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3 years ago

How does that equal!!???

Mathematics

1 answer:

quester [9]3 years ago

3 0

Answer:

casa. Completa las oraciones con el pronombre de objeto directo correcto, según el contexto.

1. Tu ropa está sucia. ¿Por qué no ____ lavas?

2. Ellos tienen muchos libros. ____ tienen en la estantería del despacho.

3. La casa de mi mamá tiene muchas ventanas, pero no ______ abre todos los días.

4. Profesora, Ud. debe usar la cochera. ¿ ______ve allí?

5. ¿Quieres ir al cine con nosotros? _____ llamamos antes de salir.

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A rectangle has length 72 cm and width 56 cm. The other rectangle has the same area as this one, but its width is 21 cm. What is

Ira Lisetskai [31]

The length of the rectangle is = 72 cm

The width of the rectangle is = 56 cm

Area of the rectangle is = $length*width$

= $72\times56=4032$ cm²

As given, the other rectangle has the same area as this one, but its width is 21 cm.

Let the length here be = x

$4032=x*21$

$x=\frac{4032}{21}=192$

Hence, length is 192 cm.

We can see that as width decreases, the length increases if area is constant and when length decreases then width increases if area is constant.

So, in the new rectangle,constant of variation=k is given by,

$\frac{192}{72}=\frac{8}{3}$ or $\frac{56}{21}=\frac{8}{3}$

Hence, the constant of variation is $\frac{8}{3}$

7 0

3 years ago

a primary class is going ti the zoo. the ratio of adults to children are 2:7. twenty eight childern are in this trip. how many a

gtnhenbr [62]

Firstly you do: 28 divided by 7 (amount of children in ratio) this gives you 4. Then you multiply 4 by 2 to get the amount of adults. Your answer should be 8 adults.

5 0

3 years ago

Please help me. please help

aleksklad [387]

Answer:

<h2>13 years</h2>

Step-by-step explanation:

Given, 

No. of children = 5

Ages of the children = 12, 18, 13, 16 and 6 years

Therefore, 

Average age of the children

$= \frac{sum \: of \: the \: ages \: of \: children}{no. \: of \: children}$

$= \frac{12 + 18 + 13 + 16 + 6}{5}$

$= \frac{65}{5}$

= 13 years (Ans)

3 0

3 years ago

Arianys wants to ride her bicycle 55.5 miles this week. She has already ridden 19 miles. If she rides for 5 more days, which equ

Sergeu [11.5K]

The equation that could be used to determine, m, is 5m = 55.5 - 19. The correct option is C. m = (55.5 - 19)/5

<h3>Writing equation</h3>

From the question, we are to determine the equation that could be used to determine, m, the average number of miles she would have to ride to meet her goal

From the given information,

"Arianys wants to ride her bicycle 55.5 miles"

and

"She has already ridden 19 miles"

Thus,

The number of miles she needs to ride more is

55.5 miles - 19 miles

= 36.5 miles

If m is the average number of miles she would have to ride for 5 more days to complete her goal,

Then, we can write that

m = 36.5/5

m = (55.5 - 19)/5

Hence, the equation that could be used to determine, m, is 5m = 55.5 - 19. The correct option is C. m = (55.5 - 19)/5

Learn more on Writing equation here: brainly.com/question/28351087

#SPJ1

4 0

2 years ago

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In the ocean, a whale is swimming at an elevation of −30 feet. A ray is swimming at an elevation of −12 feet. What is the differ

Elza [17]

Answer:

18 feet

Step-by-step explanation:

The difference in elevations is ...

-12 -(-30) = -12 +30 = 30 -12 = 18 . . . feet

The ray is 18 feet above the whale.

5 0

2 years ago

Read 2 more answers