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2 years ago

Write an expression that represent the sum of a number and 12

Mathematics

2 answers:

antiseptic1488 [7]2 years ago

6 0

Answer:

5+12

there is no equals sign in an expression so it is just that

Leokris [45]2 years ago

3 0

Answer

n+12

Step-by-step explanation:

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6r-2(r+8)=11 Solve equation

pav-90 [236]

$6r-2(r+8)=11\ \ \ \ |\text{use distributive property}\\\\6r-2(r)-2(8)=11\\\\6r-2r-16=11\ \ \ \ \ |+16\\\\4r=27\ \ \ \ \ |:4\\\\r=6.75$

4 0

3 years ago

Angela shared a cab with her friends. When they arrived at their destination, they evenly divided the

FrozenT [24]

Answer:

$\frac{48+5j}{j}$

Step-by-step explanation:

Complete Question:

Angela shared a cab with her friends . When they arrived at their destination, they evenly divided the $48 fare among "j" of them . Angela gave the cab $5 tip. How much did Angela pay in total?

Solution:

The fare was $48 and including Angela, there were j people, so each paid:

48/j

Also, Angela paid $5 additionally.

So, Angela paid:

48/j --- when dividing evenly

5 --- as a tip

Total Angela Paid: $=\frac{48}{j}+5\\=\frac{48+5j}{j}$

Total Payment: $\frac{48+5j}{j}$

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2 years ago

Read 2 more answers

Usama needs to read 6 novels each month.

Delicious77 [7]

Answer:

78 novels

Step-by-step explanation:

N= novels

M= month

6N = 1M

? = 13M

6N × 13M= 78NM

78NM ÷ 1M

cancel M, therefore;

the number of novels Usama needs to read in 13 months is 78.

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2 years ago

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Does addition in the whole numbers have the cancellation property.

Ivanshal [37]

Answer:

Although the cancellation law holds for addition, subtraction, multiplication and division of real and complex numbers (with the single exception of multiplication by zero and division of zero by another number), there are a number of algebraic structures where the cancellation law is not valid.

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2 years ago

A researcher plans to investigate whether a cup of hot milk at night helps people relax so that they fall asleep quickly. in thi

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C. the independent variable is the hot milk at bedtime

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2 years ago