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3 years ago

Select the number line that shows that two opposite numbers have a sun of 0

Mathematics

2 answers:

kupik [55]3 years ago

6 0

Answer:

Line A

-3+3=0

Step-by-step explanation:

navik [9.2K]3 years ago

4 0

A is your answer hope this helps

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What are the roots of the equation? x^2−x−42=0 Enter your answers in the boxes. x = and x =

Natasha_Volkova [10]

Your roots are x=7 and x=-6

8 0

3 years ago

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Which fraction out of 5/8 and 7/11 is closest to 2/3?

Triss [41]

Well... hell, let's just convert them all with the same denominator then

hmmm let's see, we have the denominators of 8,11 and 3

so... we'll multiply the 5/8 times (11*3) or 33
and then we'll multiply 7/11 times (8*3) or 24
and then we'll multiply 2/3 times (8 * 11)

notice, we're simply using the other's denominator's product, to multiply the fractions... anyhow... let's check

$\bf \cfrac{5}{8}\cdot \cfrac{3\cdot 11}{3\cdot 11}\implies \cfrac{165}{264}
\\\\\\
\cfrac{7}{11}\cdot \cfrac{8\cdot 3}{8\cdot 3}\implies \cfrac{168}{264}
\\\\\\
\cfrac{2}{3}\cdot \cfrac{8\cdot 11}{8\cdot 11}\implies \cfrac{176}{264}\\\\
-------------------------------\\\\
\textit{now, which of }\cfrac{165}{264}\textit{ and }\cfrac{168}{264}\textit{ is closest to }\cfrac{176}{264}\quad ?$

7 0

4 years ago

If Angie spins the spinner 250 times, predict the number of times it will land on green.

Nadusha1986 [10]

Answer: 2500

Step-by-step explanation: 250 spins times the amount of greens expected equals 2500.

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3 years ago

Zacharias Dase 's calculating skills were made famous by Crelle's Journal in 1844. Dase produced a table of factors of all numbe

aev [14]

Answer:

2,650

Step-by-step explanation:

4 0

3 years ago

Jose is working two summer jobs, making $10 per hour washing cars and $9 per hour walking dogs. Last week Jose worked a total of

Setler [38]

Answer:

x+y =13

10x + 9y =122

Step-by-step explanation:

Hi, to answer this question we have to write a system of equations:

The sum of the hours he worked washing cars (x) and the hours he worked walking dogs(y) will be equal to the total hours worked (13)

x+y =13

For the second equation the product of the number of hours he worked washing cars(x) and the price per hour ($10) plus the product of the number of hours he worked walking dogs (y) and the price per hour ($9) will be equal to the total amount earned (122)-

10x + 9y =122

So, the system of equations is:

x+y =13
10x + 9y =122

Where:

x: number of hours Jose worked washing cars

y: number of hours Jose worked walking dogs

7 0

4 years ago

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