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3 years ago

What is the slope of these coordinates (2,30), (5,75).

Mathematics

2 answers:

Citrus2011 [14]3 years ago

5 0

Answer:

45/3 or 15 simplified

Step-by-step explanation:

so b. 15

Nonamiya [84]3 years ago

4 0

Answer:

Quick answer is B

Step-by-step explanation:

Use the rise over run method Y2-Y1 over X2-X1 and get your fraction. Divide your fraction to get your number and you get 15. Your equation should be simalar to this 75-30 over 5-2= 45 over 3 which is equal to 15.

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What is the best approximation of the solution to the system to the nearest integer values? 2x-5y=-20

serg [7]

2x - 5y = -20 ⇒   4x - 10y = -40
3x + 2y = 20 ⇒ 15x + 10y = 100
19x = 60
19 19
  x = 3³/₁₉
2x - 5y = -20
  2(3³/₁₉) - 5y = -20
  6⁶/₁₉ - 5y = -20
- 6⁶/₁₉ - 6⁶/₁₉
  -5y = -26⁶/₁₉
-5 -5
y = 5⁵/₁₉
(x, y) = (3³/₁₉, 5⁵/₁₉)
The best approximation of the solution to the system of the nearest integer values are (4, 6), or (x, y) ≈ (4, 6).

6 0

3 years ago

Please help on the coordinate plane only.

nordsb [41]

Answer:

the perimeter is 10.5 and the area is 33.75

Step-by-step explanation:

8 0

3 years ago

How to turn 0.07 with the repeating bar on the 7 into a fraction?

trapecia [35]

Use a 9 instead of a ten. for example, 7/(9 x 10) = 7/90

5 0

3 years ago

A box contains eighteen $1 bills, ten $5 bills, eight $10 bills, three $20 bills, and one $100 bill. You blindly reach into the

zubka84 [21]

Answer: $7.70

Step-by-step explanation:

Given : A box contains eighteen $1 bills, ten $5 bills, eight $10 bills, three $20 bills, and one $100 bill.

Total bills = $18+10+8+3+1=40$

We know that probability of any event = $\dfrac{\text{Favorable outcomes}}{\text{Total outcomes}}$

i.e. the probability of getting $1 bills = $P(E_1)=\dfrac{18}{40}=0.45$

Probability of getting $10 bills = $P(E_2)=\dfrac{10}{40}=0.25$

Probability of getting $5 bills = $P(E_3)=\dfrac{8}{40}=0.2$

Probability of getting $20 bills = $P(E_4)=\dfrac{3}{40}=0.075$

Probability of getting $100 bills = $P(E_5)=\dfrac{1}{40}=0.025$

$\text{Expected value =}1\times P(E_1)+5\times P(E_2)+10\times P(E_3)+20\times P(E_4)+100\times P(E_5)\\\\=1\times 0.45+5\times 0.25+10\times0.2+20\times 0.075+100\times 0.025\\\\=7.7$

Hence, the expected value of your draw= $7.70

5 0

4 years ago

Which is a value of x that will make x-4<-3 true? a) -1 b) 1 c) 2 d) 7

alex41 [277]

The answer is the second one (b) 1

3 0

3 years ago

Read 2 more answers