴ Annie bicycled = 8 × 1 = 8 miles

- Lets calculate the distance of Jim from the State College till his

position at 1 p.m

∵ Jim lives three miles east of State College

∴ His distance at 1 p.m = 3 + 2 = 5 miles east

- Lats calculate the distance of Annie from the State College till her

position at 1 p.m

∵ Annie lives four miles north of State College

∴ Her distance at 1 p.m = 4 + 8 = 12 miles North

- Lets find the distance between them at 1 p.m

∵ The north ⊥ east

- Use Pythagoras Theorem to find the distance

∴ The distance = √(5² + 12)² = √(25 + 144) = √169 = 13 miles

- The rate = distance/time

∵ The distance between them is 13 miles in 1 hour

∴ The rate = 13/1 = 13 miles per hour

* The rate is 13 miles per hour

6 0
3 years ago
A. 90<br> b. 110 <br> c. 100<br> d. 55
ss7ja [257]
The answer is 110.


The 55 degree angle is related to arc B. The measure of arc B is double the measure of the angle. So, arc B covers 55*2=110 degrees.
8 0
2 years ago
Read 2 more answers
I the revenue for the week is $2000, and labor cost consists of two workers earning $8 per hour who work 40 hours each, what is
MA_775_DIABLO [31]

Revenue = $2000


Labour cost = 40 x 8 = $320


Percentage = 320/2000 x 100 = 16%


Answer: 16%

4 0
2 years ago
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