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Irina-Kira [14]
3 years ago
14

Need help with these

Mathematics
2 answers:
MatroZZZ [7]3 years ago
7 0

Answer:

1. E 2.C 3.A

Step-by-step explanation:

I put all of these into a graphing calculator.

lakkis [162]3 years ago
6 0
1.E 2.C 3.A those are the answers
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Which biconditional statement below is true?
Sindrei [870]

Answer:  Angles are supplementary if and only if their sum is 180° is true.

Step-by-step explanation:

Test by making both parts negative: Angles are not supplementary if and only if their sum is not 180°  This is also true.

8 0
3 years ago
The number of counties in state A and the number of counties in state B are consecutive even integers whose sum is 138 138. If s
ss7ja [257]

Answer:

The number of counties in state A are 70.

The number of counties in state B are 68.

Step-by-step explanation:

The number of counties in state A and the number of counties in state B are consecutive even integers whose sum is 138.

Let the two consecutive even integers be x and x+2.

As their sum is 138, we can denote this mathematically as :

x+x+2=138

=> 2x+2=138

=> 2x=138-2

=> 2x=136

Now, we get x = 68

And x+2=68+2 = 70

Hence, the two numbers are 68 and 70.

So, the number of counties in state A are 70.

The number of counties in state B are 68.

5 0
3 years ago
Read 2 more answers
For each expression, combine like terms and write an equivalent expression with fever terms.
ASHA 777 [7]

Answer:

1. 7x

2. 8x - 1

3. 6x + 12

4. 3x + 4

5. 13x - 7

Step-by-Step Explanation:

Hope this helps!

7 0
2 years ago
Read 2 more answers
Describe how you would find the sum of 24,36and 13
Oksi-84 [34.3K]
I would add them together to get 73

Step-wise I would add the ones column together to get 13, carry the one over then add the tens up to get 70 - your answer is 73
3 0
3 years ago
Read 2 more answers
On a test of 76 ​items, Pedro got 93​% correct.​ (There was partial credit on some​ items.) How many items did he get​ correct?
Firlakuza [10]
You would use the “is/of” method.

93 / 100 = x / 76

Cross multiply and divide:

7068 / 100 = 70.68

This means Pedro got around 70 to 71 questions correct and 5 or 6 questions incorrect.
6 0
3 years ago
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