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kompoz [17]
3 years ago
11

Select the expression equivalent to (2.1x + 4.3) - (-3x - 7)

Mathematics
2 answers:
Andrew [12]3 years ago
4 0
X= 5.1x+11.3
Explanation : combine like terms which is 5.1x and 3x and you get the answer D!
lisabon 2012 [21]3 years ago
4 0
It c hope it help you
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1. (02.01 MC) Celine has a bottle that contains 20% milk and the rest water. The bottle has 1 liter of water. Part A: Write an e
krok68 [10]

Answer:

A. Total number of liters = 1.25 liters

B. Milk = 0.25 liters

Step-by-step explanation:

Let

x = total number of liters ( milk + water )

Milk = 20% of x

= 0.2x

Water = 1 liter

Total number of liters = milk + water

x = 0.2x + 1

x - 0.2x = 1

0.8x = 1

Divide both sides by 0.8

x = 1 / 0.8

= 1.25

x = 1.25 liters

Total number of liters = 1.25 liters

B.

Liters of milk in the bottle = Total number of liters - liters of water

= 1.25 liters - 1 liter

= 0.25 liter

Milk = 0.25 liters

8 0
3 years ago
240,000 written as a whole number multiplied by the power of ten
Stolb23 [73]
This question can be also asked as what is the scientific notation of the number 240,000. The scientific notation is written as <span>a whole number multiplied by the power of ten. It should be written as follows:

2.4 x 10^5

Hope this helps. Have a nice day.</span>
8 0
4 years ago
Given: circle k(O), diameter US, measure of arc RU=50, measure of arc UT=30
sleet_krkn [62]

Answer:

angle RUS = 65 degrees

angle STU = 90 degrees

Step-by-step explanation:

(a) find angle RUS

Given arc RU = 50 degrees, so angle RSU = 50/2 = 25 degrees

Since US is the diameter,

angle URS is a right-angle.

Consider triangle RUS,

sum of angles of a triangle = 25+90+RUS = 180  

solve for

RUS = 180 - 25 - 90 = 65 degrees.

(b) Find STU

All diameters span a right angle at the circumference,

since we're given US is a diameter, this means that

angle STU is a right angle.

3 0
3 years ago
Two dice are thrown. Determine the probability of obtaining a score of at least 4.
VashaNatasha [74]

11/36 would be the probability of getting 4 , when two dice are thrown simultaneously.

As there are 6 faces of die,
So Probability of Not getting four in one dice = 5/6

As both events are mutually exclusive, the probability of not getting four in two dice = (5/6) * (5/6) = 25/36

So probability of getting at least one four is = 1-(25/36) = 11/36

So probability = 11/36

Learn more about probability refer:

brainly.com/question/24756209

#SPJ10

6 0
2 years ago
If a triangle has a side that is 5 and a side that is 12, what is the third side
8090 [49]
Is this multiple chose? if so I would like to see the answers. But just using my brain, I would say, 5, or 7. 
7 0
3 years ago
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