3 years ago

Write 2 1/2 miles in 3/4 hour as a unit rate

Mathematics

1 answer:

ValentinkaMS [17]3 years ago

4 0

Answer:

3 1/3 mph

Step-by-step explanation:

2.5 ÷ 0.75 = 3.3

5/2 ÷3/4 = 5/2 · 4/3 = 20/6 or 10/3 = 3 1/3

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Is either x=9 or x=15 a solution to x-3=12?

kvasek [131]

Answer:

It's 15

c. x=15 is a solution but x=9 is not

Step-by-step explanation:

15-3=12

9-3=6

7 0

3 years ago

Evaluate the expression 15x plus 4 for x equals -1 1/2

Angelina_Jolie [31]

Answer:

- $\frac{11}{30}$

Step-by-step explanation:

15x + 4 = -1 $\frac{1}{2}$

15x = -5 $\frac{1}{2}$

x = - $\frac{11}{2}$ × $\frac{1}{15}$

x = - $\frac{11}{30}$

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3 years ago

The classroom has 10 desks with boys and<br> girls. Show one combination of boys and<br> girls

Anna35 [415]

Answer:

one combination could be 6 girls and 4 boys

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3 years ago

Use mapping notation to describe a translation up 8 units.

7nadin3 [17]

B, y goes up 8, when you add 8 to y

3 0

3 years ago

If 120 marks is 60% what is full marks

AveGali [126]

Let's say is "x", so, then "x" is the 100%, and we know that the 60% is 120, what the dickens is "x" anyway?

$\bf \begin{array}{ccll}
marks&\%\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
x&100\\
120&60
\end{array}\implies \cfrac{x}{120}=\cfrac{100}{60}\implies x=\cfrac{120\cdot 100}{60}$

3 0

3 years ago