4a -4a + 3 Distributive property

0 -3 Combine like terms.

3 simplify

I really don't get how they got plus 3

Thanks again!

Answer:

**Answer:**

**Step-by-step explanation:**

4a - (4a-3)

= 4a -1(4a - 3)

= 4a - 4a + 3 <--- Distributing the -1 over the parenthes

=** 3** <---- ( as 4a - 4a = 0)

) At a certain college, students are allowed to choose between online and in-person learning. 70% of the students choose online learning and 30% choose to come to campus for in-person instruction. Assume that the probability that a person studying online will contract the coronavirus is .02 and the probability that a person attending class in-person contracts the virus is .35 . (a) What is the probability that a person attending this college (either online or in-person) will contract the virus

Find the value of the variable and the measure of each labeled angle.

Jose is now six years older than John. In two years, Jose will be twice as old as John. How old is John now?

I need some help real quick

Please help I'm really bad at math and I can't get a bad grade can someone help me please max points

Find the value of the variable and the measure of each labeled angle.

Jose is now six years older than John. In two years, Jose will be twice as old as John. How old is John now?

I need some help real quick

Please help I'm really bad at math and I can't get a bad grade can someone help me please max points

**Answer:**

21%

**Step-by-step explanation:**

195 divided by 245 = 0.79 approximately

100-79=21

Always divide the small number by the big number for percentages

Good luck!

**Answer:**

m=15

**Step-by-step explanation:**

**Answer:**

1 5

**Step-by-step explanation:**

**Answer:**

Lower limit = 936.8

Upper limit = 1442.8

**Step-by-step explanation:**

We ar**e given the following** information in the question:

Mean, μ = 1189.8 cube cm

Standard Deviation, σ = 126.5 cube cm

**Range rule of thumb:**

- The range rule of thumb says that the range is four times the standard deviation.

- The range rule of thumb suggests that most values would be in the area covered by four standard deviations that is within two standard deviations above or below the mean.

**Lower limit = **

**Upper limit =**

Thus, most values lie within (936.8,1442.8)

A brain volume of 1432.8 cube cm is not significantly high because it is less than the upper limit.

Answer:

Step-by-step explanation:

608,000

you go to thousands look next number left and round up or down and the rest after the thousands becomes zeros

608,149 rounded to the nearest thousand is 608,000. The **process** involved looking at the digit in the hundreds place, determining it was less than 5, and therefore replacing it and all numbers to its right with zeroes.

To round 608,149 to the nearest thousand, you need to look at the digit in the **hundreds place**. This is the 1 in 608,149. Because 1 is less than 5, you leave the number in the thousands place (the 8 in 608,149) as it is, and change all the numbers to its right (149) in the original number to zeros. So 608,149 rounded to the nearest thousand is 608,000.

#SPJ3

application of the quadratic formula.

**Answer:**

**Option (2) **

**Step-by-step explanation:**

For a quadratic equation,

ax² + bx + c = 0

roots of this equation can be determined by using quadratic formula,

x =

Comparing this quadratic equation with the given equation,

y = 2x² - 5x + 18 = 0

a = 2

b = (-5)

c = 18

By substituting these values in the given formula,

x =

Therefore,** Option (2) will be the answer.**

B. The slope m is run over rise, so x over y=m. Solve for x=ym.

C. The slope m is run over rise, so x over y=m. Solve for y to get y= x over m.

D. The slope m is rise over run, so x over y=m. Solve for x to get x=ym.

**Answer:**

**Step-by-step explanation:**

m (slope) =__ rise __ = __ y __ = __ y₁ - y₁ __

run x x₁ - x₁

to get y = mx

therefore, the answer to the question is :

**A. The slope m is rise over run, so y over x =m. **

** Solve for y to get y=mx.**