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andrew-mc [135]
3 years ago
15

Urgent 50 points please put all the steps to finish

Mathematics
2 answers:
Anna71 [15]3 years ago
7 0

- 3x +  y =  - 2 \\y = 3x - 2

11Alexandr11 [23.1K]3 years ago
6 0
Here’s how I would do this.
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Given that ABC~LMN<br> What is the length of AC?
sleet_krkn [62]

Answer:

B. 12

Step-by-step explanation:

✔️Find the value of x

The side lengths of two similar triangles are always proportional.

Given that ∆ABC ~ ∆LMN, therefore:

\frac{AB}{LM} = \frac{AC}{LN}

AB = 5

LM = 10

AC = x + 5

LN = 3x + 3

Plug in the values

\frac{5}{10} = \frac{x + 5}{3x + 3}

Cross multiply

5(3x + 3) = 10(x + 5)

15x + 15 = 10x + 50 (distributive property)

Collect like terms

15x - 10x = -15 + 50

5x = 35

Divide both sides by 5

x = 7

✔️Find AC

AC = x + 5

Plug in the value of x

AC = 7 + 5

AC = 12

6 0
3 years ago
Which of the follow tables do not show a linear function
valina [46]
C , i dont know if it’s right but it’s the only table with the same number on the bottom . and same number in general
6 0
3 years ago
Read 2 more answers
How do you simplify: 5(8 + 7) ?<br><br> a. 75<br> b. 65<br> c. 47<br> d. 15
tia_tia [17]

Answer:

C. 47

Step-by-step explanation:

5(8 + 7)

Expand the brackets. Brackets mean to multiply.

5(8 + 7)

5 * 8 + 7

= 40 + 7

= 47

8 0
3 years ago
Read 2 more answers
Question 4 of 30
Gemiola [76]

Answer:

1/36

Step-by-step explanation:

prob of each dice is 1/6

=1/6 * 1/6

6 0
2 years ago
A scientist is growing bacteria in a lab for study. One particular type of bacteria grows at a rate of y=2t^2+3t+500. A differen
Leya [2.2K]

ANSWER

Approximately after 15 minutes.

EXPLANATION

The growth rate of the first bacteria is

y = 2 {t}^{2}   + 3t + 500

The growth rate of the first bacteria :

y = 3 {t}^{2}  + t + 300

To find the time that, there will be an equal number of bacteria, we equate the two equation;

3 {t}^{2}  + t + 300 = 2 {t}^{2}   + 3t + 500

3 {t}^{2}  - 2 {t}^{2}   + t  - 3t +  300 - 500 =00

{t}^{2}  - 2t  - 200= 0

We solve for t to get,

t = 15.177

Or

t =  - 13.177

We discard the negative value.

This implies that,

t \approx15

8 0
3 years ago
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