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ehidna [41]
2 years ago
9

Solve each of the following equations.(4b + 11)(3b - 7) = 0​

Mathematics
1 answer:
Andrej [43]2 years ago
3 0

Answer:

4b = 4(11/4)

3b = 3(7/3)

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ASAP please...........​
Veseljchak [2.6K]

Answer:

I think it would be b

Step-by-step explanation:

He doesn't want to spend more than 50 and he needs 8 for lunch so the 8 dollars and the book can't go over 50.

Its either a or b im just not sure if its plus 8 or minus 8. sorry

4 0
2 years ago
Read 2 more answers
Mary is preparing for her college entrance exams in a practice test she answered 12 problems in 30 minutes at this rate how many
kap26 [50]

Answer:

40 problems in 100 minutes

Step-by-step explanation:

This is a ratio problem.

You first divide 30 minutes by three to get how many problems she can do in 10 minutes. What you do to one side you do to the other side. So then, you should have 4 problems in 10 minute. Then, you multiply 10 by 10 and 4 by 10 to get 40 problems in 100 minutes.

6 0
3 years ago
Will award brainliest, What is the area, in square units, of the polygon shown?
slavikrds [6]
7 x 2 = 14
3 x 1 = 3

14+3 = 17

answer 17 unit^2

7 0
3 years ago
Plz help!
vlabodo [156]

Answer:

$76.8

Step-by-step explanation:

As, So 20% of 64 will be the markup price.

So 20/100 x 64 = $12.8

Now Markup price = $12.8

And The retail price = markup price + original price = $12.8 + $64 = $76.8

5 0
3 years ago
The length of one base of a trapezoid is 19 less than five times the length of the other base. If the trapezoid has a height of
ycow [4]

The length of the longer base is 41 ft.

<u><em>Explanation</em></u>

Lets assume, length of one base is x ft.

As, another base is 19 less than five times the length of this base, so the length of another base = (5x- 19) ft.

The trapezoid has a height of 18 ft and area of 477 ft²

Formula for Area of trapezoid, A=\frac{1}{2} (a+b)*h , where a, b = Two bases of trapezoid and h = height of the trapezoid.

Given in the question: A= 477 and h= 18

We have also two bases as: a= x and b= 5x-19

So, according to the above formula...

A= \frac{1}{2}(a+b)h\\\\ 477=\frac{1}{2}(x+5x-19)*18\\\\ 477=9(6x-19)\\\\477= 54x-171\\\\477+171=54x\\\\648=54x\\\\x=\frac{648}{54} = 12

So, length of one base is 12 ft  and another base =(5*12-19)ft =(60-19)ft = 41 ft

That means, the length of the longer base is 41 ft.



8 0
3 years ago
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