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3 years ago

7

tyree and freinds go to the movies each person buys a movie ticket for $7 a snack for $5 and a drink for $2 write an expression

for the trip to the movies then find the total cost

1 answer:

irina [24]3 years ago

7 0

7*5*2=70 the total cost

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Martha estimated the quotient of -71.81 and -8.02 using

steposvetlana [31]

Option 2

Martha estimated the quotient. Martha error was she should have rounded -8.02 to -8.

<u>SOLUTION: </u>

Given that, Martha estimated the quotient of -71.81 and -8.02 using rounding to the nearest whole number.

And she committed an mistake. We have to find the error made by Martha while calculating quotient.

She treated -71.81 to be 72 and -8.02 to be 9. As both the number are negative there will be no problem when we get quotient.

When treated as above she got quotient as 8.

But in general, the quotient is not 8.

If we see options, we derive an conclusion.

<u>Option (1) </u>

she should have rounded 71.81 to 70, no this is not correct as 72 is nearest whole number.

<u>Option (2)</u>

she should have rounded 8.02 to 8, yes this is correct conclusion.

<u>Option (3)</u>

she should have divided 8 by 72, no this is not correct, we should divided 72 by 8.

<u>Option (4) </u>

she didn’t make an error, this is wrong as in 2nd option we caught an error.

Hence, second option is correct.

6 0

3 years ago

Read 2 more answers

The owner of two hotels is ordering towels. He bought 15 hand towels and 43 bath towels for his hotel in Livingston, spending a

coldgirl [10]

Answer:

The cost of each Hand towels is $5 and Cost of each Bath towel is $11.

Step-by-step explanation:

Let the Cost of Each hand Towels be $'x'$ .

Let the Cost of Each Bath Towels be $'y'$ .

Now Given:

15 hand towels and 43 bath towels for his hotel in Livingston, spending a total of $548.

So we can say that;

$15x+43y=548$

$15x=548-43y\\\\x=\frac{548-43y}{15}$ ⇒ Equation 1

Also Given:

99 hand towels and 62 bath towels for his hotel in Lancaster, spending $1,177.

So we can say that;

$99x+62y =1177$ ⇒ Equation 2

Substituting the value of 'x' from equation 1 in Equation 2 we get;

$99\frac{(548-43y)}{15}+62y=1177\\\\33\frac{(548-43y)}5+62y=1177\\\\\frac{18084-1419y}5+62y=1177$

Now taking LCM to make the denominator common we get;

$\frac{18084-1419y}5+\frac{62y\times5}{5}=1177\\\\\frac{18084-1419y}5+\frac{310y}5=1177\\\\\frac{18084-1419y+310y}{5}=1177$

$18084-1109y=1177\times5\\\\18084-1109y=5885$

Combining the like terms we get;

$18084-5885=1109y\\\\12199=1109y$

Dividing both side by 1109 we get;

$\frac{12199}{1109}=\frac{1109y}{1109}\\\\y=\$11$

Substituting the value of y in equation 1 we get;

$x=\frac{548-43y}{15}=\frac{548-43\times11}{15}=\$5$

Hence The cost of each Hand towels is $5 and Cost of each Bath towel is $11.

7 0

3 years ago

What an expression for 8 times b

Katyanochek1 [597]

Answer:

8b

Step-by-step explanation:

'8 times b' symbolizes 8 being multiplied by 'b'.

Times is a word associated with multiplying.

8 times b can be 8 * b or most ideally, 8b.

Hope this helps!

3 0

3 years ago

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Activity : Tangram Activity

Karolina [17]

Answer:

1. Make a trapezium using 4, 5 and 6.

2. Do yourself with your triangles.

3. Yes.

4. No. It is much more smaller.

7 0

2 years ago

Please help me with this question!!

antoniya [11.8K]

Answer:

x=10

Step-by-step explanation:

Use pythagorean theorem, a^2+b^2=c^2

24^2 + b^2 = 26^2

576 + b = 676

676-576=100

$\sqrt{x} 100$ =10

8 0

2 years ago

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