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IrinaVladis [17]
3 years ago
8

Ed is doing a survey of popular colors for cars for a school report. He decides to take a sample by sitting near a busy intersec

tion and noting the colors of the cars as they go by him. Ed counts 23 black cars, 9 red cars, 17 blue cars, 25 white cars, and 21 silver cars during 20 minutes of watching. How many more white and blue cars are there than silver and red cars?
Mathematics
1 answer:
pentagon [3]3 years ago
5 0
For the answer to the question above, 
I'll show the solution for my answer just to give you clarity. It will look like this,
<span>(25+17 )- (9+21)
</span>
So the answer to your question is 12.
I hope my answer helped you. Have a nice day!
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The probality of an event must be expressed as a percent
amid [387]

Answer:

False

Step-by-step explanation:

there is 3 ways

decimals

fractions and

percentages


7 0
3 years ago
Read 2 more answers
Mickey used these calculations to find how much he would spend on 7 cartons of eggs, if 12 cartons of eggs cost $22.20. Describe
timofeeve [1]
Mickey incorrectly calculated the unit price:
\frac{12}{22.20} = 0.54

The correct operation is:
\frac{22.20}{12} = 1.85

Each carton costs 1.85, so 7 cartons cost
1.85 \times 7 = 12.95
8 0
3 years ago
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What is 3x +99 2(8*3)= 135<br> what is x equal to?
Ivenika [448]

Answer: -4

Step-by-step explanation: I am guessing you meant ...99  + 2(8*3)...

3x + 99 + 2(8 x 3) = 135

3x + 99 + 2(24) = 135

3x + 99 +48 = 135

3x + 147 = 135

(3x + 147) - 147 = (135) - 147

3x = -12

(3x) ÷ 3 = (-12) ÷ 3

x = -4

3 0
3 years ago
What is 3123532488697 x 5676576876896786
horrorfan [7]
The answer to ur question is 1.77309723E28.
Hope this helps and can i get brainliest answer.
4 0
3 years ago
Read 2 more answers
Can 3.65909090909 be expressed as a fraction whose denominator is a power of 10? Explain.
GuDViN [60]
\bf 3.659\textit{ can also be written as }\cfrac{3659}{1000}\textit{ therefore }3.6590909\overline{09}\\\\&#10;\textit{can be written as }\cfrac{3659.0909\overline{09}}{1000}

notice above, all we did, was isolate the "recurring part" to the right of the decimal point, so the repeating 09, ended up on the right of it.

now, let's say, "x" is a variable whose value is the recurring part, therefore then

\bf \cfrac{3659.0909\overline{09}}{1000}\qquad \boxed{x=0.0909\overline{09}} \qquad \cfrac{3659+0.0909\overline{09}}{1000}\implies \cfrac{3659+x}{1000}

now, the idea behind the recurring part is that, we then, once we have it all to the right of the dot, we multiply it by some power of 10, so that it moves it "once" to the left of it, well, the recurring part is 09, is two digits, so let's multiply it by 100 then, 

\bf \begin{array}{llllllll}&#10;100x&=&09.0909\overline{09}\\&#10;&&9+0.0909\overline{09}\\&#10;&&9+x&#10;\end{array}\quad \implies 100x=9+x\implies 99x=9&#10;\\\\\\&#10;x=\cfrac{9}{99}\implies \boxed{x=\cfrac{1}{11}}\\\\&#10;-------------------------------\\\\&#10;\cfrac{3659.0909\overline{09}}{1000}\qquad \boxed{x=0.0909\overline{09}} \quad \cfrac{3659+0.0909\overline{09}}{1000}\implies \cfrac{3659+x}{1000}&#10;\\\\\\&#10;\cfrac{3659+\frac{1}{11}}{1000}

and you can check that in your calculator.
8 0
3 years ago
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