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statuscvo [17]
3 years ago
8

On a test, Andre gets 4 times as many answers correct as he gets wrong. Write the ratio of questions he gets correct to the tota

l number of questions.
Mathematics
2 answers:
STALIN [3.7K]3 years ago
5 0

Answer:

4:5

Step-by-step explanation:


NemiM [27]3 years ago
3 0
I think it's 1:4 since if he gets two wrong than two times four is eight .
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Elena divided a decimal by a whole number. 84.36 ÷ 12 = ? Part A: Explain each step needed to divide 84.3y by 12. Part B: What i
Iteru [2.4K]

Answer:

Part A. \frac{84.3y}{12} = 7 +\frac{0.1\cdot y}{4}

Part B. The correct quotient is (3 × 4)

Step-by-step explanation:

Part A.

To divide 84.36 by 12 we look for the Highest Common Factor of the whole number and the decimal portions of the numerator and the denominator individually as follows;

\frac{84.36}{12} = \frac{84+0.3636}{12}  =  \frac{2 \times 2 \times 3  \times 7+0.01\times 12\times 3}{12} =  \frac{12  \times 7+0.03\times 12}{12}

Therefore, dividing 84.36 by 12 gives \frac{12  \times 7+0.03\times 12}{12} = 7+0.03 = 7.03

When dividing 84.3·y by 12, therefore, we have;

\frac{12  \times 7+0.3\times y}{12} = 7 +\frac{0.1\cdot y}{4}

Part B.

The correct quotient should have factors of the numerator

Therefore the divisor 12 should be represented as follows

\frac{12  \times 7+0.3\times y}{12} =\frac{12  \times 7+0.3\times y}{3 \times 4}

The correct quotient therefore = (3 × 4)

7 0
3 years ago
Cobalt-60 is used in the treatment of cancer. A sample contains 8 grams of co-60 wbere k=0.1308
Svet_ta [14]
No idea sorry <span>Cobalt-60 is used in the treatment of cancer. A sample contains 8 grams of co-60 wbere k=0.1308</span>
5 0
3 years ago
Kendra charges $11 to shovel a driveway. She shoveled 4 driveways on
MrRissso [65]

Answer:

A and B

Step-by-step explanation:

The 11 should be multiplied after 4 + x because the (4 + x) is the total amount of driveways she shoveled. If you solve for x using A's equation, you should get 9 as your answer. Therefore, your answer choices are A and B.

8 0
3 years ago
Help me please i need help.
Alex787 [66]

Answer:

1596

Step-by-step explanation:

Do 7*12*19

5 0
3 years ago
Read 2 more answers
2. Marquan sells pretzels at Auntie Anne and earns $15 per hour,
Andre45 [30]

dollars per hour = salary

a

dollars per hours multiplied with hours worked (h) = total earnings

b

15 x 2 = 30

15 x 3 = 45

15 x 5 = 75

(h)

6 0
3 years ago
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