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olchik [2.2K]
3 years ago
15

PLZ HELP WILL GIVE BRAINLIST IF CORRECT: Mamadou answered 77 questions correctly on his multiple choice math final that had a to

tal of 140 problems. What percentage of questions did Mamadou answer correctly on the final exam?
Mathematics
2 answers:
Gnesinka [82]3 years ago
4 0

Answer:

55%

Step-by-step explanation:

alright so put that in a fraction 77/140 now divide them to get 0.55. Move that decimal over to the right twice and you get 55%.

Leno4ka [110]3 years ago
3 0

Answer:

55%

Step-by-step explanation:

77 divided by 140 is 0.55, multiply that by 100 and get 55%.

PLZZ plzz, give brainliest

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Please help!!!
Pie

Average speed = \frac{Total Distance}{Total Time}

Ishan's Speed uphill = 10mph

Time taken = 18 minutes = 18/60 = 3/10 hours

Now distance = rate × time

Distance traveled by Ishaan up hill = 10 × 3/10 = 3 miles

Now returning back home

Distance = 3 miles

Rate = 30 mph

So time taken = distance/ rate = 3/30= 1/10 hours = 1/10 ×60 = 6 minutes.

Now total distance traveled = 3 + 3 = 6 miles

Total time taken = 18 + 6 = 24 minutes = 24/60 = 2/5 hours

Average speed

= \frac{6}{0.4}

= 15 mph

Ishaan's average speed for the entire trip from home to the gift store and back is 15mph

5 0
4 years ago
−10x + 6(x − 5) = 12x − 62
tankabanditka [31]

Answer:

x=2

Step-by-step explanation:

So we have:

-10x+6(x-5)=12x-62

Distribute:

-10x+6x-30=12x-62

Combine like terms:

-4x-30=12x-62

Subtract 12x from both sides:

-16x-30=-62

Add 30 to both sides:

-16x=-32

Divide both sides by -16:

x=2

And that's our answer :)

5 0
3 years ago
Read 2 more answers
Use the circles below to find the Greatest<br>Common Factor (G.C.F.) of 72 and 64​
KengaRu [80]

Answer:

8

Step-by-step explanation:

First find all factors of 72 and 64 and put them in their respective circles

The factors of 72: 1,2,3,4,6,8,9,12,18,24,36,72

The factors of 64: 1,2,4,8,16,32,64

Now find the factors that both numbers share.

Common factors: 1,2,4,8

The greatest common factor of 72 and 64 is 8.

3 0
3 years ago
5. There are 29 students available to represent the upperclassmen at a fair.
Stels [109]

Answer:

senior and junior? that would be a perfect 100%, 29/29

Step-by-step explanation:

Unless I'm incorrect, this question states the probability of <u>BOTH</u> a senior <u>AND</u> junior being chosen, which would be 100% or again, 29/29

7 0
3 years ago
Read 2 more answers
Please help Please and thank you.
AleksandrR [38]

1. If there it is a straight line, it is linear, and if it is increasing at a constant rate of change, it is linear.
2. A company would prefer profits that show exponential growth because even though it starts out slow, it quickly gains more and greatly overcomes the sum of what linear profits would.
3. An example of exponential growth would be interested in a savings account.

4 0
3 years ago
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