All categories

3 years ago

Simplify: 8.2c−0.9+(5.4−18d+7.2c)÷0.06

1 answer:

5 0

8.2c−0.9+(5.4−18d+7.2c)÷0.06 Distribute: =8.2c+−0.9+120c+−300d+90

 =(8.2c+120c)+(−300d)+(−0.9+90) =128.2c+−300d+89.1 Answer:=128.2c−300d+89.1

You might be interested in

Answer this equation: 4 3/5 - -3 2/5 + 3

horrorfan [7]

Answer:

Step-by-step explanation:

$4\frac{3}{5} -(-3\frac{2}{5})+3$

Negative and another negative makes a positive.

$4\frac{3}{5}+3\frac{2}{5}+3$

Add the fractions first.

$7\frac{5}{5}+3$

5/5 is equivalent to 1. 7 5/5 becomes 8.

$8+3$

Add the numbers.

$24$

I hope this helps!

6 0

3 years ago

Read 2 more answers

Please hurry i don't have much time left!

quester [9]

Answer:

Check below

Step-by-step explanation:

That's too bad you haven't attached a rectangle.

Here's an example, with the data you've typed in.

1) When we dilate a rectangle we either grows it or shrink it through a scale factor.

Check the first picture below.

The New Dilated Rectangle A'B'C'D' will follow its coordinates, when the Center of Dilation is at its origin(Middle):

$D_{A'B'C'D'}=\frac{1}{2}(x,y)$

2) But In this question, B is the center of Dilation. So, Since B is the Dilation Point B=B' . And More importantly:

$\bar{AB}=\frac{1}{2}\bar{A'B'}\\\bar{CD}=\frac{1}{2}\bar{C'D'}\\\bar{AC}=\frac{1}{2}\bar{A'C'}\\\bar{CD}=\frac{1}{2}\bar{C'D'}\\$

3) So check the pictures below for a better understanding.

6 0

3 years ago

Read 2 more answers

Help plz it’s 50 points help

abruzzese [7]

Answer:

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

SAT scores are distributed with a mean of 1,500 and a standard deviation of 300. You are interested in estimating the average SA

kotegsom [21]

Answer:

I should use at least 304 students

Step-by-step explanation:

Margin error (E) = t × sd/√n

E = 40

sd = 300

confidence level (C) = 98% = 0.98

significance level = 1 - C = 1 - 0.98 = 0.02 = 2%

t-value corresponding to 2% significance level and infinity degree of freedom is 2.326

n = (t×sd/E)^2 = (2.326×300/40)^2 = 17.445^2 = 304 (to the nearest integer)

3 0

3 years ago

If it takes Maddox 7.5 hours to drive 375 miles, how far could he drive in 3 hours at the same rate?

stealth61 [152]

Answer:

150 miles

Step-by-step explanation:

375 divided by 7.5 is 50

50 time 3 is 150

4 0

2 years ago

Read 2 more answers