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dexar [7]
3 years ago
8

Simplify: (2x + 8)(7x2 - 9x - 5)

Mathematics
2 answers:
kondaur [170]3 years ago
8 0

Answer:

-18x^2 -54x + 72

Step-by-step explanation:

Ilya [14]3 years ago
5 0
(2x+8)(7x2-9x-5) simplifies to -18x2−54x+72
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Amber and Allen both leave there house to go to their grandmother's house 240 miles away. Amber travels at a speed 60 mph. If sh
Montano1993 [528]

If she leaves 15 minutes earlier than Allen, she would have to drive at 56.47 mph to arrive at the same time as Amber

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more number and variables.

Amber travels at a speed 60 mph, hence the time taken (t) is:

60 = 240/t

t = 4 hours

If he leaves 15 minutes earlier, the time would be 4 hr + 0.25 hr (15 min) = 4.25 hr, hence:

Speed = 240 miles / 4.25 hr = 56.47 mph

If she leaves 15 minutes earlier than Allen, she would have to drive at 56.47 mph to arrive at the same time as Amber

Find out more on equation at: brainly.com/question/2972832

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4 0
2 years ago
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LenKa [72]

the answer is:

42.5

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i commented the explanation in my answer

6 0
3 years ago
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Erica knits has 18 squares on Monday .She knits 7 more squares each day from Tuesday through Thursday .How many squares did Eric
pantera1 [17]

Answer:

39 squares in all

Step-by-step explanation:

step 1 right it out

18-monday

7-tuesday

7-wednesday

7-thursday

Step 2 add them all up

then you get 39

hopes it help make me brainlist

3 0
3 years ago
Jamie went to the his 6 friends. For each friend, he spent $4.75 for a sandwich, $1.25 for a cold beverage, and $.56 for a piece
masha68 [24]

Answer:

Jamie spent $39.36 in total.

Step-by-step explanation:

First, add the money spent for the sandwich, beverage, and fruit together.

4.75 + 1.25 + .56 = 6.56

Then, multiply the amount spent for one friend by six to find the total.

6.56 x 6 =39.36

I hope this helped you!

8 0
3 years ago
What is the area of the pentagon shown? 16 cm 15 cm 18 cm 20 cm 360 cm2 354 cm2 300 cm2 297 cm2​
nexus9112 [7]
U need upload the image
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3 years ago
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