Joey is twenty years younger than Becky in two years time Becky will be twice as old as Joey

Mathematics

1 answer:

pickupchik [31]1 year ago

3 0

Answer:Joey is 18 hope that helped you

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-8(r-2)=40 what is the answer to this equation

Elena-2011 [213]

The answer is r=-3. You use the distributive property which is basically multiplying -8 with all the numbers inside the parenthesis. So -8 x r and -8 x -2. This results to -8r+16=40 (Two negative numbers multiplied together will form a positive number). We use inverse operations to subtract 16 from both sides. 16-16 is 0 and 40-16 is 24. So we are left with -8r=24. We want to be left with only r, so we once again use inverse operations to divide -8 from both sides. -8/-8 is 1, and 24/-8 is -3. So we end up with r=-3. Hope this helped :]

6 0

3 years ago

PLEASE HELP! I need step by step!

sergeinik [125]

Answer:

C x +2y=8

Step-by-step explanation:

x+2y=8

x-x +2y = 8 -x

2y=8 -x

2y/2= 8/2 -x/2

y= 4 -1/2x

y= -1/2x =4 is the final answer

so it would be c

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2 years ago

5 minus x less-than 2 (x minus 3) + 5 Graph A On a coordinate plane, a line goes through (0, 5) and (5, 0). Another line goes th

tatuchka [14]

, Two triangles are similar. Triangle ABC has side lengths of AB = 10, BC = 6, CA = 7. Triangle XYZ has a side length of XY = 8. Find YZ.

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3 years ago

The polynomial 3x? - 10x + 8 has a factor of 3x - 4. What is the other factor of 3x - 10x + 8?

DedPeter [7]

Answer: x-2

Step-by-step explanation:

7 0

3 years ago

Answer a, b and c. See image below

dlinn [17]

Answer:

a) 3/5 < 4/5

b) In general if two fractions have the same denominator, then whichever fraction has the numerator closer to its denominator will be the largest fraction.

c) $\frac{7}{10} > \frac{9}{15}$ or $\frac{7}{10}$

Step-by-step explanation:

a) 3/5 < 4/5

Flip the sign and the placement of the fraction so 3/5 is less then 4/5.

b) In general if two fractions have the same denominator, then whichever fraction has the numerator closer to its denominator will be the largest fraction.

c) We need to change the denominators to a common denominator to compare the size of the two fractions:

$\frac{7}{10}$ × $\frac{3}{3}$ = $\frac{21}{30}$