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lakkis [162]
3 years ago
7

I have a question on math homework, anybody have an answer? 11.5-3y=-48.5

Mathematics
1 answer:
tatyana61 [14]3 years ago
5 0
Y=17.8 Please let me know if it is correct :)

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Will Give Brainliest!!!! On Time Limit Hurry Please Wrong answer will be deleted!!
LenaWriter [7]

Answer:

x = - 12, x = 2

Step-by-step explanation:

Given

x² + 10x = 24

To complete the square

add ( half the coefficient of the x- term )² to both sides

x² + 2(5)x + 25 = 24 + 25

(x + 5)² = 49 ( take the square root of both sides )

x + 5 = ±  = ± 7 ( subtract 5 from both sides )

HOPE THIS HELPS

3 0
3 years ago
Read 2 more answers
Although, Lara Croft was successful at stopping the enemy in
earnstyle [38]

Answer:

The time it takes Ms. Croft to reach the cruise ship by speedboat = 6.11 hours

The time it takes Ms. Croft to reach the cruise ship by helicopter = 6.25 hours

since it takes less time for Ms. Croft to reach the cruise ship by taking the speedboat, her best choice to retrieve the artifact is to take the speedboat.

Step-by-step explanation:

The given parameters are;

The elapsed time by which Ms. Croft missed the boat = 5 hours

The speed of the cruise ship = 528 mi/day

The speed of the speedboat = 100 miles in 2.5 hours

The speed of the helicopter = 90 mph

The time it would take Ms. Croft to arrive at the harbor = 3.5 hours

Therefore, we have;

The cruise ship's speed = 528 miles per 24 hours = 528/24 mph = 22 mph

The location of the cruise after the first 5 hours = 5 × 22 = 110 miles

The speed of the speedboat = 100 miles per 2.5 hours = 100/2.5 = 40 mph

By traveling with a speed boat

The time at which Ms. Croft will intercept the cruise ship is given by the following relation;

40 mph × t = 22 mph × t + 110 miles

Which gives;

40 mph × t - 22 mph × t = 110 miles

18 mph = 110 miles

t = 110 miles/(18 mph) = 55/9 hours ≈ 6.11 hours

By taking the helicopter, we have;

Upon arrival at the harbor, after 3.5 hours, we find

90 mph × t = 22 mph × t + 22 mph × 3.5 hours + 110 miles

90 mph × t - 22 mph × t = 22 mph × 3.5 hours + 110 miles

68 mph × t = 77 miles + 110 miles = 187 miles

t = 187 miles/(68 mph) = 11/4 hours = 2.75 hours

The total time it takes Ms. Croft to reach the cruise ship by taking the helicopter = 3.5 + 2.75 = 6.25 hours

Therefore, since it takes less time for Ms. Croft to reach the cruise ship by taking the speedboat, her best choice to retrieve the artifact is to take the speedboat.

5 0
3 years ago
A ladybugs length measures 2 cm express this measurement in meters. explain your thinking. include an Equation with an exponent
Tcecarenko [31]

Answer:

Length of lady bug in meters is:

0.02

Step-by-step explanation:

A ladybugs length measures 2 cm.

We have to express this measurement in meters.

We know that 1 m=100 cm

1 cm= 1/100 m

      =0.01 m

2 cm=2×0.01 m

      =0.02 m

Hence, Length of lady bug in meters is:

0.02

5 0
3 years ago
Read 2 more answers
What Are the partial product of 45x5=?
Serjik [45]
Ask your teacher he or she will know
5 0
3 years ago
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Sheldon is a long distance runner. He can run one mile at a constant pace of 6 4/5 minutes. If he maintains that pace, how many
Mademuasel [1]
1 mile = 6.45 minutes
? miles = 30 minutes
? miles = 30 / 6.45 = 4.65116279 (round up)
4.7 miles = 30 minutes
So roughly 4 and a half miles in 30 minutes
3 0
3 years ago
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