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Nonamiya [84]
3 years ago
13

Which is the best estimate of the time Laura spent riding her bike on Saturday and Sunday? Look at the picture ^-^ Thank you!

Mathematics
2 answers:
anzhelika [568]3 years ago
8 0
Answer B Because the total comes out as 7  7/8
Jlenok [28]3 years ago
6 0
Answer is B- about 8 hours :)
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Roberto can lift 103.5 pounds. That is .9 times the amount his friend Vance can lift. Can Vance lift more or less than 103.5 pou
lorasvet [3.4K]

Answer:

Step-by-step explanation:

Vance can lift 0.9×103.5 pounds.

0.9 < 1, so you know that

0.9×103.5 < 103.5

8 0
3 years ago
What is the equation of the line that is perpendicular to y = -2/3x + 4 and that passes through (–2,–2)?
Rama09 [41]

Answer:  y = 3/2x + 1

Step-by-step explanation:  For a perpendicular line, take the reciprocal of  "m"  and reverse the sign.

- 2/3 becomes +3/2

Then substitute the y and x values of the given coordinate into the equation and solve for "b"

y = mx + b

-2 = 3/2(-2) + b

-2 = -3 + b

-2 +3 = b

+1 = b   Substitute for b in y = (3/2)x + 1

6 0
3 years ago
Bring the fraction a/a−4 to a denominator of 16−a^2<br><br> really do appreciate this thx
RSB [31]

Answer:

-a(a+4)/(16 - a²)

Step-by-step explanation:

            a/(a - 4)                  Multiply by (a + 4)/(a + 4)

= a(a + 4)/[(a – 4)(a + 4)]     Multiply the denominatorator terms

= a(a + 4)/(a² - 16)               Multiply by -1/(-1)

= -a(a+4)/(-a² + 16)              Reorder terms in denominator

= -a(a+4)/(16 - a²)

5 0
3 years ago
X+y=1 If x=0, then y=
Ber [7]

Answer:

1

Step-by-step explanation:

x+y=1 if x=0, then y=1

5 0
3 years ago
Find the values of a and b such that x2 - 2x + 2 = (x -a) + b LOADS OF POINTS ON THE LINE!!!
Hitman42 [59]

Answer:

Step-by-step explanation:

Factorize using square root method.

x² - 2x + 2 = (x-a)² + b

x² -2x + 1 + 1 = (x-a)²+b

(x² - 2*x*1 + 1²) + 1 = (x -a)²+ b       {Compare with a²- 2ab+b² which is (a - b)²}

(x - 1)² + 1 = (x - a)² + b

a = 1 and b = 1

6 0
3 years ago
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