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nataly862011 [7]
3 years ago
6

WILL MARK BRAINLIEST!!!

Mathematics
1 answer:
Setler79 [48]3 years ago
6 0

Answer:

b and c

Step-by-step explanation:

B AND C

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You are searching for two integers. The sum of twice the first integer and three times the second integer is nine. At the same t
devlian [24]

Answer:  -3 and 5

<u>Step-by-step explanation:</u>

Let x represent the 1st digit and y represent the 2nd digit. Then,

Eq 1: 2x + 3y = 9   →    3(2x + 3y = 9)     →     6x + 9y = 27

Eq 2: 3x + 2y = 1   →   -2(3x + 2y = 1)     →     <u>-6x - 4y =  -2</u>

                                                                              5y = 25

                                                                                y =  5

Substitute y = 5 into either of the original equations to solve for x:

2x + 3y = 9

2x + 3(5) = 9

2x + 15 = 9

2x        = -6

 x        = -3

Check (using the other original equation):

3x + 2y = 1

3(-3) + 2(5) = 1

-9    +  10   = 1

        -1       = 1  \checkmark

4 0
3 years ago
What is the perimeter of triangle DEF
LuckyWell [14K]
Remember that A squared plus B squared equals C squared.

Since sides F_D and D_E are both 3, the answer cannot be 4.2 or 2.4.

SO basically you just add 3 + 3 = (The side F_E, which you can get by putting numbers in the formula), you should get your answer.

3² + 3² = Line EF²
9 + 9 = Line EF²
18 = Line EF²
√18

You get the idea. Hope this helps!
7 0
3 years ago
Read 2 more answers
While walking in his neighborhood, Donnie found 2 dimes and 2 pennies on the ground . What percent of a dollar did Donnie find ?
OLga [1]

Answer:

22%

Step-by-step explanation:

5 0
3 years ago
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Which of the following is a disadvantage to using graphs and diagrams? Check all that apply.                                    
forsale [732]
The first answer is C. The information may be in a form that is difficult to use. And the second on is D. They must always be used with an equation.
4 0
4 years ago
Read 2 more answers
Tyrone ordered the same meal 3 days in a row. He paid a total of $12.06 for these 3 meals. How much did Tyrone pay for each meal
Romashka-Z-Leto [24]

Answer:

$4.02

Step-by-step explanation:

since he bought the same meal for 3 days, that means he payed the same amount every day for 3 days. the total is $12.06, so if u divide the total by 3, you will get how much he payed for one meal.

8 0
3 years ago
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