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4 years ago

The area of a rectangular painting is 6177 cm.

Mathematics

1 answer:

Schach [20]4 years ago

7 0

Answer:

Area =6177

Area =length by width

6177=length by 71

Length=6177 divide by 71

Answer=81cm

Step-by-step explanation:

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3 and -3 are

suter [353]

I believe it’s A, because for C, 12 and 12 are both positive, and for d, -12 and -12 are both negative, and so since 3 and -3 are not both negative nor positives, the answer would be Absolute Values. I think. Sorry if I’m wrong. Please correct me if I’m wrong, but I hope this helped!!

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3 years ago

Joe’s age is three times Aaron’s age and Aaron is six years older than Christina. If the sum of their ages is 149, what is Chris

Leno4ka [110]

<u>Answer</u>

If Christina's age is = x

Aaron's age is = x + 6

Jeo's age = 3(x + 6 )

So, the sum of their ages can be write as,

$x + x + 6 + 3(x + 6) \\ x + x + 6 + 3x + 18 \\ 5x + 24$

Also, they have given that the sum of their ages is 149

Therefore we can write a equation as,

$5x + 24 = 149$

Now let's solve this and find the age of Christina

$5x + 24 = 149 \\ 5x = 149 - 24 \\ 5x =12 5 \\ \frac{5x}{5} = \frac{125}{5} \\ x = 25$

Aaron's age is

$x+ 6 \\ 25 + 6 \\ = 31$

Joe's age is

$3(x + 6) \\ 3(25 + 6) \\ 3 \times 31 \\ = 93$

Hope this helps you.

Let me know if you have any other questions :-):-)

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3 years ago

The lunch lady has 8 pounds of lasagna left over. If she makes 1/5-pound servings, how many servings of lasagna can she serve wi

VMariaS [17]

40 servings I think............

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3 years ago

Nikki and her family are traveling to Geneva for winter holiday, and it is going to be cold! Today’s forecast says that Geneva i

Ne4ueva [31]

Answer:

San Francisco

Step-by-step explanation:

Geneva is -3 °C. Nikki's hometown will be 12° warmer, or +9 °C. The city in the table with that temperature is San Franscisco.

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3 years ago

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Multiply (2.5x10^-10) (7x10^-6)

serious [3.7K]

We want to multiply $2.5\cdot10^{-10}$ by $7\cdot10^{-6}$ .

The numbers are written in scientific notation. So we expect the answer also to be in scientific notation.

the multiplication of the 10's, using the exponents rule is :

$10^{-10}\cdot 10^{-6}=10^{-10+(-6)}=10^{-10-6}=10^{-16}$

the multiplication of the other 2 numbers is:

$2.5\cdot7=17.5=1.75\cdot10$

(we write the number so that it has only one digit to the left of the decimal point).

Thus,

$(2.5\cdot10^{-10})\cdot(7\cdot10^{-6})=1.75\cdot10\cdot10^{-16}=1.75\cdot10^{-15}$

Answer: $1.75\cdot10^{-15}$

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4 years ago

Read 2 more answers