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DerKrebs [107]
3 years ago
8

2a + 3b = 5 b= a - 5

Mathematics
1 answer:
Kaylis [27]3 years ago
5 0

Answer:

A= 4

B= 1

Step-by-step explanation:

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NEED HELP HURRY ASAP FREE BRAINLIST
Tamiku [17]
It’s c.

5(how many tickets) x 2(cost of one ticket) equals 10. 25(total amount of money)- 10(how much money the tickets cost in total) equals 15(the entry fee)

10 (how many tickets) x 2(cost of one ticket) equals 20. 35(total amount of money)- 20(how much money the tickets cost in total) equals 15(the entry fee)
4 0
3 years ago
Reduce the ratio to its lowest form. 72:8​
dmitriy555 [2]

Answer:

9:1

Step-by-step explanation:

Try to reduce the ratio further with the greatest common factor (GCF).  

The GCF of 72 and 8 is 8  

Divide both terms by the GCF, 8:

72 ÷ 8 = 9

8 ÷ 8 = 1  

The ratio 72 : 8 can be reduced to lowest terms by dividing both terms by the GCF = 8 :  

72 : 8 = 9 : 1  

Therefore:

72 : 8 = 9 : 1

4 0
3 years ago
The lemonade stand at the county fair sells the lemonade at a price of two cups for $3.60. Complete the table at right to find w
kakasveta [241]
$3.60 for 2 cups would be $1.80 for one cup.

$3.60 for 2

$5.40 for 3

$7.20 for 4

$9 for 5

$10.80 for 6

$12.60 for 7

$14.40 for 8



4 0
3 years ago
Which statement about x2 + 10x = 11 is true?
Agata [3.3K]

Equations are statements that have equal values, when compared

The true statement about x^2 + 10x = 11 are x = 1 and x = -11

<h3>How to determine the true statement</h3>

The equation is given as:

x^2 + 10x = 11

Rewrite as:

x^2 + 10x - 11 = 0

Expand

x^2 + 11x - x - 11 = 0

Factorize

x(x + 11) -1( x + 11) = 0

Factor out x + 11

(x -1)(x + 11) = 0

Solve for x

x = 1 or x = -11

Hence, the true statement about x^2 + 10x = 11 are x = 1 and x = -11

Read more about equations at:

brainly.com/question/1214333

6 0
2 years ago
find the exact atea under y=x^2 on the interval [0,2] by using an infinite number of circumscribed rectangles. (Hint: 1^2 + 2^2
sergeinik [125]

Answer:  \bold{\dfrac{8}{3}}

<u>Step-by-step explanation:</u>

\int\limits^2_0 {x^2} \, dx =\dfrac{x^3}{3}\bigg|^2_0=\bigg(\dfrac{2^3}{3}\bigg)-\bigg(\dfrac{0^3}{3}\bigg)=\dfrac{8}{3}-0=\dfrac{8}{3}

NOTE: Neither the Trapezoidal Rule or Reimann Sums can be used without the number of rectangles (n) you are separating the interval into.  Besides, they only provide an estimate. If you want the EXACT area, you must use integration.

8 0
3 years ago
Read 2 more answers
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