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Juli2301 [7.4K]
4 years ago
15

Simplify the expression: 4(2a)+7(-4b)+(3b-5)

Mathematics
1 answer:
Alexus [3.1K]4 years ago
8 0
8a-25b-5 is the answer to ur question
You might be interested in
Eduardo’s average speed on his commute to work was 55 miles per hour. On the way home, he hit traffic and only averaged 40 miles
Angelina_Jolie [31]

40(1.25-t) is missing from the table

Time, speed, and distance are the three factors must be taken into account.

How to solve such time related questions?

The key concept for solving such questions is the relationship between speed, distance and time.

The relationship between them is Distance = Speed X Time

We provide both time and speed.

It is necessary to compute the distance.

55 miles per hour is the commuter speed

Worktime equals 1.25-T

Home-bound speed is 40 miles per hour.

1.25 seconds to get home

Time in Total = T + t = 1.25

Travel distance to home

Distance/Time x Speed

40 = Total Distance/t

Distance overall = 40 (1.25-t)

As a result, 40(1.25-t) is the right response.

Learn more about time related questions :

brainly.com/question/12876231

#SPJ4

6 0
2 years ago
ANSWER FAST PLZ 20POINTS!!!!!!!!!!!!!!!!!!
Vika [28.1K]

Answer:

226.8cm^2

Step-by-step explanation:

A=pir^2

24/4 = 6 (radius of small circles)

pi6^2= 113.097335529 times 2 (because theres 2 of them)

=226.8

24/2 = 12 (radius of big circle)

pi12^2= 452.4 minus 226.8 (to get the leftover space)

=226.8

7 0
3 years ago
If Chelsea walks 1/2 mile in 1/4 hour how far does she walk per hour ?
nignag [31]
1/2*4=2

She walks 2 miles per hour
8 0
4 years ago
Ill give brainliest,
Aleksandr [31]
The answer should be 380/0.5 =760 speed
7 0
3 years ago
Please assist. No links or your account is getting banned
Rus_ich [418]

Answer:

a^-^7

Step-by-step explanation:

\frac{a^{-13}}{a^{-6}}

\mathrm{Apply\:exponent\:rule}:\quad \frac{x^a}{x^b}=x^{a-b}

=a^{-13-\left(-6\right)}

\mathrm{Apply\:rule}\:-\left(-a\right)=a

=a^{-13+6}

\mathrm{Add/Subtract\:the\:numbers:}\:-13+6=-7

=a^{-7}

Answer =a^{-7}

<em>~Learn with Lenvy~</em>

5 0
2 years ago
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