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Masja [62]
3 years ago
12

By rounding to 1 significant figure, estimate288.7 x 7.8

Mathematics
1 answer:
ludmilkaskok [199]3 years ago
3 0

Answer:

2251.86

Step-by-step explanation:

Use the algorithum method.  288. 7 ×7.8= 230.96+ 2020.90= 2251.86 sorry i'm trying explain but its my first time using brainly hope that helps

                                                 

                               

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On March 8, 2003, the world's largest taco was made in the city of Mexicali, Baja. The taco contained approximately 1 kg of onio
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Answer:

B. Onions: 81.3 kg; Beef: 536.3 kg

Step-by-step explanation:

6.6x = 6.6*81.26 = 536.32 kg (amount of grilled steak in the taco)

i think thats right

7 0
2 years ago
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The LCM of 4 and 7 is _____.​
alukav5142 [94]

Answer:

21

Step-by-step explanation:

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Translate the equation into a verbal sentence.<br> 4x=8x-y
LiRa [457]

Answer:

Four times a number is equal to eight times a number minus a number.

Step-by-step explanation:

5 0
3 years ago
*easy question* How many doses does a cookie cost?<br> How much does a brown?
nadya68 [22]

Answer:

A cookie costs 1 dollar. A brownie costs 2 dollars.

Step-by-step explanation:

C = Cookie B = Brownie

Your two equations:

3c + 2b =7

5c + 4b = 13

Make both equations have an equivalent section:

2(3c + 2b = 7)

6c + 4b = 14

5c + 4b = 13

c = 1

To find B's value:

3c + 2b = 7

3 x 1 + 2b = 7

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Hope this helps.

7 0
2 years ago
Question Progress
andreyandreev [35.5K]

The two numbers are 3 and 18, if the sum of two number is 21 and the second number is six times the first number.

Step-by-step explanation:

The given is,

                  The sum of two numbers is 21

                   The second number is six times the first number

Step:1

          Let, m - First number

                  n - Second number

Step:2

        From given,

                  n - 6m     ( The second number is six times the first number )

        Equation becomes,

                  Sum = m + n

        Where,

                      21 = m + ( 6m )

                       21 = 7m

                       m = 3

        Substitute m value n becomes,

                        n = 6m

                           = (6 × 3)

                      n  = 18

Result:

          The two numbers are 3 and 18, if the sum of two number is 21 and the second number is six times the first number.

                   

5 0
3 years ago
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