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2 years ago

5

Maya scored 32 out of 40 for a Math's test and 41 out of 55 for a science's test. For which test did she score a lower percentag

e.

2 answers:

Alex777 [14]2 years ago

4 0

Answer:

He score lower on the 41 out of 55

Step-by-step explanation:

32/40 = .80 or 80%

41/55 = 0.75 or 75%

PSYCHO15rus [73]2 years ago

4 0

Answer:

Lower score in Science

Step-by-step explanation:

32/40 × 100 = 80%

41/55 × 100 = 74 6/12 %

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3/4 divides by 5

3/4 x 1/5 = 3/20 of a gallon

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2 years ago

A ramp with a constant incline is made to connect a driveway to a front door. At a point 4 feet from the driveway, the height of

Mnenie [13.5K]

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3 inches up per foot across

Step-by-step explanation:

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2 years ago

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Brock is training for a Crossfit competition. He began the training completing pull-ups and box jumps origanally, his training p

siniylev [52]

If the adjusted ratio was 2:7, then

2x is the number of pull-ups

and

7x is the number of box jumps.

You can state that since he completed 63 box jumps at the end of his training, then

7x=63,

x=9

and

2x=18.

The total number of exercises performed is 2x+9x=18+63=81.

As at start the ratio was 5:4, then

5y was the number of pull-ups

and

4y was the number of box jumps.

Therefore, 5y+4y=81,

9y=81,

y=9

and 5y=45, 4y=36.

Answer: Initially: 45 pull-ups and 36 box jumps. At the end: 18 pull-ups and 63 box jumps.

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2 years ago

A button machine produces one button in 0.15 seconds. How many buttons are produced in 48.6 seconds? 48.6 divided by 0.15 Multip

Kobotan [32]

Answer

Multiply the divisor and dividend by

✔ 100

The new division problem becomes

✔ 4,860 ÷ 15

The quotient of 48.6 ÷ 0.15 is

✔ 324

Estimating to check, you get

✔ 5,000 ÷ 15 = 333.33

<u>Divide</u>

4 0

2 years ago

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When they are both racing on hoverboards, Victoria is 3 times as fast as her brother Max. When she is on foot, she is 3 times sl

kakasveta [241]

Answer:

The time taken from start to finish is 48 minutes.

Step-by-step explanation:

Given : When they are both racing on hoverboards, Victoria is 3 times as fast as her brother Max. When she is on foot, she is 3 times slower than Max on his hoverboard. They took off on hoverboards at the same time, but after 12 minutes, Victoria’s hoverboard broke and she immediately started to run.

To find : How long, in minutes, did it last from start to finish?

Solution :

Distance = Speed × Time

Let the speed of Max = s

Time taken = t

At 12 minutes,

Distance covered by Max = $s\times12=12s$

Victoria is 3 times as fast as her brother Max.

Distance covered by Victoria = $3\times s\times12=36s$

After 12 minutes,

Victoria’s hoverboard broke and she immediately started to run.

When Victoria is on foot, she is 3 times slower than Max on his hoverboard.

Distance covered by Max = $s\times(t-12)=(t-12)s$

Distance covered by Victoria = $\frac{s}{3}\times(t-12)=\frac{(t-12)s}{3}$

Since the race was a tie, then

Total distance of Max = Total distance of Victoria

$12s+(t-12)s=36s+\frac{(t-12)s}{3}$

$s(12+(t-12))=\frac{s(96+t)}{3}$

$t=\frac{96+t}{3}$

$3t=96+t$

$2t=96$

$t=48$

The time taken from start to finish is 48 minutes.

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2 years ago

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